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Users Manual - Portable Clamp On Transit Time and Doppler Flow

1. Inlet Outlet L gt 30D L gt 5D L L gt 30D E L gt 5D a j g Disturbance source reducer Inlet Outlet L gt 10D L gt 5D L gt 10D L gt 5D E A qdl Disturbance source valve Inlet Outlet L gt 40D L gt 10D gt L gt 40D L gt 10D E Es a Ki l Jl e 4 Un E AF Disturbance source pump Inlet L gt 50D tf L gt 50D a PI 4 18 Points to Avoid Try to avoid measuring locations e inthe vicinity of deformations and defects of the pipe e orin the vicinity of welding Avoid locations where deposits are building in the pipe Points to avoid For an horizontal pipe Select a location where the transducers can be mounted on the side of the pipe so that the sound waves emitted by the transducers propagate horizontally in the pipe Thus the solid particles deposited on the bottom of the pipe and the gas pockets developing at the top won t influence the propagation of the signal Correct Incorrect JE Na EN For a free inlet or outlet pipe section Select the measuring point at a location where the pipe cannot run empty Correct Disadvantageous IES cf AAA EZ A te Ooh
2. Correct Disadvantageous hk ADS ae ee E Hi For a vertical pipe Select the measuring point at a location where the liquid flows upward The pipe must be completely filled Correct Incorrect 19 Basic Measurement Once the measuring point has been selected the parameters of the pipe and of the medium can be entered They can be modified at any time later by calling the program branch PARAMETER again Input of the Pipe s Parameter The parameters of the pipe now have to be entered for every measuring point The values that can be given to the parameters of pipe and medium are limited by the characteristics of transmitter and transducers Refer to the Portalok specifications if you are 1100 0 MAXIMUM E 1100 0 MAXIMUM not sure of these limits In some instances the entered outer diameter may be too big In this case the instrument might display the maximal possible value for this parameter 1100 0 mm in the case of standard transducers and a pipe with a wall thickness of 50 mm Example The Portalok 7S only accepts the parameters if the program branch PARAMETER has been gone through completely once The pipe parameters that you will now enter can be modified at any time later by calling the program branch PARAMETER again In the main menu select the prog
3. 2YES Enter a test value in our example the current output is tested The test value should be in the selected output range Confirm by pressing ENTER The input functions correctly if the measuring instrument displays the entered value Select YES to repeat the test NO to return to the SYSTEM SETTINGS Confirm by pressing ENTER In the OUTPUT TEST scroll list select OFF to test the de energized state of the output Confirm by pressing ENTER No current should be flowing at the output now Select YES Confirm by pressing ENTER 60 In the OUTPUT TEST scroll list select ON to test the energized state of the output Confirm by pressing ENTER A current should be flowing now Select YES to repeat the test NO to return to the SYSTEM SETTINGS Confirm by pressing ENTER Defining the Error Value Delay The error value delay is the time interval after which the Portalok 7S will transmit the error value to the output in case no valid measured values are available The error value delay can be entered in the OUTPUT OPTIONS program branch if this inquiry has been previously activated in the program branch SPECIAL FUNCTION If you don t enter a specific value for the delay Portalok 7S will use the damping value In the SPECIAL FUNCTION SYSTEM SETTINGS DIALOGS MENUS program branch select the ERROR VAL DELAY option Select DAMPING if you wish the damping factor to be used as error value de
4. 219 East Main Street gc eres sana E LE Can Rent The Best USA 17055 CHE NIF i ESIEJO Toll Free 866 337 4356 Fax 717 697 2122 A product of EESIFLO Internationa 3 PORTABLE ULTRASONIC FLOWMETER EESIFLO PORTALOK 7S EESIFlo Inc 219 East Main Street Mechanicsburg PA 17055 Toll Free 866 EESIFLO Phone 717 697 8546 Fax 717 697 2122 Email SupportO EESIFlo US Table of Contents INTRODUCTION eom 1 REGARDING THIS MANUAL io dans acted oven si Por ieee stots acebanesadetotesaccusnebtedestesnccdanee acs oosesadcnonesteeestessecboncsacsocsentdcndnestesestesdeebes 1 SAFETY PRECAUTIONS tiv 4s kaa n ta kk nna aw on sa asaltos 1 WARRANTY a ii bwi cove sa dd daa 2 THE PORTALOK 7S FLOWMETER iii 3 uq m LEE PORTALOK 7S APPLICATIONS DESCRIPTION OF THE FLOWMETER Control Panel of the Portalok ZS nienie irii iiaea i insani sessi saa ELE sa daas ss sse a E ss essa sa dadas 6 THE TRANSDUCER Santinon aaa sea th kwa ek eee re Ro tari e ke a rap E PEE Das D E ER I FR ak REL Da ETE E RR EL BE TEE RR Da 7 SERIAL NUMBER bas 7 HANDLING kk sik n 8 SCOPE OF DELIVERY sehe ees Eri erect Sd ra cete dodo ied 8 IMIAINTENANGE zt DI ice 8 tas cem Hm mE 8 INSTALLATION OF EESIFLO THE PORTALOK 7S scccsssccccsssecccsseccccessccceeseccceeseccceeseccceeseseceeseseceesesececseseceeseseeeesees
5. PQ Limit R1 Output of a limit message alarm output R1 R2 Output of a limit message alarm output R2 R3 Output of a limit message alarm output R3 Impulse output without sign consideration Impulse output for positive measured values Impulse output for negative measured values Miscellaneous Soundspeed fluid Output of the sound velocity see chapter 0 Signal Output of the amplitude of the signal Output Range 12 0 MINIMAL Output Value in Case of Error If you are configurating an analogue output EESIFLO now asks you for the output range Select one of the ranges offered in the scroll list or OTHER RANGE to enter manually the output range If you have selected OTHER RANGE enter the minimal output value OUTPUT MIN and the maximum output value OUTPUT MAX Confirm each value with ENTER The entered output range should cover at least 10 of the full physical output range ly lan Z 2mA for a 20 mA current loop for example If this is not the case Portalok 7S will display the smallest maximum value OUTPUT MAX possible for the entered minimal output value OUTPUT MIN In the further dialogue you can select that value which the Portalok 7S shall output in case the assigned source item cannot be measured or located For example the Portalok 7S might not be capable to measure the flow during a certain period of time because of the presence of gas bubbles in the medium It will then output the defined er
6. Autotex is resistant acc to DIN 42 115 part 2 to acetic acid for a contact time of less than 1 hour without visible damage Autotex is not resistant to following chemicals Concentrated mineral acids Benzyl alcohol Concentrated alkaline solutions Methylene chloride 78 High pressure steam over 100 C Reference 79 Reference Table B 5 Properties of water with pressure p 1 bar and saturation Lm f e T sem e T Temperature p Pressure p Density Cp Specific heat at constant pressure 80
7. 1m e o S Iwmmd n s 9 77 Reference Sound velocity m s Kinematic viscosity Density mm s g cm Water Table B 4 Chemical resistance of Autotex keypad Autotex is resistant acc to DIN 42 115 part 2 to following chemicals for a contact time of more than 24 hours without visible modification Tin chloride suspension Ethanol Formaldehyde 37 42 Cyclohexanol Diacetone alcohol Acetaldehyde Aliphatic hydrocarbons 1 1 1 Trichlorethane Ethyl acetate Diethyl ether Glycol Toluol N butyl acetate Isopropanol Xylol Amyl acetate Glycerine Diluent white spirit Butylcellosolve Methanol Ether Triacetin Dowandol DRM PM Acetone Formic acid lt 50 Chlornatron lt 20 Methyl ethyl ketone Acetic acid lt 50 Hydrogen peroxide lt 25 Dioxan Phosphoric acid lt 30 Potash soft soap Cyclohexanone Hydrochloric acid lt 36 Detergent MIBK Nitric acid lt 10 Tensides Isophorone Trichloroacetic acid lt 50 Softener Sulphuric acid lt 10 Ammonia lt 40 Soda lye lt 40 Potassium hydroxide lt 30 Alcalicarbonate Bichromate Potassium hexacyanoferrates Acetonitrile Sodium bisulfate Drilling emulsion Plane fuel Diesel oil Gasoline Varnish Water Paraffin oil Salted water Castor oil Silicone oil Turpentine oil substitute Dccon Iron chlorides FeCl2 Iron chlorides FeCl3 Dibutyl Phthalat Dioctyl Phthalat Sodium carbonate
8. Activation of a Pulse Output A pulse output is an integrating output which emits a pulse when the medium volume or the medium mass which has passed the measuring point attains a given value PULSE VALUE The integrated quantity is the selected quantity of measurement Integration is restarted when a pulse is emitted The display PULSE OUTPUT only appears in the program branch OUTPUT OPTIONS if a pulse output has been installed gt OPT lt sf Output Options vre lt II Output COUNTING In the main menu select the program branch OUTPUT OPTIONS Select YES in the display of the output to be activated Confirm by pressing ENTER If the flow velocity is selected as the quantity of measurement an error message is displayed The use of the pulse output is not possible because it is technical nonsense to totalize the flow velocity Enter the PULSE VALUE EESIFLO automatically displays the unit of the actual measuring quantity When the totalized measuring quantity reaches the pulse value a pulse will be emitted Enter the PULSE WIDTH Values between 80 and 1000 milliseconds are accepted The range of possible pulse widths depends on the specifications of the instrument e g counter totalizer PLC which will be connected with the pulse output 62 The Portalok 7S then displays the maximum possible flow in the pipe that the pulse output can work with This value is calculated from the data given for pulse
9. G Aaa Fed ARE o hne Ro kan PAK kode SBA SAA CAP e os rn Fees 55 PROCESS OUTPUTS oe M 57 INSTALLATION OF A PROCESS OUTPUT 1 5 55225 orn erae see pale a epe Re Era ee ro eee kann Eee e rk eL ERE EE o ddr e n aa FEET REN Re Se FEX ene Ben kaka dare 57 Qutput Range desees Ai es ee dolar verae A o ie dee eda eae ed eve 58 Output Value In Case OF Errore i ai V S ee ten tae E P a e Roe xe een A Ree eae ase edv FOT Pene e ERU ea d 58 FUNCTION Check A i A ERE YO SU GENERADA QR ABI RI EE 60 DEFINING THE ERROR VALUE DELAY e ni aso s c von recte oce eee kn kas boo ndeok bk nia ese dee ad er unb bineda ok aos tetro sen eon aa toe donan aee a desa nas nek 61 ACTIVATION OF AN ANALOGUE OUTPUT doesnt et ED kok aks ke sa eR E esee ve eR ep er RU SEAT en ads 61 Scale Values for the Analogue Outputs u ccecsesssccsccscessensecesecscessessaascesecseessasecesecssessasesesecsseessasesesecseseeaseassesses 61 ACTIVATION OF APULSE OUTPUT 3 2 32 3 poeti He p ede ano wan done vol Las FERNER A ene PEN UNE ar ee iia ACTIVATION OF AN ALARM OUTPUT eene Setting the Alarm Properties Setting the Limit Values Defining theHysteresis uu as ky bas ise asa de a eg vas si eee nen OPERATION OF THE ALARM OUTPUTS Apparent Delays when Alarm Outputs switch cccsccccccccessessssceseceseessnsscesecssesseasesesecsesesaseassecsceesessasssessesenesaaaess 65 Re
10. because the process outputs are not active during the measurement of the sound velocity and there are thus no more settings to be made For all quantities of measurement other than SOUND Volume in VELOCITY a scroll list of the available measurement units is displayed The previously selected unit is shown on the second line Select the unit of measurement in which you want to have the chosen physical quantity displayed and output m3 h Confirm by pressing ENTER You can now return to the main menu by pressing BRK The next displays of the program branch OUTPUT OPTIONS are for the activation of the output options Configuration of the Display The Portalok 7S gives the option of displaying two of the measured values one on each line of the display and of configuring the display readings according to your requirements You can change the displayed values independently and without interfering with the ongoing measurement The changes have no influence on the totalizers the storage of measured values the operation of the process interfaces etc Following information can be displayed on the first line of the display e Designation of the quantity of measurement actually being measured and recorded e Totalizer values if activated e the date and time at which the memory will be full e the measuring mode e the transducer distance e the calculation function if activated e the time remaining until the automatic stop of a prog
11. viscosity as well as other parameters for the profile correction Enter the kinematic viscosity of the medium Values between 0 01 and 30 000 00 mm s are accepted Confirm by pressing ENTER Density EESIFLO now asks for the density of the medium This value is needed for calculating the mass flow rate volume flow rate multiplied with the entered density Enter the density of the medium Values between 0 10 g cm and 20 00 g cm are accepted Confirm by pressing ENTER Medium Temperature EESIFLO needs the medium temperature for the calculation of the distance between the transducers distance suggested at the beginning of measurement and for correcting the sound velocity and the viscosity which both depend on temperature 23 Enter the medium temperature The value must be within the operating range of the transducer The default value is 20 C Confirm by pressing ENTER The range of possible medium temperature depends on the operating range of the selected transducers Other Parameters Transducer Parameters The following display will appear at the end of parameter input Select STANDARD to work with standard transducer which is TransducerType 9 part of the Portalok 7S standard offering or enter ki parameters or SPECIAL VERSION to edit the transducer parameters manufacturer s data must be available Confirm by pressing ENTER Attention EESIFLO cannot guarantee the precision o
12. 30 C and 100 C but for short periods they can measure on pipes up to 130 C Measurement can be made on all commonly used pipe materials such as steel synthetic material glass or copper Recommended pipe diameters may range from 1 inch 25mm up to 40 inches 1000 mm with the standard transducer type you have purchased The two clamp on transducers allow for non invasive measurement that does not affect the pipework or the liquid to be measured They are small lightweight and easy to install PORTALOK 7S is a measuring instrument for portable measurements The unit operates with an external power supply 100 240 VAC or internal batteries The Portalok 7S is a waterproof flow meter and has a protection degree IP68 when its cover is closed and is therefore suitable for monitoring tasks under difficult environmental conditions Portalok 7S has a backlit display shows input data and measurements results as well as operational errors The menus guide the user through the parameter setup and the measurement An internal data bank contains the properties of many current materials and media It is possible to select which of those materials and media will be offered in the selection lists of the program branches and the order in which they will appear Measuring Principle EESIFLO uses ultrasonic signals for the measurement of liquid flow employing the so called transit time method Ultrasonic signals are emitted by a first transducer installed on o
13. 9 LOCATION ER P HOOKING UP Connection of the Transducers Connection of the Process Outputs ere nas san ase A pas VERS bess sasaledsheasesnvnasheasdedsbuannncdaces PR kase Read 10 GETTING STARTED INSTRUMENT START UP ccssscccssssecccsssecccscsecccscsecccesecececsecececsececacsecececsesececsceeeecseseseeesess 12 THE dade iM 12 RESI 13 The Main Menu 3 ditate kd asa said ne ande A A dd a gi ead 13 The ProQGram Branches e i eda dak sca pos cere TRAIN dede ad TREE A Aa Vade ba ARA A TERT dde 13 COMMAND EXECUTION DURING MEASUREMENT L kt tt ta aaa aa aaa aa aaa aaa aaa aaa aaa aa aaa a aaa a a a aaa nono e sete sese sessi nono sese sesta sese sehn n 14 FOTO DE n dritter ka de A shed An Palem kwak ka DA Pa e kenken INTERRUPTION OF POWER UNDISTURBED FLOW PROFILE rscees ofaazasconends neosnrecconcncssnaondcteanscesvesdsbestadscadavedbenestensccdssabacbedt sdotacnsnuscneatensecessunssneacadecseesene 16 POINTS TO AVOID ised ceca cadet ios coed gon fees pa ek ales 19 LnWletmwuidti 20 INPUT OF THE PIPE S PARAMETER a sekwe veso erroe eren ee ana donan vodoo n aka kon ee e EO Ye konben nada ee o een a eee Sao Ya ske cae ee aee e e ede 20 Pipe Outer Diameter CircUmferENCE 0vrrrrrvereeoooonnorenoooonnosenoooseoooenoooouoooenoooscoooenoooseoooenoooscoooenooessooeenooossoooenoaoon 20 Wall Thickness
14. Protect the instrument from excessive shock e Keep the transducers clean e Donot drop transducers from heights e The protective degree IP68 of Portalok 7S is given only if the lid is closed e Connect the flowmeter correctly to the power supply if not using battery power e Make sure to work under correct ambient conditions see specifications Take the degree of protection into account Maintenance No maintenance work is necessary Always respect the handling precautions and the instructions given in this manual If the Portalok 7S is installed correctly in an appropriate location and as recommended used cautiously and taken care of conscientiously no troubles should appear Cleaning Clean the instrument with a soft cloth Do not use detergents Remove traces of acoustic coupling compound from the transducers with a paper tissue Installation of EESIFLO the Portalok 7S Location For the first step select the measuring point according to the recommendations given in this manual making sure that the temperature at the selected location is within the operating temperature range of the transducers Select afterward the location of the instrument within cable reach of the measuring point Make sure that the temperature at the selected location is within the operating temperature range of the transmitter Hooking up Connection of the Transducers Connection of the power supply and Battery Charging 110 VAC or 220 VAC Do n
15. are available If you select DAMPING Portalok 7S uses the value of the damping as error value delay damping gt EDIT lt ON activates the display of the alarms state during measurement Note EESIFLO stores all changes now at the end of the configuration dialogue 49 Measurement Settings In the program branch SPECIAL FUNCTION select the SYSTEM s SYSTEM SETTINGS then the MEASURING option Measuring Portalok 7S stores the MEASURING settings at the end of the dialogue If you leave the program branch before the end of the dialogue your settings won t be effective Select OFF and confirm by pressing ENTER Select NORMAL to always have the profile corrected flow values displayed and output UNCORR to obtain flow values without flow profile correction for output and data storage This setting is cold start resistant Confirm by pressing ENTER You can define here a lower limit for the flow velocity You can enter here an upper limit for the flow velocity Values between 0 1 and 25 5 m s are accepted Entering 0 switches off the flow velocity control Select here the overflow option of the totalizers wrapping gt ON lt In the QUANTITY RECALL display select ON if you wish that the previous numerical values of the totalizers are kept after restart of the measurement Select OFF if you wish the totalizers to be reset to zero after restart of the measurement Note Portalok 7S stores all changes
16. are greater than the velocity limit and are thus invalid The velocity limit should be adapted to the measuring situation or the velocity check should be deactivated velocity limit 0 If no exclamation mark measuring point is displayed Measurement is fundamentally impossible at the selected Loss of Signal during Measurement Did the pipe run empty and then filled up again In this case consult EESIFLO Wait a little while until the acoustic contact is established again There might be a temporary higher pro portion of gaseous or solid particles in the flowing medium If measurement does not resume proceed as described in a Measuring values substantially differ from the expected values Wrong measuring values are often caused by false parameters Make sure the parameters entered are correct for the point at which you are measuring Correct Selection of the Measuring Point Make sure that the recommended straight pipe run to any disturbance source is respected When measuring on horizontal pipes the transducers should be mounted on the side of the pipes Avoid locations where deposits are building in the pipe The pipe should always be filled at the measuring point and the liquid must flow upward No bubbles should accumulate even bubble free liquids can form gas pockets at places where the liquid expands e g especially behind pumps and where the cross sectional area of the pipe extends considerably Avoid measuring po
17. battery buffered clock During measurement the data are automatically stamped with date and time Setting the Time In the program branch SPECIAL FUNCTION select the SYSTEM SETTINGS option Confirm by pressing ENTER The actual time is displayed Select OK to confirm or NEW to 11 00 set the time gt NEW Confirm by pressing ENTER Use key to select the digit to be edited See section O for more information on the numeric input mode Use keys and to edit the selected digit Confirm your setting by pressing ENTER The next display shows the newly set time Select OK to TIME 11 1 confirm or NEW to set the time again 2OR ew Confirm by pressing ENTER After the time has been set the DATE display will appear Select OK to confirm or NEW to set the date 2NEW Confirm by pressing ENTER Please note date is Day Month Year d Use key ka to select the digit to be edited See section O for more information on the numeric input mode Use keys and to edit the selected digit Confirm your setting by pressing ENTER The next display shows the newly set date and asks for confirmation Select OK to confirm or NEW to set the date again Confirm by pressing ENTER 47 Settings for the Dialogues and Menus In the program branch SPECIAL FUNCTION select the SYSTEM SETTINGS then the DIALOGS MENUS option Dialogs Menus The Portalok 7S stores the DIALOG MENUS settings at the end of the dialogue If you leave
18. displayed 15 Selection of the Measuring Point The correct selection of the measuring point is crucial for achieving reliable measurements and a high accuracy Basically measurement must take place on a pipe e in which sound can propagate and in which a fully developed rotationally symmetrical flow profile is observed The correct positioning of the transducers is an essential condition for error free measurement It guarantees that the sound signal will be received under optimal conditions and evaluated correctly Because of the variety of applications and the different factors influencing measurement there can be no standard solution for the positioning of the transducers The correct position of the transducers will be influenced by the following factors e the diameter material lining wall thickness and form of the pipe e the medium flowing in the pipe e the presence of gas bubbles in the medium Make sure that the temperature at the selected location is within the operating temperature range of the transducers Select afterward the location of the instrument within cable reach of the measuring point Make sure that the temperature at the selected location is within the operating temperature range of the transmitter Acoustic Propagation Acoustic propagation can be assumed when pipe and medium do not attenuate the sound so strongly that the signals get completely absorbed before reaching the second transducer How strong the so
19. e LR ine te e A CUE RTM Fe Tages an PIDE Mate EESTI IDOL IDE LLL LII MIB Ie usi EE RR Pipe eo Ie C r RG IRGIRicaS SS INPUT OF THE MEDIUM S PARAMETERS Sound Velocity esses Kinematic Viscosity DONSIVY PEE Medi r Temp rature e eR NU REN nadie o a oe A RAIN rer ois e RIP OTHER PARAMETERS rs ere eoo A A cede ce e Rue L ge tues YER ede Ne ERR Re ea ve Peg ade Transdu cer Parameters iae a Lh edid diee deci este edt ec te ende eene oo koni are A de ke oed CODI len Lo a DRESSER SELECTION OF THE SOUND PATH FACTOR ciasna eren Ir e EPA ERN EP AREA EX EBENE En MR EE ESAE HEP ERR RES ana PER Ee aaa PR e e Des Bak 24 MOUNTING AND POSITIONING THE TRANSDUCERS cesses e eee aaa enne eth aoaoaooseeseseaoooooosoeoeseeooooooooeoeseooooooooeesenoaoooooooen 26 Distance between the TransduGers cie so ees Fette senatu pal ande saaa ad FAR e epa Vea Tes e Ord dra eaae RR wees besten Eel Tae eo 26 MOUNTING th Transduc rs i i o ati odas a EE ERE RERO AA AAA AAA AAA Rs Ea 26 POSItiONinQ the TranSQAUCE NS ss oi pas we bas t a A aA RA aaa BRASE dak Y Ia R BRA AA NS a PED op RAY AOU 27 STARTING THE MEASUREMENT eres ge sat kaa acid 28 RECOGNITION OF FLOW DIRECTIONS A ias 28 STOPPING THE MEASUREMENT L00eeeeeototoeeseeesttooouooeeeesteoooooeeeeeeoooonouoseeeseooooavoonoeeseooooooenoeeoeoonoooooonseoooonooonoonseoooonooanoooeoonoun 28 DISPLAYING THE MEASURED VALUEG ccssscccssssccccssse
20. materials from 5 to 3 The data sets 01 to 03 are kept The last two data sets 04 and 05 are deleted Example 2 You increase the number of user materials from 5 to 6 All 5 data sets are kept Extended Library Function The Extended Library function allows you to enter temperature or pressure dependent properties The function has to be activated in the SPECIAL FUNCTIONS program branch before defining a material or medium with such properties Table1 gives an overview of the properties that can be entered and what they are needed for Table 1 Medium and material properties that can be stored Enter only those properties which are relevant for your measuring task Example The density of a medium is unknown If the mass flow rate is not of interest you may set the density to any constant value The measurement of flow velocity and volume flow is not affected by this However the value of the mass flow rate will be wrong The dependency of certain properties on process quantities temperature pressure can be described by polynomials of grade O to 4 or by other specialized interpolation functions In most cases although constant values or a linear dependency are quite sufficient For instance if the temperature fluctuations at the measuring point are small compared with the temperature dependencies of the properties considering a linear dependency or completely neglecting the temperature dependency will not result in a considerable a
21. measuring quantities will be displayed in capital letters to indicate this If you select YES Portalok 7S uses the uncorrected flow vel ocity only if the physical quantity FLOW VELOCITY is selected in the OUTPUT OPTIONS Portalok 7S determines all other physical quantities volume flow mass flow etc with the corrected flow velocity During measurement FLOW VELOCITY will be displayed in capital letters indicating that the displayed flow velocity is uncorrected Confirm by pressing ENTER However in both cases the corrected flow velocity can still be displayed by scrolling on the second line of the display key gt The uncorrected flow velocity is preceded by J Limit Values for the Transducer Parameters It is possible to modify the value of the minimal pipe inner diameter accepted by the Portalok 7S for a certain type of transducer This setting is cold start resistant Enter HotCode 071001 Enter the minimal pipe inner diameter the Portalok 7S should accept Confirm each value by pressing ENTER Protection against Interruption The special function SET PROGRAM CODE allows the user to input a secret number that must be entered to interrupt an ongoing measurement as a protection against unwanted interruption When a program code has been entered the full code BREAK code must be entered to interrupt the measure To execute commands during a running measure you only need to enter the first 3 digits
22. medium flows against the arrow direction if the display shows a negative flow reading example 54 5 m h Stopping the Measurement You can stop the measurement at any time by pressing B Attention Be careful not to interrupt an ongoing measurement by inadvertently pressing B Displaying the Measured Values The physical quantity to be measured and used for storage and output can be set in the OUTPUT OPTIONS program branch Default display setting is that the designation of the quantity of measurement selected in the OUTPUT OPTIONS is displayed on the first line and its value on the second line It is possible to temporary adapt the display to your requirements by selecting which quantity should be shown on the first and second line of the display Selection of the Physical Quantity and of the Unit of Measurement The Portalok 7S can measure the following quantities e flow velocity e volume flow rate 28 e mass flow rate The Portalok 7S measures the flow velocity directly The volume flow is calculated by multiplying the flow velocity with the cross sectional area of the pipe the mass flow by multiplying the volume flow with the density of the medium In the main menu select the program branch OUTPUT OPTIONS jutput Options Select the desired quantity of measurement in the scroll list Confirm by pressing ENTER The selection of the physical quantity SOUND VELOCITY immediately ends the program branch OUTPUT OPTIONS
23. sound paths or if you specify an outer diameter of 0 1 mm In such a case switch the flowmeter ON again and reactivate the SuperUser mode lf necessary RESET the instrument by pressing keys BRK C and ENTER simultaneously Note Switching OFF and resetting both deactivate the SuperUser mode 53 Measuring the Sound Velocity of the Medium Options In the main menu select the program branch OUTPUT OPTIONS Select the sound velocity as quantity of measurement Confirm by pressing ENTER This selection immediately ends the program branch OUTPUT OPTIONS since the sound velocity measurement is not transmitted to the outputs To start the measurement select the program branch MEASURING Distan mm Reflecti MOVE TRANSDUCER Enter an estimated value for the sound velocity of the medium Values between 800 and 3500 m s are accepted Confirm by pressing ENTER Select YES to measure in reflection mode NO to measure in diagonal mode Generally the correct positioning of the transducers in reflection mode is easier than in diagonal mode Mount the transducers on the pipe taking into account the suggested transducer distance Confirm by pressing ENTER EESIFLO calculates the suggested transducer distance on the base of the estimated value of the sound velocity and the actual parameters The amplitude of the received signal is displayed as a bar graph Move the transducers in direction of another until the
24. the program branch before the end of the dialogue your settings won t be effective Input of the Pipe Circumference ON enables you to enter the pipe circumference instead of the pipe diameter in the program branch PARAMETER This setting is cold start resistant Confirm by pressing ENTER When the PIPE CIRCUMFERENCE option is ON Portalok 7S Outer Diameter will still first ask for the outer diameter in the program 30 branch PARAMETER However you can switch to the a up CIRCUMFERENCE display by entering O zero and pressing ENTER The value displayed in the CIRCUMFERENCE display is Circumfer calculated using the last displayed value of the outer 314 2 mm diameter For example 100 mm x 1 314 2 mm You can now enter the circumference of the pipe The parameter limits for the circumference are calculated using the limits for the outer diameter During the next scroll through the program branch PARAMETER the outer diameter corresponding to the entered circumference will be displayed For example 180 mm 3 142 57 3 mm The edition of the circumference is of a temporary nature When the unit switches back to the display of the pipe circumference internal re calculation slight rounding errors may occur Example Entered circumference 100 mm displayed outer diameter 31 8 mm When the unit switches back to the circumference internally a value of 99 9 mm will be displayed Input of the Fluid Pr
25. when extremely small changes of the measured value take place smaller than the equivalent of two decimal places behind the comma In these cases remember that the accuracy of the output switching is higher than the accuracy of the display Reset and Initialization of the Alarms e After a coldstart all alarm outputs will be initialized They will then be in the following state 65 State of the output after initialization FUNC OFF TYPE NON HOLD MODE NO CONT LIMIT 0 00 e During measurement pressing key C three times will switch all alarms to their idle state However all alarms which switching condition is still met will switch back into their active state after 1 second Use this function to reset an alarm of type HOLD when the switching condition is not met anymore e Pressing B stops measurement and brings you back to the main menu All alarms are switched to their de energized state independently of their programmed idle state Alarm Outputs in the Parameter Record The configuration of the alarm outputs will be stored with the current parameter record program branch SPECIAL FUNCTION Thus the configuration of the alarm outputs will also be loaded when a stored parameter record is loaded Alarm Outputs during Transducer Positioning When the positioning of the transducers begins bar graph display all alarms outputs switch to their programmed idle state If you return to the bar graph di
26. you will be possess a special output cable with 6 flying leads Each lead has been numbered Please refer to the table for information for wiring purposes Labels for the connection of the process outputs Binary output B1 Binary output B2 Current loop I1 If you have purchased an optional output cable please refer to the labels attached to the actual cables for identification 10 Circuits of the process outputs OUTPUT EESIFLO CIRCUIT AAA Current loop active Rioap lt 500 Q Binary output Un 5 to 24 V Open Collector Re kQ Un Ic mA Ic 1 to 4 mA Binary output Umax 24 V Reed Contact Relay Imax 150 mA 11 Getting Started Instrument Start Up the serial number of the instrument for a second or two case the measurement screen will appear The Keyboard The operator interface of the Portalok 7S consists of 6 keys including power switch Ss O DODD Keyboard of EESIFLO 4000 Key operations General functions Power and the backlight are controlled by the power button To switch the instrument ON briefly press the PWR button To switch the backlight on and off press the PWR button briefly To switch the instrument OFF press the PWR button for at least 3 seconds Confirm selection or entered value BITER Cancel selection or edition and return to the main menu RESET Press these keys simultaneously to recover from an erro
27. BREAK CODE first The Damping Factor Each measured value displayed by the instrument is actually the average of the measured values of the last x seconds where x is the damping factor A damping factor of 1 s means that the measured values are not averaged since the measuring rate is of approx 1 value per second The default value is 10 s This is appropriate for normal flow conditions Strongly fluctuating readings caused by high flow dynamics require a larger damping factor Select the OUTPUT OPTIONS program branch Work yourself through the scroll list confirming the already selected options by pressing ENTER until you reach the DAMPING option 31 Enter the damping factor Values between 1s and 100 s are accepted Confirm by pressing ENTER You can now return to the main menu by pressing BRK Flow Totalizers The Portalok 7S totalizes the volume or the mass of medium passing through the pipe at the measuring point e There are two built in flow totalizers one for totalizing in positive flow direction the other for totalizing in negative flow direction e The unit of measurement used for totalization corresponds to the volume or mass unit used in the quantity of measurement see section 0 e Every numerical value of the totalizer consists of up to 11 characters with a maximum of 3 figures to the right of the decimal point To reach the display of the totalizers scroll on the upper display line using key
28. CODE display SPECIAL FUNCTION SET PROGRAM CODE Confirm with ENTER If you enter less than six times the Portalok 7S reads your entry as a new program code 36 Libraries The internal data bank of the instrument contains the properties of more than 20 different materials pipe material lining and more than 40 different media It is possible to select the materials and fluids displayed in the selection lists of the program branch PARAMETER pipe material lining and medium You can thus adapt the list to your specific measuring tasks and the shorter selection lists make your work more efficient Integrated coefficient storage user area allows you to define new materials and media If necessary the properties of these new materials and media can be defined as temperature dependent or pressure depen dent polynomials The coefficient storage can be partitioned as you like Editing the Selection Lists The procedures for the edition of the material and of the media selection list are the same We describe here the edition of the material selection list User materials and media are always displayed in the selection lists of the program branch PARAMETER In the program branch SPECIAL FUNCTION select the option SYSTEM SETTINGS and press ENTER In the SYSTEM SETTINGS scroll list select the option LIBRARIES and press ENTER Select MATERIAL LIST to edit the material selection list or MEDIUM LIST to edit the medium sele
29. FUNCTION Y SYSTEM SETTINGS V MEASURING This setting is cold start resistant Select the QUANT WRAPPING option Quant wrapping Select ON to work with overflow OFF to work without off gt ON lt overflow The output of sum of both totalizers the throughput 2Q via a process output will not be valid after the first overflow wrapping of one of the respective totalizers To signalize the overflow of a totalizer activate an alarm output with the switching condition QUANTITY and the type HOLD Upper Limit for Flow Velocities A single outlier caused by heavily disturbed surroundings can appear in flow measured values Such a measured value will when not ignored affect all derived quantities which will then be unsuitable for integration pulse outputs e g It is possible for the instrument to ignore all measured flow velocities bigger than a preset upper limit and mark them as outlier invalid measured value This upper limit for the flow velocity can be set in the program branch SPECIAL FUNCTION Y SYSTEM SETTINGS MEASURING This setting is cold start resistant In the program branch SPECIAL FUNCTION SYSTEM SETTINGS MEASURING select the VELOCITY LIMIT option Enter the upper velocity limit Values between 0 1 and 25 5 m s are accepted Entering 0 switches off the test for outliers Confirm by pressing ENTER When the test is activated velocity limit gt 0 0 m s every measured flow velocity will b
30. NTER Lining no The Portalok 7S sometimes requests a horizontal selection between different menus on the upper line of the display The selected menu is displayed in capital letters and between arrows The actually selected options of the menus are displayed on the second line Use key Z to select one of the menus Use the arrow key to scroll through the selected menu You can return to the main menu at any time by pressing key a In this manual all program entries and keys will appear in capital letters Program entries are in typewriter characters PARAMETER Submenus are separated from the main menu entry by a backslash Command Execution during Measurement Commands that can be executed during measurement are shown on the upper line of the display A command line always begins with a gt Scroll on the upper line of the display with key je until the needed command is displayed Confirm your selection with ENTER Depending on the instrument s settings an authorization code might have to be entered an example being the user requires using the instrument outside of its recommended measurement range A list of the commands available during measurement is given in the HOT CODE section HotCodes A HotCode is a specific key sequence which has to be entered to activate some settings The Portalok 7S is a very powerful instrument but certain aspects of its capabilities are purposely locked to avoid misapplication in the f
31. Portalok asks for confirmation Select EDIT to edit the properties of the medium DELETE to delete the already defined properties and return to the EDIT MEDIUM scroll list Enter the medium designation Press ENTER to confirm when finished You will now be requested to enter the longitudinal sound velocity in m s the kinematic viscosity in mm s and the density in g mm of the medium Depending on the selected dependence of the medium properties on the process quantities you will have to enter one to five coefficients for each medium property Confirm each value by pressing ENTER If you are editing an already defined medium EESIFLO will ask you for each property if it should be edited Select YES or NO and confirm by pressing ENTER then edit the coefficients Select YES to save the entered properties NO to leave without saving Confirm by pressing ENTER Deleting a User Material or User Medium To delete a user material or medium proceed as follows Install Material edit gt DELETE lt USER MATERIA 1 Polystyre In the program branch SPECIAL FUNCTION select INSTALL MATERIAL or INSTALL MEDIUM and press ENTER Select DELETE and confirm by pressing ENTER Select the user material or medium to be deleted Confirm by pressing ENTER The Portalok 7S asks for confirmation Select YES or NO Confirm your selection by pressing ENTER 46 Settings Setting the Internal Clock The Portalok 7S features a
32. The sign is taken into consideration High Limit Example High limit 10 0 m h The limit will be exceeded by a measured value of 9 9 m h or 2 5 m h The alarm won t switch if for instance the measured value amounts The alarm output switches when the to 11 0 m3 h measured value exceeds the programmed limit Comparison measured value gt limit The sign is taken into consideration Example Low limit 10 0 m h The limit will be exceeded by a measured value of 11 0 m h or 22 5m h The alarm won t switch if for instance the measured value The alarm output switches when the amounts to 9 9 m h measured X value falls below the Comparison measured value lt limit programmed limit 64 QUANTITY Portalok 7S has a totalizer for each flow direction positive and negative If you enter a positive limit the comparison will be made with the totalizer value for positive flow direction If you enter a negative limit the Comparison totalizer value gt limit comparison will be made with the totalizer value The alarm output switches when the for negative OW diesen totalalizer reaches the programmed limit The comparison will also be made if the totalizer of the other flow direction has been selected for displaying During measurement the limit values will always be interpreted in terms of the unit of measurement that was selected at the time the quantity limit was set The limit value st
33. W SIGN two cut off values must be entered Enter here the cut off flow for positive measured values When a positive value falls below this threshold the flow velocity is set to 0 cm s All derived values are equally set to zero Enter here the cut off flow for negative measured values When a negative value rises above this threshold the flow velocity is set to O cm s All derived values are equally set to zero The limit comparison will be performed using the absolute numerical value of the measured flow velocity Uncorrected Flow Velocity For special applications the knowledge of the uncorrected flow velocity might be of interest In the program branch SPECIAL FUNCTIONS SYSTEM SETTINGS MEASURING you may enable or disable the flow profile correction for the flow velocity This setting is coldstart resistant In the FLOW VELOCITY display select NORMAL to have the Flow Veloci profile corrected flow velocity displayed and output Select gt NORMAL lt uncorr UNCORR to enable the display of flow velocities without flow profile correction Confirm by pressing ENTER From now on when the program branch MEASURING is PROFILE CORR selected the Portalok will ask explicitly whether to use the profile correction or not 34 If you select NO the profile correction will be completely FLOW VELOCITY disabled All measuring quantities will be calculated with the y uncorrected flow velocity The designations of the
34. al roughness values of pipes Confirm by pressing ENTER Enter the minimum value of the sound velocity in m s for the medium you want to measure Values between 800 0 and 3500 m s are accepted Confirm by pressing ENTER Enter the maximum value of the sound velocity in m s for the medium you want to measure Values between 800 and 3500 m s are accepted Confirm by pressing ENTER Enter the kinematic viscosity of the medium Values between 0 01 and 30 000 00 mm s are accepted Confirm by pressing ENTER 43 Enter the density of the medium Confirm by pressing ENTER Input of Material Properties with the Extended Library Function Make sure the Extended Library function is activated In the program branch SPECIAL FUNCTIONS select INSTALL Special Funct gt MATERIAL and press ENTER Install An error message appears in case you did not reserve data USER Material sets for user materials when formatting the user area In this IAM TARMATMET case partition the user area according to your needs FORMATTED MS Select the wished dependence of the properties on the Edit Material temperature or pressure Y const Select Y const to enter the properties as constants Basics Y m X n Select Y m X n to enter the properties as linear functions of the temperature Basics Y Polynom Select Y Polynom to enter the properties as polynomials y k k x k x k xX tk xt Basics Y f x z Select Y
35. ar graph of the signal amplitude S the bar graph of the quality of the signal Q and the display of the transit time in microseconds It is important for the flow measurement that the signal maximum with the shortest transducer distance shortest transit time is used However this signal maximum should not deviate from the suggested distance by more than 0 5 cm In case of bigger deviations check if the entered parameter inputs are correct or repeat measurement at a different location on the pipe 27 After the precise positioning of the transducers the suggested transducer distance is displayed again Enter the actual precise transducer distance and press ENTER or just confirm the displayed value by pressing ENTER Starting the Measurement When the precise transducer distance has been entered the measurement will be automatically activated You may have to wait a few seconds after pressing the last enter before the unit will display the flow readings You can press ENTER to return to the bar graph display The results are displayed and output according to the actually selected output options Recognition of Flow Direction The direction of flow in the pipe can be recognized with the help of the displayed Volume Flow in conjunction with the arrow formed by the engravings on the transducers The medium flows in direction of the arrow if the display shows a positive flow reading example 54 5 m h The
36. ays the same even if the quantity and or unit of measurement is changed If you change the unit of measurement also change the quantity limit Example You have entered a limit value of 60 0 m3 h and then changed the unit of measurement to m min You should also change the quantity limit from 60 0 m h to 1 0 m3 min Defining the Hysteresis It is now possible to define a hysteresis for the alarm This function is useful to avoid a constant triggering of the alarm by measuring values fluctuating around the limit The hysteresis is a symmetrical range around the limit in which fluctuation is permitted The alarm will be activated when the measuring values reach the upper limit of this range and deactivated when the measuring values fall below the lower limit Example For an hysteresis of 1 m s and a limit of 30 m s the alarm will be activated at 30 5 m s and deactivated at 29 5 m s Small fluctuations around 30 m s won t have any effect on the alarm Enter the desired value or enter 0 zero if you don t wish to work with an hysteresis Confirm by pressing ENTER Operation of the Alarm Outputs Apparent Delays when Alarm Outputs switch The Portalok 7S rounds the measured value and totalizer value with a precision of two decimal places behind the decimal separator before they are displayed However the Portalok 7S compares the limits with the non rounded values This might cause an apparent output switching delay especially
37. bar graph starts to get smaller One should try to obtain the maximal signal amplitude at the shortest transducer distance possible Press ENTER to conclude the positioning of the transducers Attention Do not move the transducers any more Measure and enter the current precise transducer distance In this example 25 5 mm is the current precise transducer distance Confirm by pressing ENTER Following error messages might appear at this point 54 In both cases the entered estimated value for the sound velocity differs too much from the real sound velocity of the medium The transducers were positioned to a parasitic signal or an echo As soon as you have entered an estimated value compatible with the real sound velocity of the medium the measurement starts Displayed Information Press keys ka and to obtain further information in the upper or lower line of the display Current transducer distance L Distance entered during the last positioning of the transducers The sound velocity is calculated using this value Better distance L Transducer distance derived from the measured sound velocity This allows you to detect wrong positioning Still do not change the transducer distance at this point Signal transit time t The signal transit time in the medium can be displayed on the upper line Conclude the ongoing measurement by pressing ENTER The positioning of the transducers can b
38. caconanoconnnonanoronnnnonnoonnnonon tn setas entes eaa einn Deleting all Materials Media from the Current LIS eevrrerereeoeroseooeeoooonoooenoooosoooonooosooooenoooouoooenoosonooeonoasenoooonooon Adding all Materials Media to the Current List c ccscccessseessscessseessecessseessecessseessecessseessscessssesseesssssesseensssecsaeenssese DEFINING NEW MATERIALS AND MEDIA 5 2 s s kass kos aksan kison thee n no ie dedan A dd aae nb e o Rn ako eder tna ee axi deae ed see e aa eee de ri enano Partitioning the ser Ar g onte e ees aeta ees dae ated a reae pea ede ka da Edu nen ka Nee Hose ts Extended Library Function Input of Material Media Properties without the Extended Library Function Input of Material Properties with the Extended Library Function eese esses ener nnne naa Input of Medium Properties with the Extended Library Function eese seien enne nnnn nnne nene naa Deleting a User Material or User Medium isissesssssssseesee esee enhn nnne nth anas sss ea sa rh assa sess essa aa asas as sse i SETTINGS 55 00 12056900 1300s eo 099 Co 0000 00e Deo se tsio o Ces eco se co oS OO e Cen ose coo Do ccs e Deos co L eco o se co DE Do Us oce oes QU DVD e PW Dra 47 SETTINGAHEINTERNAB CLOCK Ye e tea tet kat intet er RE REISEN RR EE k k RENI URN NERIS TCR ao a e GA pp kan REEL ERAS REIR ERR EN Ne RII ee E SEINS Setting the Time uias o di o EE e tan aiti ui eod eae uiui c Setting th
39. cccscsecccsssecccessecccessecccecsecceecsesccecscsccessesccessssceesessceecseeeoees 28 SELECTION OF THE PHYSICAL QUANTITY AND OF THE UNIT OF MEASUREMENT CONFIGURATION OF THE DISPLAY TRANSDUCER DISTANCE ta neers ADVANCED MEASURING FUNCTION SG cccccsssssssssssssssssssssssssssssssssssssssssssssssssssssssessssssssssessssssesssssssssssssssseees 31 COMMAND EXECUTION DURING MEASUREMENT scceceeeceeseneececececeeseuececececeeseaucaeceeecesneaucaecececeseesaeaeeecesesteaeaeeeeeeeeneaiea THE DAMPING FACTORS A Merge a dee ae Wee veers aan Hoos FLOW TOTALIZERS tt kita ente bi tea be pe ae So ke tk k pak E roda e reduce dea Quantity Reca ene senat ete de A e T RAT kd kan eap ete eu ena vatur da dine AE adi Ovetflow of the Totalizers 3343 silon 5 A ai tei ven dada eh rende bet tke den kd edi den CAS a kd de did UPPERIIMITEORELOWVELOCITIES ceca tradicion EUER tre pe Redde CUT OFFF LOW ERE UNCORREGTED FLOW MEL OCT Ye kt eerie bar eroe SERERE ok cpa e ia o aser e pays a tane LIMIT VALUES FOR THE TRANSDUCER PARAMETERS PROTECTION AGAINST INTERRUPTION eene Interruption of Measurement Deactivating a Program Code LIBRARIES A OO 37 Displaying a Selection Listin teer e de de de DEZ on kes e P ene idad aa Adding a Material Medium to the Current LiSt c cccscccessssessscessseessecesseessecessssensecessssessecesessesseessssessecessseesaeensuess Deleting a Material Medium from the Current List ooooccnoccno
40. ction list Select GO BACK to return to the SYSTEM SETTINGS Confirm you selection by pressing ENTER Select FACTORY if all materials media of the internal data bank should appear in the selection lists An already existing selection list will not be deleted but only deactivated Select USER to activate the user defined selection list Confirm by pressing ENTER If USER has been selected you now have the possibility to edit the selection list The options of the scroll list are described later After edition select END OF EDIT and press ENTER Material list gt End of Edit 37 Select YES to save all changes made in the selection list or NO to leave the edition menu without saving Confirm by pressing ENTER Note If you quit the edition menu with BRK before saving all changes will be lost Displaying a Selection List Select SHOW LIST and press ENTER to display the selection Material list list as it would appear in the program branch PARAMETER me 1 gt 2Z25nNOW LIST The current selection list is displayed as a scroll list on the Current i second line of the screen User materials media are always Carbon Ste part of the current user defined selection list Press ENTER to leave the current selection list and return to Current list the selection list edition menu gt Other Material To add a material medium to the current selection list select ADD MATERIAL or ADD MEDIUM Confirm by pre
41. d by scrolling further through the menu for the storage rate The built in datalogger will normally have 60 000 values freed up and available for data storage To retrieve data connect the serial cable supplied with the unit to the Portalok 7S and use the EESIDATA windows compatible program provided to retrieve data onto your computer Make sure that the com port settings are correct The EESIDATA program will allow you to see stored values study readings in depth and also and prepare the data in graphical format for saving or printing Advanced Measuring Functions Command Execution during Measurement Commands that can be executed during measurement are shown on the upper line of the display A command line always begins with a gt Scroll on the upper line of the display with key e until the needed command is displayed Confirm your selection with ENTER Depending on the instrument s settings an authorization code might have to be entered The commands available are the following Commands that can be executed during measurement COMMAND gt ADJUST SENSORS ACTION Switch to the sensor positioning mode If a program code is activated measuring will be automatically continued 8 seconds after the last keyboard action gt CLEAR TOTALIZER All totalizer values will be reset to zero gt BREAK MEASURE Stop measuring and return to main menu If a program code is activated you have to enter the 6 digit
42. dditional measuring error If the process conditions fluctuate strongly and the properties of the involved 41 materials media have a pronounced temperature dependency as the viscosity of hydraulic oils for example polynomials or other specialized functions should be used for the interpolation If in doubt consult EESIFLO to find the best solution for your specific measuring task Specialized Interpolations Some dependencies are approximated in an unsatisfactory way by polynomials EESIFLO offers some specialized interpolation functions option Basics Y f x z Multidimensional dependencies y f T p can also be approximated with these specialized functions Contact EESIFLO for further information about specialized interpolations In the SPECIAL FUNCTIONS SYSTEM SETTINGS LIBRARIES program branch select the entry EXTENDED LIBRARY Confirm by pressing ENTER Select OFF to disable the Extended Library function You can Extended Library then enter basic material and media properties only as off gt ON lt constants The installation of a user medium material will require only a few keystrokes Select ON if you wish to enter additional properties of the media materials or temperature or pressure dependent properties Confirm by pressing ENTER Input of Material Media Properties without the Extended Library Function If you do not wish to define temperature or pressure dependent material or medium the extended libra
43. e To toggle between the display of the totalizer for positive flow direction and the totalizer for negative flow direction press ENTER while a totalizer is displayed To reset the two flow totalizers to zero select the command CLEAR TOTALIZER on the upper line of the display and confirm with ENTER Quantity Recall The behavior of the totalizer after a measurement has been stopped or after a reset can also be set in the program branch SPECIAL FUNCTION SYSTEM SETTINGS Y MEASURING This setting is coldstart resistant In the MEASURING scroll list select the QUANTITY RECALL Quantity reca option off If you select ON the numerical values of the totalizers will be memorized and used for the next measurement or when the measurement is continued after a reset If you select OFF the totalizers will be reset to zero in both cases Overflow of the Totalizers The flow totalizers can work in two different modes e Without overflow The numerical value of the respective totalizer increases up to the internal limit of 10 The values are displayed as exponential numbers 1 00000E10 if necessary The totalizer can only be reset to zero manually e With overflow The totalizer resets automatically to zero as soon as 9999999999 is reached as for a water clock Independently of the selected option it is always possible to reset the totalizers manually 32 The totalizer wrapping mode can be set in the program branch SPECIAL
44. e Dat vi etsi ite p t aa edebat id dede RE ure AA dundee deeded daduntad Posee be eeu et ad e do a pd dequo od ves SETTINGS FOR THE DIALOGUES AND MENUS 5522 2215 5222 1532 2 22 23 E693 123218 RES 2E UAE LEA DL E ERES OR RL SERERE DRE ODER ES DR LARGE ARAIN Input of the Pipe Circumference Input of the Fluid Pressure sese Input mode for the Measuring Point Designation Display of the Last Entered Transducer Distance scssccccccssessessscesecsseesesecssecsseesesssessecseeesesssassessceesessaasseseeeeeenaes Error Valle Del dto toin pak l en este te T RR nui Display ofthe Alarms State ete eel este cede e eies ee iae aene Eta eee eee aae deu ede ens licen ede A e Ra MEASUREMENT SETTINGS 2 22 55 15e ree uio A up Eee a dae eet eee bue qud IS SETTINGWTHE CONTRAST 513 ee end fi to NORTON INSTRUMENTINFORMATION 2 2 32 a eaa dead Sen aaa ka k kd SEY ak kwe p ae Ev Ga aa RR Rel EE ka kou ke coven aaa iii AGTIVATING DEACTIVATING c 2 co eei de eean OR ds covet e ee ko a da eei dete dan kk e der o Do Tbe I kn ede qu TRANSDUGER PARAMETERS 22 1 pude REIR eee en rear he eb L an RERO TER A Son A FP UM REOR ARE RR eR Ree Sade Aye w ETE cavaseashansneacatietances Mates MALFUNCTIONS IN SUPERUSER V oo RM MEASURING THE SOUND VELOCITY OF THE MEDIUM cccccccccccccccccccccccocccccncnccnccccnnnncncncncconcncnonononccnncnconononcnononons 54 DISPLAYED INFORMATION ceci ress Fb ban eee ERA D R
45. e compared with the entered upper velocity limit If the flow velocity is bigger than the limit e The flow velocity is marked as invalid the measuring quantity cannot be determined e The display shows a behind the unit of measurement In case of a normal error a appears Cut off Flow The cut off flow function automatically sets all measured flow velocities falling below a certain value to zero All values derived from this flow velocity are equally set to zero The cut off can depend on the sign identifying the direction of flow or not The default cut off value is 5 cm s The largest cut off value which can be set is 12 7 cm s The cut off value can be set in the program branch SPECIAL FUNCTION SYSTEM SETTINGS MEASURING This setting is cold start resistant 33 If you select ABSOLUTE the user defined cut off value will not depend on the sign identifying the direction of flow There is only one limit to be set The absolute value of the measured value will be compared with the cut off value If you select SIGN the user defined cut off value will depend on the sign identifying the direction of flow Two independent limits can be entered for positive and negative flow velocities If you select FACTORY EESIFLO will use the factory default setting of 5 cm s for the cut off value Select USER to define you own cut off Confirm by pressing ENTER If you have previously selected CUT OFF FLO
46. e repeated now The Portalok 7S asks you if you want to search again for the correct transducer distance Select NO if the sound velocity of the medium has been measured precisely R L LPIRIFIKk 1 mm Select YES if the difference between the actual transducer distance and the better distance is of 1 mm or more or if no signal could be found A new measurement cycle will be started 55 The cycle can be repeated as often as necessary In most cases one or two cycles are quite enough for measuring the sound velocity en A fedium is Select YES to store the measured sound velocity in the actual parameter record for flow measurement The measured sound velocity can be edited before it is stored Confirm by pressing ENTER The name of the medium of the actual parameter record is changed to OTHER MEDIUM 56 Process Outputs If your instrument is equipped with process outputs these outputs must be installed and activated before they can be used To install an output you must e Define the measured value that should transmitted to the output source item and the properties of the signal e Define the behavior of the output in case no valid measured values are available Afterward the installed output must be activated program branch OUTPUT OPTIONS Only after this procedure has been gone through will measured values be available at the outputs Installation of a Process Output The installation o
47. er range 12 5 25 to 1000 mm Dimensions ca 60 x 30 x 33 5 mm Operating temperature 30 C 100 C Degree of protection 1P68 Material Teka peek Standard cable 10M length 73 Specifications Units of Measurement Volume flow Flow velocity Sound velocity voume ms m3 h m s m3 g m s m3 min inch s kg m3 s gal t I h l min l s USgph USgpm USgps bbl d bbl h bbl m 1 gallon US 3 78 1 barrel 42 gallons 158 76 74 Specifications Flow Nomogram min m h l s o o o o o o Q Vr 425 Ve Bo BEN Ve BS 0 BB O Go o NB EE NO ON ENL EL GN ln Ra T m I I I o o o Lo T X e 9 2 1 MOY SUUINJON 2 3 5 10 0 5 1 10 Flow velocity m s 75 Reference B Reference The content of the tables has been compiled to help the user The accuracy of the given data depends on the composition the temperature and the manufacturing process of the respective material EESIFLO does not accept liability for possible inaccuracies Table B 1 Sound velocity of some current pipe and lining materials at 20 C You will find here the longitudinal and transversal sound velocities of some pipe and liner materials at 20 C The gray underlayed values are not stored in the EESIFLO data bank In the cglgw column the sound velocity longitudinal or transversal used by EESIFLO for flow measurement is indicated In the case of your particular measurement problem remembe
48. ers can be mounted outside the pipe allowing for non invasive measurement The transit time difference effect can be observed over the complete range of flow velocities found in many applications Furthermore it is independent of the electrical parameters of the fluid conductivity dielectric constant etc The Portalok 7S is thus a very versatile instrument Advantages e Non invasive methods permit safe measurement on aggressive or high temperature media flowing in closed conduits e Flow values can be measured without interruption of the process e The installation does not require any alterations to the pipe system Description of the Flowmeter Control Panel of the Portalok 7S Attention The protective degree IP68 is only applied when the meter lid is closed shut Crush Proof Water Proof Case IP68 Rating when closed Battery Charging Status gt a gt E 7 Ultrasonic Flowmeter Available Free points for datalogging Serial Port d ETE EESIFLO we Ned 2 Break Operation Front panel of Portalok 7S Batteries are located inside the unit They can be accessed and replaced by removing the front panel The Transducers The transducers are mounted correctly if the engravings on the two transducers are forming an arrow together The transducer cables should then show in opposite directions Later the arrow in conjunction with the displayed measured value will help you to determine the direction
49. essure The Portalok 7S can take into account the dependency of fluid properties on pressure 48 In the FLUID PRESSURE display select ON if you wish to activate the fluid pressure query in the program branch PARAMETER The fluid pressure must lie between 1 and 600 bar If you select OFF the Portalok 7S uses a fluid pressure of 1 0 bar in all calculations Input mode for the Measuring Point Designation Select 1234 if you wish to identify the measuring points using only numbers point and dash Select NW lt gt if you wish to enter the measuring point designations using the ASCII editor see section 0 If you select TRANSDUCER DISTANCE Y USER Portalok 7S will display the last precise transducer distance you have entered after positioning of the transducers If the suggested transducer distance and the entered distance are not identical the suggested value is then displayed in parenthesis on the left followed by the last precise transducer distance entered This setting is recommended if you always measure at the same measuring point If you select TRANDUCER DISTANCE AUTO EESIFLO will only display the suggested transducer distance after the positioning of the transducers This setting is recommended if the measuring point changes often EDIT enables you to enter an error value delay The error value delay is the time after which a special error value will be sent to an output when no valid measured values
50. f the process outputs takes place in the SPECIAL FUNCTION SYSTEM SETTINGS Y PROCESS OUTPUTS program branch In the SPECIAL FUNCTION Y SYSTEM SETTINGS program branch select the PROCESS OUTPUTS option Confirm by pressing ENTER Select the output you want to install The scroll list contains istall Output all the actually available process outputs A tick Y after an urrent 11 item of the list means that this output has already been installed Confirm by pressing ENTER This display will appear if the selected output was not already enabled Select YES and confirm by pressing ENTER If the selected output was already enabled select NO to Il disable reconfigurate it or YES to go back to the previous menu and NO select another output Confirm by pressing ENTER Select the measuring quantity that should be transmitted to the output source item The available source items and their configuration option are described in the table below If you are configurating a binary output only the options LIMIT and IMPULSE are offered 57 Configuration options for the process outputs Available configuration options Flow Output of the measuring quantity selected in program branch OUTPUT OPTIONS Quantity Q Output of the totalizer for the positive flow direction Q Output of the totalizer for the negative flow direction B Output of the sum of the totalizers Impulse From abs x fromx gt 0 from x 0
51. f values obtained when working with transducers not designed for the model purchased Measurement might be impossible If you have selected SPECIAL VERSION Portalok 7S will ask for the transducer data Enter the value of the 6 transducer parameters as given by the manufacturer confirming each entry by pressing ENTER Portalok 7S then asks for the length of additional transducer Additional cable cable used not the total length of the transducer cable 65 m Enter the additional cable length if non standard extra lengths have been and confirm by pressing ENTER You will only need to use this if you have purchased additional cable lengths Selection of the Sound Path Factor In the main menu select the program branch MEASURING and then press ENTER 24 If this error message appears no complete parameter set exists Return to the program branch PARAMETER and enter the missing parameters EESIFLO now asks for the sound path factor which is the number of transits of the ultrasonic waves through the medium in the pipe A sound path factor of 0 zero is nonsense in terms of physics An odd number of transits diagonal mode require mounting of the transducers on opposite sides of the pipe see illustration below An even number of transits reflection mode requires mounting of the transducers on the same side of the pipe see illustration below Some small pipes in sound path 1 may show a negative distance In t
52. f x z to enter the properties as one of the pre defined functions for experienced users or by arrangement with EESIFLO go back Select GO BACK to return to the previous menu Select the material which properties you want to define USER MATERIAL Default name for a user material or medium is USER 02 not used MATERIAL N or USER MEDIUM N with N an entire number If you have selected a material which properties are already defined the Portalok 7S asks for confirmation Select EDIT to EDIT delete edit the properties of the material DELETE to delete the already defined properties and return to the EDIT MATERIAL scroll list Enter the material designation Press ENTER to confirm when finished USER MATERIAL You will now be requested to enter the transversal and longitudinal sound velocity of the material in m s Depending on the selected dependence of the material properties on the process quantities you will have to 44 enter one to five coefficients for each material property Confirm each value with ENTER If you are editing an already defined material the Portalok 7S will ask you for each property if it should be edited Select YES or NO and confirm by pressing ENTER then edit the coefficients Default soundsp long Select the kind of sound wave to be used for the flow measurement The transversal sound wave TRANS is normally used Confirm by pressing ENTER Enter the typical roughness of
53. first line of the display The main menu has following entries PAR parameter MEA measuring OPT output options and SF special functions corresponding to the four different program branches The actually selected program branch is displayed in capital letters between arrows The full name of the program branch is displayed on the second line w Use keys ka and ee to select a program branch Confirm your selection by pressing ENTER The Program Branches In the PARAMETER program branch you can enter the parameters of the pipe and of the medium The MEASURING program branch leads you through the different steps of the measuring process 13 In the OUTPUT OPTIONS branch you can set all output relevant parameters such as the physical quantity to be displayed during measurement and the measurement unit used for display for example The SPECIAL FUNCTION branch contains all functions that are not directly related with the basic measurement If a vertical arrow 2 is displayed beside a menu option this menu option contains a scroll list This list is displayed on the second line Use the arrow keys and to scroll through the list then confirm your selection by pressing ENTER Portalok 7S sometimes requests a selection on the second line The actually selected option is displayed in capital letters and between arrows m gt Use keys e and gt to select one of the options then confirm your selection by pressing E
54. his case the transducers must overlap according to the negative distance An increased number of transit paths mean increased accuracy of the measurement However the increased transit distance also leads to a higher attenuation of the signal The reflections on the opposite pipe wall and eventual deposits on the inner pipe wall cause additional amplitude losses of the sound signal In the case of a measurement on a system where both the pipe and the medium are strongly attenuating and where deposits can be found on the inner pipe wall it is possible that the amplitude of the signal is already insufficient for measuring after two transit paths Transducer installation Transducer installation in diagonal mode in reflection mode PONE AA Ce IE Correct positioning of the transducer is easier for an even number of transit paths as for an odd number Sound path Enter the sound path factor Confirm by pressing ENTER 25 Mounting and Positioning the Transducers Distance between the Transducers Once the number of transit paths has been entered the Portalok 7S indicates at which distance from another the transducers should be mounted here 54 mm The transducer distance given here is the distance between the inner edges of the transducers For very small pipes a A Measuring channel A negative transducer distance is possible Refle Reflection mode Diago Diagonal mode The accu
55. ield 14 To enter a HotCode select the program branch SPECIAL FUNCTIONS SYSTEM SETTINGS MISCELLANEOUS Select YES to enter a HotCode HOTCOD You will never normally need to use HotCodes unless gt YES lt instructed by EESIFLO for certain applications y Enter the desired HotCode Confirm with ENTER INVALID HOTCOD is di INVALLU nlt If an invalid code is entered an error message is displayed HOTCODE JOVOUI Press any key to continue HOTCOD Input a HOTCOL Select YES to continue or NO to go back to the no gt YES lt MISCELLANEOUS menu Interruption of Power EESIFLO stores the last measurement parameters in a non volatile coldstart resistant EPROM as soon as the measurement begins Previous input data ad measuring parameters are preserved If for some reason the unit is accidentally turned off after return of EESIFLO the power supply the serial number of the instrument appears on EESXXXX 00000999 the display for a few seconds The Portalok 7S automatically continues the measurement which was interrupted by switching the power off All selected output options will also be active The flowmeter does not continue the measurement after return of the power supply if a coldstart was performed To perform a coldstart press BRK C and ENTER simultaneously then let the BRK and C keys pressed and release only the ENTER key The instrument will be restarted Do not release BRK and C before the main menu is
56. ing examples recommended straight inlet and outlet pipe lengths are given for different types of flow disturbance sources to assist you in selecting the correct measuring point This may not always be possible to follow but should be used as a guide Recommended distance from disturbance source D nominal pipe diameter at measuring point L recommended distance Disturbance source 90 elbow Inlet Outlet L gt 10D L gt 5D L gt 5D E La L gt 10D JI ce q N Disturbance source 2 x 90 elbows in one plane Inlet Outlet L gt 25D L gt 5D a L gt 5D SS a Ss ON N gt N A L gt 25D E gt 25 V dt m ye e i e e ji Disturbance source 2 x 90 elbows in different planes Inlet Outlet L gt 40D L25D VERN L gt 5D of e qe E N NN L 40D Ni ria l N ge E Ea AN mi EB a o vu Disturbance source T section Inlet Outlet L250D L gt 10D L gt 50D E jp L210D y IA al dq E ke 17 Disturbance source diffuser
57. ints in the vicinity of deformations and defects of the pipe or in the vicinity of weldings Measure the temperature at the measuring point and make sure that the transducer used are adequate for this temperature Note If the temperature at the measuring point is fluctuating it is very important that the two inner hooks of the clasp are engaged in the tension strap Otherwise the pressure on the transducer will be insufficient when the temperature goes down In case of strong temperature fluctuations it is recommended to work with the tensions straps with integrated spring which will compensate the diameter fluctuation caused by thermal expansion 70 e Make sure that the pipe diameter is in the measuring range of the transducers Maximum Acoustic Contact In order to obtain maximal acoustic contact between the pipe and the transducers pay attention to the following points e The pipe must be clean and free of loose paint or corrosion bitumen etc You must be able to see the surface of the actual pipe Rust or other deposits absorb the acoustic signals Clean the pipe at the selected measuring point Remove rust or loose paint e Grind off any thick layer of paint e Always apply a bead of acoustic coupling compound lengthwise down the center of the contact surface of the transducers e Make sure that the mounting fixtures applies the necessary pressure on the transducers There should be no air pockets between transducer surface a
58. is manual at hand Get aquainted with the safety rules and the handling precautions Make sure you have read and understood this manual before using the instrument All reasonable effort has been made to ensure the correctness of the content of this manual Should you however find some erroneous information please inform us Please note that we shall be grateful for any suggestions and comments regarding this product which is a continual development This will ensure that we can further develop our products for the benefit of our customers and in the interest of technological progress Should you have any suggestions about improving the documentation and particularly this User s Manual please let us know so that we can consider your comments for future reprints We also provide special customer solutions and will be pleased to advise you in using EESIFLO for specific applications and finding the most appropriate solution for your measurement problem Please log onto our website www eesiflo com for contact details The content of this manual may be changed without prior notice All rights reserved No part of this manual may be reproduced in any form without EESIFLO s written permission Safety Precautions You will find in this manual the following safety information Respect these safety precautions EESIFlo Portalok 7S Users Manual Warranty The EESIFLO Portalok 7S series flowmeter is guaranteed for the term and to the conditions s
59. isible wear or if the transducer were used for a prolonged period at a high temperature many months at a temperature of more than 130 C for normal transducers or of more than 200 C for high temperature transducers In this case the instrument will have to be sent to EESIFLO for calibration under reference conditions 69 Problems with the Measurement a b d Measurement is impossible because no signal can be detected A question mark appears at the right side of the lower display line First of all make sure that the entered parameter are correct especially the outer diameter of the pipe the wall thickness and the sound velocity Typical errors the circumference or the radius was entered instead of the diameter The inner diameter was entered instead of the outer diameter Make sure that the transducer distance recommended by the Portalok 7S was respected when mounting the transducers Make sure that the selected measuring point is adequate Try to obtain better acoustic contact between the pipe and the transducers Try to measure with a smaller number of transit paths The signal attenuation might be too high because of a high fluid viscosity or of the presence of deposits on the inner pipe wall Contact EESIFLO for Application Specific Problems The measuring signal was found but no measuring value can be obtained If an exclamation mark is displayed at the right of the measuring units the measured values
60. lay default setting Select EDIT to activate the error value delay inquiry From now on the Portalok 7S will ask for the error value delay in the program branch OUTPUT OPTIONS This setting is coldstart resistant Activation of an Analogue Output An output can only be activated in the program branch OUTPUT OPTIONS if it has been previously installed In the main menu select the program branch OUTPUT OPTIONS Select YES in the display of the output to be activated current Loop Confirm by pressing ENTER TI no gt YES lt Scale Values for the Analogue Outputs After you have activated an analogue output in the program branch OUTPUT OPTIONS EESIFLO will ask for the scale values for the source item 61 Example Enter as ZERO SCALE VALUE the lowest measured value expected The displayed measuring unit is the unit of the source item of the output The ZERO SCALE VALUE is the measured value corresponding to the lower limit of the output range Enter as FULL SCALE VALUE the highest measured value expected The FULL SCALE VALUE is the measured value corresponding to the upper limit of the output range The output range 4 20 mA was selected for a current loop the zero scale value was set to O m h and the full scale value to 300 m h A signal of 20 mA will be transmitted to the current output when a flow rate of 300 m h is measured For a measured current of 0 m h a signal of 4 mA will be transmitted
61. lue of the minimal pipe inner diameter accepted by the Portalok 7S for a certain type of transducer Pipe Material The pipe material now has to be selected in order to determine its sound velocity The nominal sound velocities of the materials of the selection list are already programmed in the instrument When the pipe material is selected the Portalok 7S sets the sound velocity automatically Select the pipe material in the pipe material selection list If the correct material is not listed select the entry OTHER MATERIAL Confirm by pressing ENTER It is possible to select which materials are to be displayed in the material selection list If you have selected OTHER MATERIAL the Portalok 7S requests the entry of the sound velocity Enter the sound velocity of the pipe material Values between 600 0 and 6553 5 m s are accepted Confirm by pressing ENTER Important Enter here that sound velocity of the material longitudinal velocity or transversal velocity which is nearer to 2500 m s Pipe Lining The instrument asks if the pipe is lined If this is the case select YES and confirm by pressing ENTER If you select NO the Portalok 7S will ask for the next parameter 21 T 4 43 yr I1 Ill ll C Bitumen Thickness Select the lining material or the entry OTHER MATERIAL if the lining material is not listed Confirm by pressing ENTER If you have selected OTHER MATERIAL the Portalok 7S reque
62. n or contraction 26 Note Do not tighten the screws completely at this point 60 ryen 0 mmi0 20 30 0 50 60 n ilor ia 70 80 90 10 110 em 330 tatoo dna Tn n Te n de n nde ta ont unb Kulon 1 vd o pa pem Ja o D 0000000000000 06 se D00 0000000000000 0688 Transducers mounted with tension straps Extension of the Ball Chain To extend the chain insert the last ball of the spring end of the extension in the fastening clip of the ball chain The spare fastening clips supplied with the chain can be used to repair a broken chain Positioning the Transducers cc NENNEN E lt gt H 54 mm c BENBEBBN S When the transducers are mounted confirm the transducer distance by pressing ENTER The positioning procedure of the transducers is started A bar graph S informs you of the amplitude of the received signal Adjust the transducers by moving them slightly in order to obtain a maximal length of the bar graph Press key to switch on the lower line between the display of the transducer distance and the bar graph of the quality of the signal Q If the signal is not sufficient for measurement UNDEF is displayed Press key kai to scroll on the upper line between the display of the b
63. nd pipe wall Application Specific Problems Possible problem The entered sound velocity might be wrong The sound velocity is used by the flowmeter to determine the transducer distance and is therefore very important for transducer positioning The sound velocities programmed in the flowmeter should only serve as orientation values It might be necessary to have the sound velocity of the medium measured Possible problem The value entered for the pipe roughness might be inappropriate Reconsider the entered value taking into account the state of the pipe Possible problem Measurements on porous pipe materials e g concrete or cast iron are only possible under certain conditions Consult EESIFLO Possible problem Lined pipes might cause problem if the lining is not bonded correctly to the pipe wall or consists of a material which has bad acoustic characteristics Try measuring on a linerfree section of the pipework Possible problem Media with high viscosity strongly attenuate the ultrasonic signals Measurements on media with viscosity higher than 1000 mm s are only possible under certain conditions Possible problem Particles scatter and absorb ultrasounds and therefore attenuate the signal Measurement is hardly possible if the proportion of solid particles or gas bubbles is of 10 or more If the latter is high but less than 10 measurements might be possible under certain conditions Possible problem The flow might be in the
64. ne side of a pipe reflected on the opposite side and received by a second transducer These signals are emitted alternatively in the direction of flow and against it Transit path of the ultrasonic signals Transit time difference AT Since the medium in which the signals propagate is flowing the transit time of the sound signals propagating in the direction of flow is shorter than the transit time of the signal propagating against the direction of flow The transit time difference BIT is measured and allows the determination of the average flow velocity on the propagation path of the ultrasonic signals A profile correction is then performed to obtain the average flow velocity on the cross section of the pipe which is proportional to the volume flow rate The Portalok 7S diagnoses conditions with its special electronics the incoming ultrasonic signals for their usefulness for the measurement and evaluates the plausibility of the measured values The integrated microprocessors control the complete measuring cycle eliminating disturbance signals by statistical signal processing techniques Portalok 7S Applications The Portalok 7S can be used everywhere where the pipe wall and the liquid to be measured are sonically conductive This is true for pipe walls consisting of homogeneous material and for liquids which carry only small amounts of solid particles or gas bubbles Since ultrasonic waves also propagate in solid materials the transduc
65. nimum and maximum sound velocity for the medium e the kinematic viscosity of the medium e the density of the medium only if the output option MASS FLOW is activated e thetemperature of the medium 22 Select the medium or the entry OTHER MEDIUM if the Medium medium you want to measure is not listed hao m ya Water Confirm by pressing ENTER If the medium has been selected the Portalok 7S jumps straight to the display for entering the medium temperature If you have selected OTHER MEDIUM EESIFLO requests the entry of the minimal and maximum sound velocity the kinematic viscosity and the density of the medium It is possible to select which media are to be displayed in the medium selection list Sound Velocity EESIFLO uses the sound velocity of the medium for the calculation of the distance between the transducers at the beginning of the measurement However the sound velocity does not influence the measuring result directly Often the accurate value of the sound velocity for a given medium is unknown A range of possible values for the sound velocity must therefore be entered Enter the minimum and maximum values of the sound velocity for the medium you want to measure in m s Values between 800 0 m s and 3500 0 m s are accepted Confirm your entries by pressing ENTER Kinematic Viscosity The kinematic viscosity influences the flow profile of the liquid The Portalok 7S uses the value of the kinematic
66. o be measured is outside the measuring range of the transducers The measuring point is inadequate Try measuring somewhere else on the pipework and see if the results are better Pipes are never perfectly round and this influences the flow profile Try modifying the position of the transducers relative to the deformation of the pipe Problem with the Totalizers If the totalizer values are too big Check SPECIAL FUNCTIONS SYSTEM SETTINGS MEASURING QUANTITY RECALL If this option is activated the totalizer value of a measurement is saved The totalizer will take this value at the start of the next measurement If the totalizer values are too small One of the totalizers might have reached the internal limit It must be reset to zero manually If the output of the sum of the totalizers is not correct Check SPECIAL FUNCTIONS SYSTEM SETTINGS MEASURING QUANT WRAPPING The output of the sum of both totalizers via a process output is not valid after the first overflow wrapping of one of the respective totalizers 72 Specifications A Specifications Specifications are subject to modifications without prior notice EESIFLO Portalok 7S Series Portable Flowmeter Measuring Measuring principle Flow velocity Resolution Repeatability Accuracy Volume flow Measurable fluids Transmitter Enclosure Weight Degree of protection Material Measuring channels Power supply Display Operating temperat
67. of flow AES Correct positioning of the transducers with the arrow in the direction of the flow The engraving should also form an arrow if the two transducers are mounted on opposite sides of the pipe wall Serial Number Model and serial number are given on the data plate on the side of the flowmeter When contacting EESIFLO always have both numbers at hand If this plate is lost the number can be obtained from the start up screen Handling Scope of Delivery On delivery please make sure that all items of the following list standard scope of delivery are in the package 1 User s manual 1 Instrument for portable installation including power cable output cable is optional Transducers as per order with integrated cables 2 Transducer mounting fixture with tension straps 1 Tube of acoustic coupling compound Your package may contain other components according to your particular order Model designation and serial number are given on the data plate of the flowmeter When contacting EESIFLO always have both of them at hand General Precautions The Portalok 7S is a precision measuring instrument and it must be handled with care To obtain good measurement results and in order not to damage the instrument it is important that great attention is paid to the instructions given in this User s Manual and particularly to the following points e
68. of the SYSTEM SETTINGS now at the end of the dialogue 50 Setting the Contrast In SPECIAL FUNCTION V SYSTEM SETTINGS select settings 1 MISCELLANEOUS and press ENTER Lois laneous Set the contrast of the display using the following keys to increase contrast or decrease use the right and left arrow keys Note The contrast will be reset to medium after a coldstart Instrument Information Select SPECIAL FUNCTION Y INSTRUM INFORM to obtain Special Func f information about the flowmeter Instrum Inform the type designation and the serial number of your instrument and e the version of the firmware Confirm with ENTER The type designation and the serial number of your XXXX O0000999 instrument are given on the first line D s hs 5 XX 11 00 The firmware version and its date are given on the second line for example Here Version V5 xx from 11 11 2000 Confirm with ENTER 51 SuperUser Mode The SuperUser mode gives you the opportunity for experimental work Features of the SuperUser mode e The flowmeter operates without observing pre set standard parameters e There are no plausibility checks when parameters are being entered e The Portalok 7S does not control if the entered values respect the limits given by physical laws and specifications e The cut off flow velocity is not active e The sound path factor must always be entered numerically It is possible to modify the value of
69. of the code ACCESS code When a program code has been set the message PROGRAM CODE IS ACTIVE might be displayed when a key is pressed The message will disappear after a few seconds Attention Don t forget the program code In the SPECIAL FUNCTION program branch select the SET PROGRAM CODE option Enter a program code of up to 6 characters Confirm the entered code by pressing ENTER 35 INVALID CODE 909049 Interruption of Measurement This error message warns you if you have entered a reserved number The previous program code as far as existing is valid until you enter another code correctly or deactivate the program code When a program code has been set the meter will ask for it when you select a command line or press key BRK during measurement TUA Enter the program code ACCESS or BREAK code depending on what you want to do using keys and gt With key C you can cancel the code input and return to the measure The program code 000000 is always displayed first in the program code input display If you enter a program code beginning with 000 you will have a nearly immediate access to measure related commands If the entered code is not the current program code an error message is displayed for a few seconds If the entered code is valid the command will be executed or the measurement will be interrupted A program code can be canceled by entering in the PROGRAM
70. of the medium temperature the alarm will not switch Alarms with the switching condition OFF will automatically be set to the mode NO CONT The alarm is de energized 66 Alarms with switching condition gt gt sign change and type NON HOLD will switch in their activated state for about 1 second with any change of flow direction Alarms with switching condition gt gt sign change and type HOLD will switch in their activated state with the first change of flow direction and stay in this state They can be switched back by pressing the key C three times Alarms State Flow Alarm Type NON HOLDING approx 1s Alarm Type HOLDING Manual deactivation of the alarm Behavior of a relay when the flow direction changes Note There are no visual or acoustic indication of alarm switching or resetting It is possible to have the state of the alarms displayed during measurement This function can be activated in program branch SPECIAL FUNCTION SYSTEM SETTINGS DIALOGS MENUS This setting is coldstart resistant Select the SHOW RELAIS STAT option Select ON to activate the display of the alarms state During measurement press key ka to scroll on the first line of the display until you reach the alarm s state display The alarm s state is displayed in the following form RX where represents a pictogram R1 i u Deactivating the Outputs f
71. or example If you no longer require a programmed output it can be deactivated The configuration of the deactivated output is stored and will be available when the output is re activated Deactivate the outputs by selecting NO in the respective display of the program branch OUTPUT OPTIONS Confirm by pressing ENTER 67 Pictograms of the alarm s state display Nr Function Type Switching condition Actual state 1 no function NON HOLD ss kad zu CLOSED 1 normally open iG 2 El MAX HOLD ui Me HEO OPEN wie normally closed aa 3 sis MIN mi gt A QUANTITY pa ERROR Troubleshooting First Step Which of the followings describes the best your problem a b f g h The display does not work at all or always goes out If the power supply is ok the transducers or an internal component of the transmitter are defective Send the transmitter and the transducers to EESIFLO for repair The message System Error is displayed Press B to return to the main menu If this happens several times note the code displayed on the lower line of the display write down in which situation the error occurred and contact EESIFLO The flowmeter doesn t react when B is pressed during measurement A program code has been defined Press key C and enter the
72. ot connect the meter to incorrect voltages when charging The Portalok 7S will run approximately 24 hours on battery power when fully charged Do not overcharge the unit 24 hours usage will require approximately 24 hours charging time The Portalok 7S has two status LED s which display status information about the battery and the battery charging process BATTERY LED has three states ON The relative state of the charge of the battery is more than 20 percent but less than 50 percent OFF The relative state of the charge of the battery is more than 50 percent BLINKING The relative state of charge of the battery is less than 20 percent CHARGE LED also has three states ON The instrument is connected to a power supply The battery is fully charged OFF The instrument is not connected to a power supply The battery is not being charged BLINKING The instrument is connected to a power supply The battery is being charged BATTERY REPLACEMENT PROCEDURE Replacing the battery requires careful removal of the control panel cover screws and panel Please note the following ONLY USE BATTERY PACKS SUPPLIED BY EESIFLO TO ENSURE GUARANTEED PERFORMANCE AND TO AVOID DAMAGE TO THE INSTRUMENT Connection of the Process Outputs Attention The protective degree of the flowmeter is only guaranteed if the cover is tightly screwed on the housing If you have been supplied with an optional output connector to send signals to remote devices
73. owing a message will be displayed if the selected number of data sets for a certain type of data would overflow the capacity of the user area Enter the wanted number of user materials Confirm by pressing ENTER Enter the wanted number of user media Confirm by pressing ENTER Enter 0 Heat flow coefficients can only be defined when your instrument is equipped with temperature inputs not available with Portalok 7S Confirm by pressing ENTER Enter 0 Steam coefficients can only be defined when your instrument is equipped with temperature inputs not available with Portalok 7S Confirm by pressing ENTER Enter 0 Concentration coefficients can only be defined when your instrument is equipped with temperature inputs not available in the Portalok 7S series Confirm by pressing ENTER EESIFLO displays for a few seconds the occupancy of the user area for the selected partition 40 EESIFLO asks for confirmation of the selected partition Format NOW Select YES to proceed to partitioning SYES lt no AS Confirm by pressing ENTER The Portalok 7S formats the user area according to your FORMATTING inputs This procedure takes a few seconds Once the formatting is finished the Portalok 7S will return to the FORMAT USER AREA display Keeping Data during Formatting of the User Area When reformatting the user area EESIFLO can keep up to 8 data sets of each type Example 1 You reduce the number of user
74. pecified in the sales contract provided the equipment has been used for the purpose for which it has been designed and operated according to the instructions given in the present User s Manual Misuse of the EESIFLO meter will immediately revoke any warranty given orimplied This includes e the replacement of a component of the EESIFLO by a component that was not authorized by EESIFLO e unsuitable or insufficient maintenance e repair of EESIFLO by unauthorized personnel EESIFLO assumes no responsibility for injury to the customer or third persons caused by the material owing to defects in the product which were not predictable or for any indirect damages The EESIFLO Portalok 7S series is a very reliable instrument It is manufactured under strict quality control using modern production techniques If installed correctly in an appropriate location and as recommended used cautiously and taken care of conscientiously no problems should appear If any problem appears which cannot be solved with the help of this manual please contact our sales office giving a precise description of the problem The Portalok 7S Flowmeter Overview EESIFLO Portalok 7S is a flowmeter that uses ultrasonic signals to measure the flow in pipes or conduits filled with liquid It can measure the following quantities the flow velocity the volume and total flow the sound velocity of a medium The transducers recommended temperature operation is between
75. program code The backlight of the display does not light on but everything else works The backlight is defective Send the instrument to EESIFLO for repair This problem has no influence on the other functions of the display The date and time displayed are wrong and measured values are deleted when the flowmeter is switched off The data backup battery must be replaced Send the instrument to EESIFLO A process output doesn t work Make sure that the outputs are configured correctly Control the function of the output as described in section Measurement is impossible or the measured values substantially differ from the expected values Contact experienced EESIFLO personnel The totalizer values are wrong Check your settings If any problem appears which cannot be solved with the help of this booklet please contact EESIFLO giving a precise description of the problem Don t forget to specify the model serial number and firmware version of your instrument Calibration The Portalok is a very reliable instrument It is manufactured under strict quality control using modern production techniques If installed as recommended in an appropriate location used cautiously and taken care of conscientiously no troubles should appear The instrument has been calibrated at the factory and usually a re calibration of the flowmeter won t be necessary However a new calibration might be advisable if the surface of the transducers show v
76. r This has ee the same effect as restarting the unit Data will not be affected INIT cold start Pressing these keys simultaneously while switching the flowmeter ON until the MAIN MENU appears will initialize EESIFLO Most parameters and settings are reset to the factory default values The memory will not be cleared Horizontal selection Select next item on the right wrap after rightmost item As soon as power is turned on by pressing PWR a message will appear such as EESIFLOW for several seconds along with After initialization the Parameter screen will appear unless you have previously been doing measurements in which 12 Bo Select next item on the left wrap after leftmost item Vertical selection gea Scroll forward wrap after last item B Scroll backward wrap after first item Input of numerical values B Move cursor to the right gea Scroll digit above cursor Move cursor to the left When the cursor is on the left margin an already edited value will be reset to previously saved value an unedited value will be deleted If the entered value is not valid an error message will be displayed Press any key and enter a correct value Input of text Bo Move cursor to the right wrap after rightmost item ES Scroll through character set above cursor Ba Reset all characters to last saved entry The Menus The Main Menu After switching on and initialization the main menu appears on the
77. r that the sound velocity depends on the composition and on the manufacturing process of the material The sound velocity of alloys and cast material will fluctuate over a certain range the velocity given here should in such a case be understood as an orientation value Material Ctrans Clong flow Ctrans Clong flow m s m s m n E m s Aluminum 310 6300 trans Platinum 1670 trans min MECA trans Polyethylene trans cement trans PVC hard trans pe mm long Stainless steel trans 76 Reference Table B 2 Typical roughness coefficients for pipes For your convenience we have already pre programmed common roughness coefficients for pipe materials The data are based upon experience with measurements performed with these pipe materials Pipe wall material Absolute roughness Pipe wall material Absolute roughness um Drawn pipes of non ferrous metal glass plastics and light metal Cast iron pipes Drawn steel pipes 2 bitumen lining fine planed polished surface oh new without lining planed surface des rusted rough planed surface ds encrusted Welded steel pipes new long usage cleaned lightly and evenly rusted heavily encrusted Table B 3 Typical properties of media at T 20 C and p 1 bar Sound velocity m s Kinematic viscosity Density mm s m OO n w eee EE on i5 4a 38 woe nm o on 9m mosdy
78. racy of the distance suggested by EESIFLO depends on the accuracy of both the pipe and medium parameters entered Reflection mode Diagonal mode even number of transit paths odd number of transit paths A Transducer distance Transducer distance Mounting the Transducers Always mount the transducers so that the front edges are gt p opposite to each other The engravings on the top of the transducers should form an arrow as illustrated Correct positioning of the transducers Important In order to obtain maximum acoustics between the pipe and the transducers pay attention to the following points e Rust or other deposits absorb the sound signals Clean the pipe at the emplacement where you plan to mount the transducers Remove rust or loose paint Grind off any thick layer of paint Always apply a bead of acoustic coupling compound lengthwise down the center of the contact surface of the transducers There should be no air or air pockets between transducer surface and pipe wall Make sure that the mounting fixture applies the necessary pressure on the transducers Mounting with Spring Tension Fixtures optional For most some pipes where vibration is high we recommend to use the standard supplied EESIFLO tension straps Most applications use standard spring and chain sets which are provided These straps also allow for pipe expansio
79. ram branch PARAMETER and press ENTER Enter the outer diameter of the pipe Confirm your entry or the displayed value by pressing ENTER It is possible to change this menu in order to enter the pipe circumference instead of the diameter This setting is coldstart resistant and can be made in the program branch SPECIAL FUNCTION If the input of the pipe circumference is activated and you inadvertently enter a O zero in the OUTER DIA METER display the Portalok 7S will switch to the PIPE CIRCUMFER display If you do not wish to enter the pipe circumference press B to return to the main menu and start the parameter input again 20 Wall Thickness Enter the pipe wall thickness The range of possible values depends on the transducer specifications Default value for this parameter is 3 0 mm Confirm by pressing ENTER If you do not have reliable wall thickness information from known pipe specifications you may need to measure the wall thickness on site with a non contact thickness gage If you do not have a separate pipe wall thickness gage please contact EESIFLO for the model WTG EES 01 stand alone ultrasonic thickness gage or purchase one from a local vendor The Portalok calculates the inner diameter outer diameter 2 x wall thickness and checks if this value is within the specified inner diameter range for the transducers used An error message is displayed if this is not the case It is possible to modify the va
80. rammed measurement e the state of the alarms if any alarm outputs are activated and the display of the alarms state is enabled Following information can be displayed on the second line in addition to the selected quantity of measurement 29 e Flow velocity e Mass flow rate e Volume flow rate Use key e to scroll through the different displays of the first line while measurement is going on Use key gt to scroll through the different displays of the second line while measurement is going on Flow The asterisk indicates that the displayed value here the flow velocity is not the selected quantity of measurement here the volume flow Te A Volume 2 47 During measurement it is possible to scroll to the display of the transducer distance by pressing the ka key The actual optimum transducer distance is given first in parenthesis here 51 2 mm then the entered transducer distance here 50 8 mm The optimal transducer distance might change during measurement due to temperature fluctuations for example An eventual mispositioning of the transducers here 0 4 mm will be internally compensated by the Portalok 7S Attention Never change the transducer distance during measurement 30 Datalogging and retrieving data By Scrolling through the OUTPUT OPTIONS menu you will be prompted whether or not to save data If your intention is to save data then chose YES in this menu You will then be prompte
81. rials or media user materials or user media to the internal data bank These entries are stored in the coefficient storage user area The number of user materials media that can be defined depends on the partitioning of the user area The user materials media will appear in the selection lists of the program branch PARAMETER The storage of user defined materials and media is cold start resistant and remains active even if the unit has been switched off The basic properties of a medium are its maximum and minimum sound velocities its viscosity and its density The basic properties of a material are its transversal and longitudinal sound velocities and its typical roughness If the Extended Library function is activated you can additionally define temperature or pressure dependent properties for materials or media Note The user area must be partitioned before any data can be stored Partitioning the User Area The capacity of the user area can be parted as you like among the following data set types e Basic data of a material sound velocity typical roughness e Basic data of a medium sound velocities kinematic viscosity density 39 Capacity of the user area Po Maximum number of data sets Corresponding occupancy of the user area in 95 MAXIMAL Materials In the SPECIAL FUNCTIONS SYSTEM SETTINGS LIBRARIES program branch select the entry FORMAT USER AREA Confirm by pressing ENTER In the foll
82. ror value 58 Error value options Output of the lowest possible value lower limit of the output range Output of the last measured value Output of the highest possible value upper limit of the output range Output of a value to be defined within the physical limits of the output Example The flow volume was selected as source item for the current loop the current loop range was set to 4 20 mA the error value delay ta to a value greater as zero The measurement of the volume flow rate is impossible during the time interval to t1 Sab What signal should be output during this time l interval a ad Error value options Selected error value option Error Value 2 00 mA Minimum 4 0mA Select an error value in the scroll list Confirm by pressing ENTER If you have selected OTHER VALUE enter an error value now The value must be within the physical limits of the process output Confirm by pressing ENTER Note The Portalok 7S stores your settings now at the end of the dialogue 11 active loo p Terminal Pl P1 Function Check The terminals to be used for the connection of the output are now displayed here P1 and P1 for the active current loop Confirm by pressing ENTER Finally you can test the function of the installed output Connect the terminals assigned to the output you have installed to a multimeter Test of analogue outputs
83. ry function should be disabled The procedures for the input of material and medium properties are the same In the program branch SPECIAL FUNCTION select INSTALL MATERIAL or INSTALL MEDIUM and press ENTER An error message appears in case you did not reserve data sets for user materials or user media when formatting the user area In this case partition the user area according to your needs Select EDIT and press ENTER 42 USER MATERIA 2 01 not used TEXT t es e ds MATERIAL 1 Select one of the available memory locations Confirm by pressing ENTER Default name for a user material or medium is USER MATERIAL N or USER MEDIUM N with N an entire number This designation can be modified now There are 95 ASCII characters letters capital letters numbers special characters gt lt etc available for the designation of your material medium with a maximum of 16 characters per designation The input of text is described in section O FOR A MATERIAL Roughness FOR A MEDIA Press ENTER when the edition of the designation is finished The Portalok 7S asks for the sound velocity of the material Table B 1 of Appendix B gives the sound velocities of some materials Values between 600 0 and 6553 5 m s are accepted Confirm by pressing ENTER Enter the roughness of the pipe taking into consideration the state of the pipe Table B 2 of Appendix B gives typic
84. set and Initialization of the Alarms essei sess esee eee tn nnns enn nn anas sess eas ih daas ss sse a ssa asas sse aa sa asas 65 Alarm Outputs in the Parameter Record sessi esses eene nennen tana sanas sesenta rada assess essa sa daas assa sss sa dadas 66 Alarm Outputs during Transducer Positioning eese sessi esee enti nnn nnne nah aa assess eas saa a asas ss sana sa daas nn 66 Alarm Output during Measurement s esses sees enne nnne th nas nasse sea ta asa ss sess easi sa dass sess essa sa asas ss essa sa asas 66 Alarms ESA uere ie ede eie cete dede id os ue oe Ba Ded desa daret pa dee dera A Edo e etd edu 67 DEACTIVATING THE O TP TS 4 ceris iie ee eR RE e ue er Ar 67 AUS AA cadsedvcasdsdccessssnecsesdeceadsaconssseacousstecsseessenss 69 PROBLEMS WITH THE MEASUREMENT owa koke 2 ei tere koua RE eu eR ka Lee ib 70 MAXIMUM ACOUSTIC CONTACT APPLICATION SPECIFIC PROBLEMS MEASUREMENT DATA SUBSTANTIALLY DIFFERS FROM THE EXPECTED VALUE sienne enne enne enne nnns 71 PROBLEM WITH THE T OTALIZERS EC 72 ASBECIFICATION ky 73 AAA aa A OO DO NO A n On 76 EESIFlo Portalok 7S Users Manual Introduction Regarding this Manual This manual has been written for the personnel operating a EESIFLO Portalok 7S series flowmeter It contains very important information about the instrument how to handle it correctly how to avoid damaging it and how to avoid injury Always keep th
85. splay during measurement the alarms will switch back to their programmed idle state An alarm output of the type HOLDING which has switched during the previous measurement will remain in its programmed idle state after completion of the transducer positioning if the switching condition is not met any more You can obtain the same result by pressing key C three times during measurement The switching of the alarms into their programmed idle state is not indicated on the display Alarm Output during Measurement Alarms with switching condition MAX or MIN will be updated once per second at most in order to avoid humming a permanently fluctuating measured value around the limit constantly triggering the alarm Alarms of type NON HOLD will switch in their activated state for about 1 second when the switching condition is met Alarms with switching condition QUANTITY will immediately switch in their activated state when the totalizer value reaches or exceeds the limit Alarms with switching condition ERROR will only switch in their activated state after several unsuccessful measuring attempts Therefore typical short term disturbances of the measurement as for example air bubble caused by pumps being switched on will not activate the alarm If the alarms are of type NON HOLD they will switch back as soon as a valid measured value is obtained If there is an internal adaptation to changing measuring conditions e g to a considerable rise
86. ssing ENTER The Portalok 7S displays as a scroll list on the second line all materials media which are not in the current selection list Select the material medium to be added and press ENTER The material medium is added to the selection list Note The materials media will appear in the list in the order in which they have been added Deleting a Material Medium from the Current List To remove a material or a medium from the selection list Material list g select REMOVE MATERIAL or REMOVE MEDIUM move Material 38 Portalok 7S displays as a scroll list on the second line all gt Remove Materi materials media of the current selection list Rubber Select the material medium to be removed and press ENTER The material medium is deleted from the selection list User materials media are always part of the current user defined selection list They cannot be deleted Deleting all Materials Media from the Current List Select REMOVE ALL and press ENTER to remove all materials media from the current selection list Used defined materials and media will not be removed User materials media are always part of the current user defined selection list They cannot be deleted Adding all Materials Media to the Current List Select ADD ALL and press ENTER to add all materials media of the internal data bank to the current selection list Defining New Materials and Media It is possible to add self defined mate
87. sts the entry of the sound velocity Enter the sound velocity for the liner material Values between 600 0 and 6553 5 m s are accepted Confirm by pressing ENTER Enter the pipe liner thickness Default value for this parameter is 3 0 mm Confirm by pressing ENTER EESIFLO checks the correlation between the entered outer diameter the pipe wall and liner thickness The inner diameter outer diameter 2 x wall thickness 2 x liner thickness should be within the specified inner diameter range for the transducers used An error message is displayed if this is not the case Pipe Roughness The roughness of the inner pipe wall influences the flow profile of the liquid and is used for the calculation of the profile correction factor In most cases the pipe roughness cannot be exactly determined but must be estimated For your convenience we have compiled a list of roughness factors for a number of materials based on experience and measurements the display ROUGHNESS requests the input of a value for the selected pipe or lining material Roughness 0 4 Change the suggested value according to the condition of the inner pipe wall Values between 0 0 mm and 5 0 mm are accepted Default value is 0 1 mm Confirm by pressing ENTER Input of the Medium s Parameters After you have finished entering the pipe parameters the Portalok 7S asks for the medium parameters The medium parameters required for measurement are e the mi
88. the material Confirm by pressing ENTER Select YES to save the entered properties NO to leave without saving Confirm by pressing ENTER Input of Medium Properties with the Extended Library Function Make sure the Extended Library function is activated Funct 9 Medium USER Medium NOT FORMATTED Basics Y2m X n Basics Y Polynom Basics Y f x z go back USER MEDIUM 0 01 not used In the program branch SPECIAL FUNCTIONS select INSTALL MEDIUM and press ENTER An error message appears in case you did not reserve data sets for user media when formatting the user area In this case partition the user area according to your needs Select the wished dependence of the properties on the temperature or pressure Select Y const to enter the properties as constants Select Y m X n to enter the properties as linear functions Select YzPolynom to enter the properties as polynomials y k k x k x k ka Select Y f x z to enter the properties as one of the pre defined functions for experienced users or by arrangement with EESIFLO Select GO BACK to return to the previous menu Select the medium which properties you want to define Default name for a user material or medium is USER MATERIAL N or USER MEDIUM N with n an entire number 45 MEDIUM delete 1 Input Name USER MEDIUM If you have selected a medium which properties have already been defined the
89. the minimal pipe inner diameter accepted by EESIFLO for a certain type of transducer without entering the SuperUser mode Activating Deactivating Enter the HotCode 071049 to activate the SuperUser mode EESIFLO indicates that the SuperUser mode is activated Confirm by pressing ENTER The main menu will appear again EESIFLO then indicates that the SuperUser mode is deactivated Confirm by pressing ENTER The main menu will appear again You can also deactivate the SuperUser mode by switching EESIFLO off Transducer Parameters In SuperUser mode the TRANSDUCER TYPE display will appear at the end of parameter input even though the transducers were detected and recognized by the instrument Confirm the displayed transducer type here for example Transducer Type Q2E 314 or select a transducer type in the scroll list If you wish to edit the transducer parameters select the option SPECIAL VERSION Confirm by pressing ENTER If you have selected SPECIAL VERSION the Portalok 7S will ask for the transducer data Enter the value of the 6 transducer parameters as given on the transducer data card confirming each entry with ENTER 52 Malfunctions in SuperUser Mode Since the SuperUser mode operates without any plausibility checks nonsensical entries may result in an automatic switching off of the instrument or in a crash of the internal software This would occur for example if you enter O zero as the number of
90. transition range between laminar and turbulent flow where flow measurement is problematic Check the Reynolds number of the flow at the measuring point and consult EESIFLO Measurement Data Substantially Differs from the Expected Value Possible causes for wrong measured values e Awrong sound velocity for the medium A wrong value of the sound velocity could lead the user to identify the ultrasonic signal that was reflected on the pipe wall and did not cross the medium as the measuring signal The measured flow rate will then be very small or fluctuate around zero e There is gas in the pipe 71 If there is gas in the pipe the measured volume flow rate will always be too high since both the gas volume and the medium volume are being measured The upper limit for the flow velocity is too low The measured flow velocities that are greater than the defined upper limit are ignored and marked as outlier All quantities derived from the flow velocity are equally ignored If a certain number of correct measuring values are higher than the limit the totalized values the volume flow rate for example will be too small The defined cut off flow is too high All flow velocities below the cut off are set to zero as well as all quantities derived from these flow velocities To measure small flow velocities the cut off flow default value 5 cm s must be set to an appropriate value The pipe roughness is inappropriate The flow velocity t
91. und attenuation is in a specific system depends on e the kinematic viscosity of the liquid e the proportion of gas bubbles and solid particles in the liquid e the presence of deposits on the inner pipe wall e the wall material Make sure that following conditions are fulfilled at the measuring point e the pipe is always filled e nomaterial deposits are building e no bubbles accumulate even bubble free liquids can form gas pockets at places where the liquid expands e g especially behind pumps and where the cross sectional area of the pipe extends considerably Undisturbed Flow Profile Many flow elements elbows slide valves valves pumps T sections reducers diffusers etc distort the flow profile in their vicinity The axi symmetrical flow profile needed for correct measurement is no longer given A careful selection of the measuring point makes it possible to reduce the impact of disturbance sources It is most important that the measuring point is chosen at a sufficient distance from any disturbance sources Only then can it be assumed that the flow profile in the pipe is fully developed Having said all of this the Portalok 7S will give you meaningful measuring results even under non ideal measuring conditions with a liquid containing a certain proportion of gas bubbles or solid particles or if the recommended distances to disturbance sources can not be observed for practical reasons for example 16 In the follow
92. ure Power consumption Signal damping Measuring cycle Response time Measuring functions Quantities of measurement Totalizers Calculation functions Built in Datalogger Operating languages Process outputs Ultrasonic time difference correlation principle 0 01 25 m s 0 025 cm s 0 25 of reading 0 02 m s for fully developed rotationally symmetrical flow profile 1 3 of reading 0 02 m s depending on application 0 5 of reading 0 02 m s with process calibration all acoustically conductive fluids with lt 10 gaseous or solid content in volume 3 kg Designed to IP68 High density Polyethylene 1 100 240 VAC and Battery operated 2 x 16 characters dot matrix backlit 10 C 60 lt 10W 0 100 s adjustable 100 1000 Hz 1 channel 1s 1 channel Volume and mass flow rate flow velocity Volume mass Average Difference Sum Approx 60 000 values English all outputs galvanically isolated from main device The basic instrument is equipped with 1 current output and 2 binary outputs Current Measuring range active Rext lt 500 fl 0 4 20 mA Accuracy 0 1 of reading 15 P Binary open collector 24 V 4 mA reed contact 48 V O 1A limit sign change or error Pulse value 0 01 1000 units Width 80 1000 ms as state output as pulse output Flow transducers clamp on Type P Rated possible diamet
93. value and pulse width If the actual flow exceeds this Max Value the pulse output will not function properly In such a case the pulse value and pulse width should be changed to accommodate the flow conditions Confirm the maximal value by pressing ENTER Attention If the actual flow rate exceeds this Max Value the pulse output will not function correctly Activation of an Alarm Output The display ALARM OUTPUT only appears in the program branch OUTPUT OPTIONS if an alarm output has been installed A maximum of three alarm outputs operating independently of each other can be linked The alarm outputs can be used for the output of status information about the ongoing measurement or to start and stop control pumps electrical motors or other equipment Setting the Alarm Properties You can define the switching condition the type the holding behavior and the mode the state in de energized condition of the alarm output The settings are described in the following table Alarm properties FUNC MAX Alarm switches when the measured value exceeds the upper limit switching MIN Alarm switches when the measured value falls below the lower limit measured value reaches or exceeds the programmed limit om no function the alarmisnot working TYP NON HOLD Alarm returns to idle state after approx 1 second if the switching condition holding behavior is not true any more HOLD Alarm stays activated even if the s
94. witching condition is not true any more MODE NO Cont Alarm is energized when the switching condition is true i e de energized alarm state in de when idle NO normally open energized Alarm is de energized when the switching condition is true i e energized condition when idle NC normally closed In the main menu select the program branch OUTPUT OPTIONS Select YES in the display of the output to be activated Confirm by pressing ENTER 63 The display that then appears contains three scroll lists RI FUNC typ mode e FUNC for setting the switching condition Function MAX e TYP for setting the holding behavior e MODE for setting the state in de energized condition Use left and right arrow keys to select an scroll list on the first line Use left and right arrow keys to select the corresponding setting on the second line Press ENTER to confirm the selected settings at the end of selection Setting the Limit Values For the functions MAX and MIN If you have selected the switching condition MAX or MIN under FUNC you can enter the desired limit values for the alarm outputs as follows Select in the INPUT scroll list which physical quantity should R1 Input be used for comparison Available options are e the volume flow e the signal amplitude e the sound velocity for the medium Volume Flow Confirm by pressing ENTER EESIFLO will then ask for the value of the limit Limit values

Users Manual - Portable Clamp On Transit Time and Doppler Flow

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