TDS-100H Handheld Ultrasonic Flowmeter User manual
Contents
1. the default state Timer Slow Error Problem with the timer keeper or 1 Power on again Timer Fast Error the crystal oscillator 2 Contact with factory E R Initiali the calendar by menu Date Time Error Number errors with the calendar j window M61 Reboot repetitively Hardware problems Contact the factory 5 2 Error Code and Counter Measures The TDS 100H ultrasonic flow meter will show Error Code in the lower right corner with a single letter like I R etc on menu windows M00 M01 M02 M03 M90 and MO8 When any abnormal Error Code shows counter measures should be taken Correspondent Message displayed Counter measures 1 No Signals detected 2 Transducers installed improperly Detect No Signal 3 Too much fouling 4 Pipe liners are too thick 5 Transducer cords are not 1 Relo cate measuring location 2 Clean the spot 3 Check the cords properly connected J Hardware problem Contact the factory IDiytool com TDS 100H Handheld Ultrasonic Flowmeter 31 1 Poor signal detected 2 Transducers installed improperly 1 Relocate measuring place 3 Too much fouling 2 Clean the spot 4 The pipe liners are too 3 Check the cords thick 4 Check the coupler 5 Problem with transducers PoorSig Detected cords Check the value entered at M66 M67 M68 and M69 and try to enter a larger value on M69 The actual frequency for the Frequ OutputOver Frequency Output is out of the range set by the user 12. 90 Gasoline 13 93 Gasoline 14 Alcohol 15 Hot water at 125C Window for entering the fluid sonic velocity only for non standard liquids Window for entering the viscosity of the non standard liquids Window for selecting the proper transducers There are 14 different types of transducers for selection If the user type transducers are used 4 user type wedge parameters which will be prompted by the software should be entered following M0 M0 M0 0 1 1 1 1 1 1 1 1 1 1 M2 6 7 8 9 0 2 3 4 6 7 8 9 0 M23 If the x type transducers are used 37 type transducers and pipe parameters should be entered following IDiytool com 18 TDS 100H Handheld Ultrasonic Flowmeter Window for selecting the transducer mounting methods Four methods can be selected 0 V method 1 Z method 2 N method 3 W method IDiytool com TDS 100H Handheld Ultrasonic Flowmeter 19 Display the transducer mounting spacing Entry to store the parameter configuration into the internal NVRAM Select YES or NO for the instrument to determine whether or not to hold or to keep the last correct value when poor signal condition occurs YES is the default setup so Window for selecting unit system Default value is Metric The change from English to Metric or vice versa will not affect the unit for totalizers Window for selecting flow rate that will be used by the instrument afterward Flow rate can be in Cubic
3. the sound speed for the material must be configured too Standard pipe materials and standard liquids refer to those with the sound parameters that have already been programmed into software of the flow meter therefore there is no need to configure them 4 Liner material and its sound speed and thickness if there is any liner 5 Liquid type for non standard liquids the sound speed of the liquid is also needed 6 Transducer type adapted to the flow meter Generally the Standard M1 clamp on transducers will be the selected option IDiytool com TDS 100H Handheld Ultrasonic Flowmeter 9 7 Transducer mounting methods the V method or Z method is the common option 8 Check up the Space displayed on M25 and install the transducers accordingly For standard pipe materials and standard liquids the following detailed step by step setup is recommended 1 Press keys 1 to enter M11 window to input the digits for the pipe outer diameter and then press key 2 Press to enter M12 window to input the digits for the pipe outer diameter and then press key 3 Press key vA to enter M14 window and press key to enter the option selection mode Use keys and to scroll up and down to the intended pipe material and then press key 4 Press key ag enter M16 window press ENT key to enter the option selection mode use keys A and W j to scroll up and down to the liner material and then press key Select No Liner i
4. The terminal voltage is displayed on window M07 When the battery is nearly consumed the battery voltage drops to below 3V The user can obtain an approximate battery working time from the battery voltage A software battery working time estimator is integrated in this instrument based on the terminal voltage Please note that the estimator may have relatively bigger errors in the estimated working time especially when the voltage is in the range of around 3 70 to 3 90 volt 2 2 Power On Press the key to switch on the instrument and press the to turn off the power Once the flow meter is switched on it will run a self diagnostic program checking first the hardware and then the software integrity Ifthere is any abnormality corresponding error mess ages will display Generally there should be no display of error messages and the flow meter will go to the most commonly used Menu Window Number 01 short for MO1 to display the Velocity Flow Rate Positive Totalizer Signal Strength and Signal Quality based on the pipe parameters configured last time by the user or by the initial program The flow measurement program always operates in the background of the user interface This means the flow measurement will keep on running regardless of any user menu window browsing or viewing Only when the user enters new pipe parameters will the flow meter change measurement to the new parameter changes IDiytool com TDS 100H Handheld Ultraso
5. cccceececeeeceeeeeeeceeeeeeeeeaeeeeeeeeaeeeeaeeeeeeeaes 30 5 3 Other Problems and Solutions cccceeeeenececeeeceeeceeeeeueeeeneeeeeeeeaeeeaeeseeseeeeees 31 5 COMMUNICATION Protocol a cp ccanencnntansenscanteeninniensasinescanenniannpnnhesviamanniend aaa a a 33 86 1 General 6 2 Interface Pin out Definition ccie irc eeeeeree area area eresia 33 Ef the pat co je 6 MR RR SR SRA E RR DR RR 33 6 4 Protocol Prefix Usage caecos neeaae cave ncceenas EENEN EEEN tes 34 6 5 Codes for the Keypad aspas ais atcacteetansvinvacdes AEE EA aE E E ENS EEN a dica 35 ER qse o A T RAD DRE O RR DA P 36 STL SEVICE anrea 136 7 2 Software Upgrade Service 36 A DDENCIX ias E A E E a Pau E E E E E TT 37 IDiytool com TDS 100H Handheld Ultrasonic Flowmeter 1 1 Introduction 81 1 Preface Welcome to the TDS 100H ultrasonic flowmeter that has been manufactured with patent technologies and is equipped with more functions and advanced performance than our previous versions The ultrasonic flowmeter has been upgraded based on the previous ultrasonic flowmeter which is still the main product line of the company The new Version retains most of the excellent features and functions of the previous versions the pulse measurement technology the ultrasonic igniting and the small signal receiving circuits etc The main improvements are made on the battery supply circuit and on the transmitting circuits All other ci
6. 30H 6DH 33H 20H ODH OAH then PDI CR would retum 1234567E 0m3 F7 CR LF acts as the starter of check sum which is yielded by adding up the string 2BH 31H 32H 33H 34H 35H 36H 37H 45H 2BH 30H 6DH 33H 20H Please note that there will be SPACES 20H before IDiytool com TDS 100H Handheld Ultrasonic Flowmeter 35 2 Prefix W The prefix W should be used in the network environment The usage format is W digit string which stands for the IDN basic command The digit string should have a value between O and 65534 except 13 0DH 10 OAH 42 2AH 38 26H amp For example if the IDN 12345 instrument is addressed and returning the velocity of that instrument is requested the command will be W 12345DV CR 3 Prefix N The prefix N is a single byte IDN network prefix not recommended in a new design It is reserved only for the purpose of the compatibility with the former versions 4 Command Connector amp The amp command connector can connect up to 6 basic commands to form a longer command so that it will make the programming much easier For example assume that the measurement of an instrument with IDN 4321 are going to be returned and then all the following 3 values 1 flow rate 2 velocity 3 POS totalizer will be returned simultaneously The combined command would be W4321DQD amp DV amp DI CR and the result would be 1 234567E 12m3 d CR 3 1235926E 00m s CR 1
7. Pulse under window M77 INT stands for totalized 4 17 Howto produce an alarm signal There are 2 types of hardware alarm signals that are available with this instrument One is the Buzzer and the other is the OCT output Both for the Buzzer and OCT output the triggering sources of the event include the following 1 Alarms on when there is no receiving signal 2 Alarms on when there is poor signal received 3 Alarms on when the flow meter is not in normal measurement modes 4 Alarms on reverse flow 5 Alarms on the overflow of the Frequency Output 6 Alarms on when the flow is out ofa designated range set by the user There are two out ofnormal range alarms in this instrument They are called 1 Alarm and 2 Alarm The flow range can be user con figurabl e through M73 M74 M75 M76 For example assume that the Buzzer should start beeping when the flow rate is less than 300 m h and greater than 2000m h the following steps for setups would be recommended 1 Enter 300 under M73 for 1 alarm low flow rate 2 Enter 2000 under M74 for 1 alarm high flow rate 3 Select the item reading like 6 Alarm 1 under M77 4 18 How to use the built in Buzzer The built in buzzer is user configurable It can be used as an alarm Use M77 for setups IDiytool com 28 TDS 100H Handheld Ultrasonic Flowmeter 4 19 Howto use the OCT output The OCT output is user configurable which can be performed by selec
8. Ratio between the Measured Total Transit Time and the Calculated time If the pipe parameters are entered correctly and the transducers are properly installed the ratio value should be in the range of 100 3 Otherwise the entered parameters and the transducer installation should be checked Displays the estimated fluid sound velocity If this value has an obvious difference with the actual fluid sound speed pipe parameters entered and the transducer installation should be checked again M93 Displays total transit time and delta time transit time difference IDiytool com FE M80 ate totali zer ot used zZ zZ 22 TDS 100H Handheld Ultrasonic Flowmeter Displays the Reynolds number and the pipe factor used by the flow rate program Not used M Notused o built in data logger or to RS 232C serial interface Command to record the diagnostic information either to the built in data logger or to RS 232C serial interface Command to copy the current display either to the built in data logger or to RS 232C serial interface Browse the 64 recorded instrument power on and power off date and time Command to record the pipe parameters entered by the user either to the with the flow rate at the time of power on and off Displays the last power off date and time Displays the last power off flow rate Displays the times of instrument powered on the instrument has been powered on ES A scientific calculator for
9. eccereemeeneeaercrrsasereasastsesaanasrsrasassntaoo 24 4 4 How to select a required flow rate unit ii eee eeeeaaeeeeeeaae 24 IDiytool com TDS 100H Handheld Ultrasonic Flowmeter 3 4 5 How to use the totalizer multiplier n sessserrsreereeressseroerereeeeesessnnrnsssreverssesssrserees 24 84 6 How to open or shut the totaliZe1s io sacivi sseniiesdsesnnasestantiinsdsccsvesesiivnisnsiivebiivedesdsscbesiey 25 4 7 How to reset the totalizers ccceccceecccneeceeeceeeeeeeeaeeeeaeeeeaeceeeeecseecseeeaeeeaeeenes 25 4 8 How to restore the flow meter with default setups ar29 84 9 How touse the damper usenanaenanaras oupannniendnauinnsdeswasminnienvansicetaanenagnpniaataasensianniecions 25 4 10 How to use the zero cuto ff function ci irei ceree aerea 25 SA Li Howto SCRIP A Zero POE 04 cs casseccysedeseesdesdedeasssdeseotedoosenecsuusenteniitestesestesiaveds 25 4 12 How to get a scale factor for calibration ccceeeeeeeeseeceeeeeeeeeeueeeeeeeaeneeeeeaee 25 4 13 How to use the operation locker ccccccecccee cess eneeeeeeeeeeeeeseeeeeeeeeeeeeeseeeseeenaes 26 4 14 How to use the built in data logger cseceserescenerssersreneasasnsesaansseseasastocadas 26 4 15 How to use the Frequency Output cccc cee csseeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeesenaes 26 4 16 How to use the Totalizer Pulse Output ceeeeeereeereeeeeeeeee
10. s Sound speed Water 200 Water 2250 Water 2600 Ethanol Alcohol Butanone Acetaldehyde Water 125 C 1511 O Diesel 1385 y 2 Sound speed data of solid unit m s Sound speed Liner Material 3206 2266 sO 2270 E 2270 3230 3275 7950 oe o o 2540 E Note Please contact with the manufacturer for other sound speed data IDiytool com 38 TDS 100H Handheld Ultrasonic Flowmeter 3 Sound speed in water at atmosphere pressure Unit t Deg C v m s o ees as meo oo mes 06 5 1 5 en ao seo ss sera oo e e vos av isms se ee o ia o ees ao Pisin oe 00 os isso o ee a rin so lisoa o fia Co ure as isor eo lisos es fiee Ca uaa as seio ot Liss ee sea a ues as ira o o e o Cs ua 60 ie o lia oo fios e uma a ioa 66 ia ot ee Ce mso isas oe lisses os iss Co es a isao oo sao o fis ai iasa as Pon n sao oo fisia Ca umi oe iso a lisso os fisar ae see oo ro 14 ies 0 IDiytool com
11. shortened as the M key afterward when referring to the menu windows The key is for the power on The key is for the power off 2 4 Menu Windows The user interface of this flow meter comprises about 100 different menu windows that are numbered by M00 M01 M02 M99 There are 2 methods to enter certain menu window 1 Direct going entering The user can press the key followed by two digit number keys For example the menu window M11 is for the entering of pipe outer diameter The display will go to the M11 menu window after the user presses E AA 2 Pressing and EZ keys Each time of the key pressing will proceed to the IDiytool com 8 TDS 100H Handheld Ultrasonic Flowmeter lower numbered menu window For example ifthe current window is on M12 the display will go to the number M11 window after pressing the key There are three different types of menu windows 1 Menu windows for number entering like M11 for the entering of pipe outer diameter 2 Menu windows for option selection selecting options like M14 for the selection of pipe materials 3 Displaying windows only like MOO to display Velocity Flow Rate etc For number entering windows the user can directly press the starting digit key when the user is going to modify the value For example when the current window is on M11 and the user is going to enter 219 2345 as the pipe outer diameter the user can get the numbers entered by pressing
12. 234567E 0m3 CR 6 5 Codes for the Keypad The codes for the keypad should be used when the instrument is connected with other terminals that operate the instrument by transmitting the M command along with the keypad code By this function remote operation of this instrument can be realized even via the Internet Key code E code Key code code Code sm sH sH 2 om a 4 om E 6 sm am fn 7 m o IDiytool com 36 TDS 100H Handheld Ultrasonic Flowmeter 7 Service 7 1 Service The manufacturer provides instrument installation for our customers and the charges will be made according the cost 1 For any hardware failure of the instrument we recommend that our customers send back the instrument to our factory for service due to the fact that the instrument is made of microprocessors and it will be difficult to perform field maintenance Before sending back the instrument please try to contact the factory first to make sure what the problem is For other operational problems please contact our service department by telephone fax or email and internet In most cases the problem could be solved immediately 7 2 Software Upgrade Service We provide free of charge software upgrade services Please contact the factory for any lately developed software IDiytool com TDS 100H Handheld Ultrasonic Flowmeter 37 Appendix 1 Sound speed data of liquid unit m
13. M53 4 4 4 4 4 4 6 6 IDiytool com TDS 100H Handheld Ultrasonic Flowmeter 21 M68 Enter a flow rate value that corresponds to lower frequen M69 Enter a flow Rate value that corresponds to higher frequency LCD display backlight control The entered value indicates how many seconds the backlight will be on with every key pressing LCD contrast control The LCD will become darker when a small value is entered Working timer It can be cleared by pressing ENT key and then select YES Enter Lower Flow Rate value that will trigger the 1 Alarm There are two virtual alarms in the system By virtual we mean that the user must redirect the output of the alarms by setuping the output hard ware in M78 and M77 Enter the higher flow rate value that will trigger the 1 Alarm Enter the lower flow rate value that will trigger the 2 Alarm Enter the higher flow rate value that will trigger the 2 Alarm Buzzer setup If a proper input source is selected the buzzer will beep when the trigger event occurs OCT Open Collect Transistor Output setup M78 By selecting a proper input source the OCT hardware will close when the trigger event occurs M79 Not used Work as a keypad and display for another handheld set by RS 232 connected with the handset M81 ot used M82 M83 ot used M84 ot used M85 M86 ot used M87 ot used 88 ot used 89 ot used Display signal strength signal quality time ratio on the upper right corner Displays the Time
14. TDS 100H Handheld Ultrasonic Flowmeter TDS 100H Handheld Ultrasonic Flowmeter User manual ULTRASONC FLOWNrTER IDiytool com 20 s TDS 100H Handheld Ultrasonic Flowmeter Contents Ws MOG SCOR ss ia AE E AE E E E E EE E sameunaet 1 A E y ARAE VIELES L E EE AEAN Saucon ween oie E ASEO AERE SE N PAEA E 1 SLA Man FO a A AA AAE AEE 1 1 3 Principle of MEaSUPEMENt 5 05csssieersnoorsaisesecentacsneseadeniensseoctsssosetoracenveevesseseoseiees 2 1 4 Packing List Standard Configuration ond SD PLONE VIEW assina neto dcadiacnadencue tee adiada dae sinapses as Loans sn espe nad goias 3 SIG Typical Applications hersenen ranei nenon ere Cene Ee aE EEA TE rE EESTE a R RS 4 1 7 Data Integrity and Built in Time Keeper c 000sseeservctnesnssneeaesnsanaceesnsoensesaensoes 4 S18 Product Identification oinas r a A a a 4 SOs S ee a Ca E n E S E asa nlbeua ad 5 2 Starting Measurements cccsseseccsqeaNsnsueceuesiseasensndsedsonbasedgeavansitentwaveyodeteenpertenacwaassenndeececet 6 2 1 Built in Battery 6 S22 POWT OM oie tiscracsuthcahecwperiisetandecdes Ds pd a eea EEIE OISE ety 6 82 3 Keypad s coses sie cgvngcanessideasves E SEE RE E EAE e aN E T S24 MERU WNION aare EA A E a 7 2 3 Steps to Configure the Parameters sis sc 00ssecteseeeetetantovwaweseesesedacanesiatinadvaseessideasiier 8 2 6 Transducers Mounting Allocation ccccsseesecceesceseeesceeneneereeseneeseeseuseeseenens 9 2 7 Transduc
15. Temporary problems System RAM Error with RAM RTC Date Time Error CPU or IRQ Error ROM Parity Error 1 power on again 2 Permanent problems 2 contact factory with hardware Instrument is in the progress of adjusting the gain for the Adjusting Gain signal and the number indicates the progressive steps 1 Relocate where the pipe is full of liquid 2 Enter 0 on M29 1 No liquid inside pipe Empty pipe 2 Setup error on M29 5 3 Other Problems and Solutions 1 When the actual flow inside the pipe is not standstill but the instrument displays 0 0000 for the flow rate and R displaying signal strength and the signal quality Q value has a satisfactory value The problems are likely caused by the user who has used the Set Zero function on this non standstill flowing pipe To solve this problem use the Reset Zero function on menu window M43 2 The displayed flow rate is much lower or much higher than the actual flow rate in the pipe under normal working conditions a There is probably an offset value wrongly entered by the user in M44 Enter 0 in M44 b Problem with transducer installation c There is a Zero Point Try to zero the instrument by using M42 and make sure that the flow inside the pipe should be standstill IDiytool com 32 TDS 100H Handheld Ultrasonic Flowmeter 3 The battery can not work as long as the time period as indicated by M07
16. a b d Battery should be replaced due to the end of the service life Newly changed battery does not fit the battery estimating software Customizing the battery with the software should be taken Please contact the factory The battery has not been fully recharged or the recharge has been stopped too many times halfway There is indeed a time difference between the actual working time and the estimated one especially when the terminal voltage is in the range 3 70 and 3 90 volt Please refer to battery voltage for a closer estimated working time IDiytool com TDS 100H Handheld Ultrasonic Flowmeter 33 6 Communication Protocol 6 1 General The TDS 100H ultrasonic flow meter integrates a standard RS 232 communication interface and a complete set of communication protocols that are compatible with that of the Fuji s ultrasonic flow meter 6 2 Interface Pin out Definition Pin for battery recharge positive input RXD TXD not used GND OCT output not used for battery recharge negative input RING input for connecting a MODEM Dolar 86 3 the Protocol The protocol is comprised of a set of basic commands that is a string in ASCII format ending with a carriage CR and line feed LF Commonly used commands are listed in the following table d dddddd dd CR LF dddddadE dA CR LF dddddadE dA CR LF dddddddE d CR LF M CR Send a key value as ifa key is press
17. al totalizer Press ENT key to start and stop the totalizer IDiytool com TDS 100H Handheld Ultrasonic Flowmeter 29 4 26 How to know how long the battery will last Use M07 to check how long the battery will last Also please refer to 2 1 4 27 How to charge the built in battery Refer to 2 1 4 28 How to check the ESN and other minor details Every set of the TDS 100H flow meter utilizes a unique ESN to identify the meter The ESN is an 8 digit number that provides the information of version and manufacturing date The user can also employ the ESN for instrumentation management The ESN is displayed in window M61 Other details about the instrument are the total working hours displayed in window M 1 and the total power on times displayed in window M 4 IDiytool com 30 TDS 100H Handheld Ultrasonic Flowmeter 5 Troubleshooting 5 1 Power on Error Displays and Counter Measures The TDS 100H ultrasonic flow meter provides an automatic power on diagnosis for the hardware problems When any message with the power on in the following table displays counter measures should be taken Error message Causes Counter measures ROM Testing Error i 1 Power on again Problem with the software Segment Test Error 2 Contact with factory When this message displays the The parameters entered by the user should press ENT key and all user lose integration the configuration will be restored to Stored Data Error
18. are retained in the built in non volatile flash memory that can store them for over 100 years even if power is lost or turned off Password protection is provided to avoid inadvertent configuration changes or totalizer resets A time keeper is integrated in the flow meter for the index of date totalizing and works as the time base of flow accumulation It keeps operating as long as the battery s terminal voltage is over 1 5V In case of battery failure the time keeper will not keep running and it will lose proper time values The user must re enter proper time values in case the battery becomes totally exhausted An improper time value affects no other functions but the date totalizer 1 8 Product Identification Each set of the TDS 100H has a unique product identification or ESN written into the software that can only be modified with a special tool by the manufacturer In case of any hardware failure please provide this number which is located on menu window number M61 when contacting the manu facture IDiytool com TDS 100H Handheld Ultrasonic Flowmeter 5 1 9 Specifications Accuracy fte of reading atraes gt 0 2mps ess emama gt gt gt Totalizer 7 digit totals for net positive and negative flow respectivel Security Setup values Modification Lockout Access code needs unlocking RS 232 baud rate from 75 to 57600 Protocol made by Communication the manufacturer and compatible with that of the FUJI Interface ultr
19. asonic flow meter User protocols can be made on enquiry Tansd er Cord Standard 5m x 2 optional 10m x 2 Length 3 AAA built in Ni H batteries When fully recharged it will Power Supply last over 12 hours of operation 100V 240VAC for the charger 7 digit press key to go totalizer for calibration Housing Materia ass O O OOS SyS IDiytool com 6 TDS 100H Handheld Ultrasonic Flowmeter 2 Starting Measurement 2 1 Built in Battery The instrument can operate either from the built in Ni H rechargeable battery which will last over 12 hours of continuous operation when fully recharged or from an external AC power supply ftom the battery charger The battery charging circuits employ a scheme of constant current and constant voltage It has a characteristic of fast charging at the beginning and very slow charging when the battery approaches to full recharge Generally when the green LED starts coming on the battery would be nearly 95 recharged and when the red LED is off the battery would be 98 recharged Since the charging current becomes tapered when the battery recharge is nearly completed i e the charging current becomes smaller and smaller therefore there should be no over recharging problem That means the charging progress can last very long The charger can be connected to the handset all the time when an around the clock measurement is required When fully recharged the terminal voltage reaches around 4 25V
20. ed LCD CR Return the current window display Po IDiytool com 34 TDS 100H Handheld Ultrasonic Flowmeter FOdddd CR Force the FO output with a frequency in dddd Hz ESN CR Retum the ESN for the instrument Dddddddd CR LF RING CR Handshaking Request by a MODEM Po OKC Response fom a MODEM Command for GSM messaging Please contact factory for detail DUMP CR Retum the buffer content In ASCII string format DUMPO CR Clear the whole buffer In ASCII string format DUMPI CR Return the whole buffer content In ASCI string Format 24KB in length Prefix before an Identification Number in a network environment The IDN is a word ranging 0 65534 Prefix before an Identification Number in a network environment The IDN is a single byte value ranging 00 255 amp Command connector to make a longer command by combining up to 6 commands Notes CR stands for Carriage Return and LF for Line Feed d stands for the 0 9 digit numbers O stands for the key value e g 30H for the 0 key 6 4 Protocol Prefix Usage 1 Prefix P The prefix P can be added before any command in the above table to have the returning data followed with two bytes of CRC check sum which is the adding sum of the original character string Take the DH CR command as an example Assume that DI CR would return 1234567E 0m3 CR LF the string in hexadecimal is 2BH 31H 32H 33H 34H 35H 36H 37H 45H 2BH
21. eeeeerererererenes 27 4 17 How to produce an alarm signal cucsnccssseseinesvasccvesesadensasearenvededvesdsudeensadonsscedionss 27 4 18 How to use the built in Buzzer papuensis annie NAE PNE EAE Kr ENADE ASE 27 4 19 How touse the OCT Outputs iicccccscivecensoosechsteasetieusoesedhscesenetmenvesvugseeseseccweiees 28 4 20 How to modify the built in calendar s ccccccvesecvesssssetectensenvesessuetectesensssonsonvectnes 28 4 21 How to adjust the LCD contrast m 4 22 How to use the RS232 serial interface seseesesoreerssrssrrsrossreeercsrsersirsreserseresreerees 28 4 23 How to view the Date Totalizers cccceeeeccceeeceeecaeeecueeeeeeeeaeeecaeeeaeeeaeeeaeeeees 28 4 24 How to use the Working Timer esmunssersensceseniartrepesasanieastantess un meipens aonde nine pastas 28 4 25 How to use the manual totalizer ccceeeceeeeeeeeeeeecueeecueeeeeeeeeeeaeeeaeeeeaeeeeeeaes 28 84 26 How to know how long the battery will last ccceceeeeeeeceeeeeeeeeeeeeseeeeeeeeeeneaes 29 4 27 How to charge the built in battery 0 0 0 0 cccccccsesseeeeecceseeseeeeeeeneeseeeesesssseeuees 29 4 28 How to check the ESN and other minor details ceceeeeeeeceeeeeceeeeueeeneeeeeeeeees 29 D ETOUDLESHOOUM Es ciao see ond scdeeeea ee aee a e E R aA E E EE SEE EE 30 5 1 Power on Error Displays and Counter Measures 00ccccccecceeeeeeeeeeeeseeeeeeeseenanes 30 5 2 Error Code and Counter Measures
22. er numbers will prevent the instrument from acting quickly Numbers 0 to 10 are commonly used for the damper value 4 10 How to use the zero cutoff function The number displayed in window M41 is called the low cutoff value The flow meter will replace these flow rate values that are absolutely less than the low cutoff value with 0 This means the flow meter will avoid any invalid accumulation when the actual flow is below the zero cutoff value The low cutoff value does not affect the flow measurement when the actual flow is absolutely greater than the low cutoff value 4 11 How to setup a zero point There exists a Zero Point with certain installation which means the flow meter will display a non zero value when the flow is absolutely stopped In this case setting a zero point with the function in window M42 will bring a more accurate measurement result Make sure that the flow is absolutely stopped then run the function in window M42 by pressing the key 4 12 How to get a scale factor for calibration A scale factor is the ratio between the actual flow rate and the indicated value by the flow meter The scale factor can be determined by calibration with flow calibration equipment IDiytool com 26 TDS 100H Handheld Ultrasonic Flowmeter 4 13 How to use the operation locker The system locker provides a means of preventing inadvertent configuration changes or totalizer resets When the system is
23. ers Installation caicesccicchedaclstch dec tacdacuapseevians hadentectondeeteadanesuctboedeveecdancsecees 10 S2 1 1 Transducers SPACE qa serpente d pano eiken reid n R Eon A eE DAINe 11 2 7 2 V method Installation aaae R asesanquaiacis 11 27 3 Z method Install ation egoerearen REAA A EARR aS 12 2 7 4 W method Installation sessssvesisisnisscssorir irererios ossosa ikore tnetis urines kaeaea 12 82 7 5 N method Installation 2ccas lt svessacnascavaeetasteoncagssanededonscenagndevenetevensgnntedscuces 12 2 8 Installation Checkup a cas suescatennsctnenassedadlannecbiunivestiandgndien E REAA ERRESA 13 32 8 1 Signal Stiren sth soseen peuso erae u oa ER EE ENERE EE Eea 13 92 8 2 Signal Quality sicesgenisso tin oee e E Ea a a ee 13 2 8 3 Total Transit Time and Delta Time cceeeeeeeeeeeeeeeeeeeeeneeeeaeeeeeeeeneeeeaeees 13 2 8 4Time Ratio between the Measured Total Transit Time and the Calculated Time 14 Se Menu Window GEA a ici cutevdinecenasrwnanhinbissnemictvermnucadapudgietceanionredmuadiadeaiieiveacadiadvadauss 15 3 1 Menu Windows Atran gem ent cacsenisasssssesensis canipanseaptasitoeto riasain e i e NES 15 3 2 Menu Window Details do HOW DO capa isa ate RER ERO A e aae a e 24 4 1 How to judge if the instrument works properly iiii ie 24 4 2 How to judge the liquid flowing direction cccceseeeeeeeeeeeeeeeeeeeeeeeseeeeeeeeeeeeaes 24 4 3 How to change between units systems
24. eters are entered correctly and the transducers are installed properly the value for this ratio should be in the ran ge of 1003 If this range is exceeded the user should check a 2 3 4 5 Ifthe pipe parameters are correctly entered Ifthe actual spacing of the transducers is right and the same as what the window M25 shows Ifthe transducers are installed properly in the right directions If the mounting location is good and if the pipe has changed shape or if there is too much fouling inside the pipes Other poor conditions IDiytool com TDS 100H Handheld Ultrasonic Flowmeter 15 3 Menu Window Details 3 1 Menu Windows Arrangement MO00 MO09 windows for the display of the flow rate velocity date time totalizers battery voltage and estimated working hours for the battery M10 M29 windows for entering the pipe parameter M30 M38 windows for flow rate unit selections and totalizer unit selections M40 M49 windows for response time zeroing calibration and modification password setup M50 M53 windows for the built in logger M60 M78 windows for time keeper initialization version and ESN information viewing and alarms M82 window for viewing date totalizer M90 M94 are diagnostic windows for a more accurate measurement M97 M99 are not windows but commands for the outputting of display copying and pipe parameter setups M 0 M 8 are windows for some additional functions including a scientific calculato
25. f there is no liner 5 Press key to enter M20 window press ENT key to enter the option selection mode use keys A and to scroll up and down to the proper liquid and then press key 6 Press key to enter M23 window press ENT key to enter the option selection mode use keys A and to scroll up and down to the proper transducer type and then press key 7 Press key lv to enter M24 window press ENT key to enter the option selection mode use keys and to scroll up and down to the proper transducer mounting method and then press ENT key 8 Press key lv to enter M24 window to install the transducers on the pipe and then press key to go to MO1 for the results The first time users may need some time to get familiar with the operation However the user friendly interface of the instrument makes the operation quite easy and simple Before long the user will configure the instrument with very little key pressing since the interface allows the user to go to the desired operation directly without any extra steps The following tips will facilitate the operation of this instrument 1 When the window display is between MOO to M09 press a number key Lq the user will go directly to the MOx window For example ifthe current window displays M01 press 7 and the user will go to M07 2 When the window display is under MOO to M09 press the ENT key and the user will go to M90 press ENT key to return Press t
26. he M25 shows 2 8 2 Signal Quality Signal quality is indicated as the Q value in the instrument A higher Q value would mean a higher Signal and Noise Ratio short for SNR and accordingly a higher degree of accuracy would be achieved Under normal pipe condition the Q value is in the range 600 900 the higher the better Causes for a lower Q value could be 1 Interference of other instruments and devices such as a powerful transverter working nearby Try to relocate the flow meter to a new place where the interference can be reduced 2 Bad sonic coupling for the transducers with the pipe Try to apply more coupler or clean the surface etc 3 Pipes are difficult to be measured Relocation is recommended 2 8 3 Total Transit Time and Delta Time The numbers displayed on menu window M93 are called total transit time and delta time respectively They are the primitive data for the instrument to calculate the flow rate inside the pipe So the flow rate indication will vary accordingly with the total time and delta time The total transit time should remain stable or vary little If the delta time fluctuates higher than 20 it means there are certain kinds of problems with the transducer installation IDiytool com 14 TDS 100H Handheld Ultrasonic Flowmeter 2 8 4 Time Ratio between the Measured Total Transit Time and the Calculated Time This ratio would be used to check the transducer installation If the pipe param
27. he dot key to go to M11 3 When the window display is under M25 press ENT key to go to MOI 2 6 Transducers Mounting Allocation The first step in the installation process is the selection of an optimum location in order to obtain a more accurate measurement For this to be completed effectively a basic knowledge about the piping and its plumbing system would be advisable IDiytool com 10 TDS 100H Handheld Ultrasonic Flowmeter An optimum location would be defined as a straight pipe length full of liquid that is to be measured The piping can be in vertical or horizontal position The following table shows a y x q Upstream Downstream Piping Configuration Dimension Dimension and Lup Ldn T r ansduce r Pos i t i on x Diameters x Diameters L up Lan a a G 10D 5D o L up Ldn Sa es 1 IS 10D 5D Lup Lan er 8 10D 5D N Lup Ldn Fi SA 12D 5D Lup L dn ae 20D 5D SS ae Lup Lan Sl 20D 5D g Lup i Ldn l B 30D 5D ra Z Examples of optimum locations Principles to selection of an optimum location a 2 3 4 Install the transducers on a longer length of the straight pipe The longer the better and make sure that the pipe is completely full of liquid Make sure that the temperature on the l
28. llation Rarely used method IDiytool com TDS 100H Handheld Ultrasonic Flowmeter 13 2 8 Installation Checkup Through the checkup of the installation one can check the receiving signal strength the signal quality Q value the traveling time difference of the signals the estimated liquid speed the measured traveling time of the signals and the calculated traveling time ratio Therefore optimum measurement result and longer running time of the instrument can be achieved 2 8 1 Signal Stren gth Signal strength indicates the amplitude of receiving ultrasonic signals by a 3 digit number 000 means there is no signal detected and 999 refers to the maximum signal strength that can be received Although the instrument works well if the signal strength ranges from 500 to 999 stronger signal strength should be pursued because a stronger signal means a better result The following methods are recommended to obtain stronger signals 1 Relocate a more favorable location if the current location is not good enough for a stable and reliable flow reading or ifthe signal strength is lower than 700 2 Try to polish the outer surface of the pipe and apply more coupler to increase the signal strength 3 Adjust the transducers both vertically and horizontally while checking the varying signal strength stop at the highest position and then check the transducers spacing to make sure the transducers spacing is the same as what t
29. locked menu window browsing can be done without affecting any change but any modifications are prohibited The system can be locked without a password or with a one 1 to 4 digit password With a no password locking directly press the ENT key when the password input prompt displays Ifthe password is forgotten please contact the factory 84 14 How to use the built in data logger The data logger has a space of 24K bytes of memory which will hold about 2000 lines of data Use M50 to turn on the logger and for the selection for the items that is going to be logged Use M51 for the times when the logging begins and at how long an interval sustains and how long the data logging will last Use M52 for the direction of logging data The default setting will permit the logging data to be stored in the logger buffer Logging data can be redirected to the RS 232C interface without being stored into the logger buffer Use M53 to view the data in the logger buffer Dumping the logging data through the RS 232C interface and the clearing of the buffer can be operated with a function in window M52 4 15 How to use the Frequency Output There is a Frequency Output in all TDS 100 series flow meters This frequency output signal which represents the flow rate is intended to connect with other instruments The Frequency Output is totally user configurable Generally four parameters should be configured for the setups Enter the lower flow rate
30. meter shortfor m3 Liter D USA galon gal Imperial Gallon igl Million USA gallon mgl Cubic feet cf USA liquid barrel bal Imperial liquid barrel ib Oil barrel ob 1 SANDM EW YN MS M30 M3 The flow unit in terms of time can be per day per hour per minute or per second So there are 36 different flow rate units in total for selection Window for selecting the totaliziers working unit The multiplier ranges from 0 001 to 10000 1 Totalizer reset M3 2 Restore the instrument to the default parameters as the manufacturer did by pressing the dot key followed by the backspace key Take care or make note 7 on the parameters before doing the restoration Press a key to run or to stop totali r for easier calibration jm Operational interface language selection in Chinese and English This 9 selection makes it possible that more than 2 billions of people on the world can read the menu 0 means there is no damping Default value is 10 seconds 3 M3 M Lower flow rate cut off to avoid invalid accumulation 1 M2 M M 42 Zero point setup under the condition when there is no liquid running inside Clear the zero point set by the user and restore the zro point set by the IDiytool com 20 TDS 100H Handheld Ultrasonic Flowmeter Set up a manual flow bias Generally this value should be 0 Scale factor for the instrument The default value is 1 Keep this value as 1
31. n on the international flow meter market 1 2 Main Features Large screen LCD Non contacting measuring Built in data logger Built in rechargeable battery High accuracy measuring Wide measuring range IDiytool com 2 TDS 100H Handheld Ultrasonic Flowmeter Small and light RS 232 serial interface 1 3 Principle of Measurement The TDS 100H ultrasonic flowmeter is designed to measure the fluid velocity of liquid within a closed conduit The transducers are a non contacting clamp on type which will provide benefits of non fouling operation and easy installation The TDS 100H transit time flowmeter utilizes two transducers that function as both ultrasonic transmitters and receivers The transducers are clamped on the outside of a closed pipe at a specific distance from each other The transducers can be mounted in V method where the sound transverses the pipe twice or W method where the sound transverses the pipe four times or in Z method where the transducers are mounted on opposite sides of the pipe and the sound crosses the pipe once This selection of the mounting method depends on pipe and liquid characteristics The flow meter operates by alternately transmitting and receiving a frequency modulated burst of sound energy between the two transducers and measuring the transit time that it takes for sound to travel between the two transducers The difference in the transit time measured is directly and exactly related to
32. nic Flowmeter 7 When new pipe parameters have been entered or when the power has been just switched on the flow meter will enter an adjusting mode to make the signals magnified with proper amplification By this step the flow meter is going to find the best threshold of receiving signal The user will see the progress by the number 1 2 or 3 which are indicated on the right lower corner of the LCD display When the transducers have been adjusted on the pipe by the user the flow meter will re adjust the signal automatically Any user entered configuration value will be retained into the NVRAM ofthe flow meter until it is modified by the user 2 3 Keypad The keypad for the operation of the flow meter has 16 2 keys as shown by the right picture Keys ol 9 ana L are keys to enter numbers Key is the going UP key when the user wants to go to the upper menu window It also works as the key when entering numbers Key is the going DOWN key when the user wants to go down sided menu window It also works as the key when entering numbers Key is backspace key when the user wants go left or wants backspace the left character that is located to the left of the cursor Key is the ENTER key for any inputting or selections Key is the key for the direct menu window jump over Whenever the user wants to proceed to a certain menu window the user can press this key followed by 2 digit numbers The MENU key is
33. ocation does not exceed the range for the transducers Generally speaking the closer to the room temperature the better Take the pipe fouling into consideration Select a straight length ofa relatively newer pipe If the condition is not satisfying consider the fouling thickness as part of the liner for a better result Some pipes have a kind of plastic liner and between the outer pipe and the liner there may be a certain thickness difference that will prevent the ultrasonic waves from direct traveling Such conditions will make the measurement very difficult Whenever possible try to avoid this kind of pipes Ifimpossible try our plug in transducers that are installed permanently on the pipe by drilling holes on the pipe while liquid is running inside 2 7 Transducers Installation The transducers used by the TDS 100 series ultrasonic flow meter are made of piezoelectric crystals both for transmitting and receiving ultrasonic signals through the wall of liquid piping system The measurement is realized by measuring the traveling time difference of the ultrasonic IDiytool com TDS 100H Handheld Ultrasonic Flowmeter 11 signals Since the difference is very small the spacing and the alignment of the transducers are critical factors to the accuracy of the measurement and the performance of the system Meticulous care should be taken for the installation of the transducers Steps to the installation of the transducers 1 Locate an
34. optimum position where the straight pipe length is sufficient and where pipes are in a favorable condition e g newer pipes with no rust and ease of operation 2 Clean any dust and rust For a better result polishing the pipe with a sander is strongly recommended 3 Apply adequate coupler to the spot where the transducers are to be installed and leave no gap between the pipe surface and the transducers Extra care should be taken to avoid any sand or dust particles left between the pipe outer surface and the transducers To avoid gas bubbles inside the upper part of the pipe the transducers should be installed horizontally by the side of the pipe 2 7 1 Transducers Spacing The spacing value shown on menu window M25 refers to the distance of inner spacing between the two transducers The actual transducers spacing should be as close as possible to the spacing value 2 7 2 V method Installation V method installation is the most widely mode for daily measurement with pipe inner diameters ranging from 15 mm to 400 mm It is also called reflective mode Upstream Transducer A Downstream Transducer Transducers Spacing IDiytool com 12 TDS 100H Handheld Ultrasonic Flowmeter 2 7 3 Z method Installation Z method is commonly used when the pipe diameter is above 200mm 2 7 4 W method Installation W method is usually used on plastic pipes with a diameter from 15mm to 50mm 2 7 5 N method Insta
35. r viewer on records such as total working hours turn on and turn off times dates and times when the flow meter has been turned on or turned off Other menu windows such as M88 have no functions or functions were cancelled because they are not applied to this version of the software The major reason why the menu windows are arranged in this way is that the software programmer hopes that the menu window arrangement for this version can be compatibility with the previous versions of the flow meter software This will make it easier for the former version users with this flow meter series 3 2 Menu Window Details Menu window Function No Display three positive negative net totalizers signal strength signal quality and working status Display POS totalizer flow rate velocity signal strength signal quality and working status working status Display NET totalizr flow rate velocity signal strength signal quality and working status Display date and time flow rate signal strength signal quality and working om Display NEG totalizr flow rate velocity signal strength signal quality and M01 M02 M03 04 status IDiytool com 16 TDS 100H Handheld Ultrasonic Flowmeter M05 Display date and time velocity signal strength signal quality and working status IDiytool com TDS 100H Handheld Ultrasonic Flowmeter 17 Display the wave shape of the receiving signal Display the battery terminal voltage and it
36. rcuits are simply integrated into this new version without major modifications due to the fact that we have already applied the most advanced measurement technologies and attained a more reliable model of ultrasonic flow meter TDS 100H flowmeter incorporates the latest ICs manufactured ftom the famous semiconductor manufacturers like Philips Maxim TI Winbond and Xilinx The hardware features the ease of operation high accuracy and outstanding reliability while the software provides a very friendly user interface and much more functions It employs a patent balanced lower voltage multi pulse igniting circuit which increases the anti interference ability magnificently so that the flow meter will work properly even in demanding industrial environments such as those with power frequency transverter working nearby Other outstanding features the signal receiving circuits feature sel f adapting performance so as to ensure that the user can easily operate the instrument without any adjustment the built in rechargeable Ni H battery can work continuously for more than 12 hours without recharging The advanced circuit design the integration of the latest semiconductors the user friendly software interface both in English and Chinese languages and small sized PCB board all these features combine to make the TDS 100H ultrasonic flowmeter the best and the biggest seller on the Chinese market Moreover it is gaining more and more recognitio
37. s estimated lasting time Display the all the detailed working status signal strength signal quality Display today s total flow velocity signal strength signal quality and working status Window for entering the outer diameter of the pipe 0 to 6000mm is the allowed range of the value Window for entering pipe wall thickness Window for entering the inner diameter of the pipe Window for selecting pipe material Standard pipe materials that the user need not know the speed include 0 carbon steel 1 stainless steel 2 cast iron 3 ductile iron 4 copper 5 PVC 6 aluminum 7 asbestos 8 fiberglass mos Mo mos M15 Window for entering the pipe material speed only for non standard pipe materials Window for selecting the liner material select none for pipes without any liner Standard liner materials that the user need not know the speed include 1 Tar Epoxy 2 Rubber 3 Mortar 4 Polypropylene 5 Polystryol 6 Polystyrene 7 Polyester 8 Polyethylene 9 Ebonite 10 Teflon Window for entering the liner material speed only for non standard liner materials Window for entering the ABS thickness of the inside wall of the pipe Window for selecting fluid type For standard liquids that the user need not know the liquid speed include 0 Water 1 Sea Water 2 Kerosene 3 Gasoline 4 Fuel oil 5 Crude Oil 6 Propane at 45C 7 Butane at0C 8 Other liquids 9 Diesel Ol 10 Caster Oil 11 Peanut Oil 12
38. the following serial keys 9 C ENT For the option selection windows the user should first press the key to a selection modification mode and then select the relevant options by pressing the and Y keys or the digit keys to select the option with a number antecedent to the option In the end the ENT key must be pressed to make the selection For example with menu window M14 for the selection of pipe material selection the should be pressed first to enter this menu window ifthe current menu window is on a different window The pipe material is stainless steel which has a number 1 antecedent to stainless steel on the display the user should first press the key to enter into a selection modification mode then either make the selection by pressing the and keys to make the cursor on the line that displays 1 Stainless Steel or make the selection by pressing theL1 key directly Generally the key must be pressed to enter a modification mode If the Locked M47 Open message is indicated on the lowest line of the LCD display it means the modification operations is locked out In such cases the user should go to M47 to have the instrument unlocked first before any further modification can be made 2 5 Steps to Configure the Parameters The following parameters need to be configured for a proper measurem ent 1 Pipe outer diameter 2 Pipe wall thickness 3 Pipe materials for non standard pipe materials
39. the convenience of field working M 5 All the values are in single accuracy The drawback is that the user can t operate it by direct key pressing ot used ot used ot used ot used Entry to hardware adjusting windows only for the manufacturer IDiytool com TDS 100H Handheld Ultrasonic Flowmeter 23 IDiytool com 24 TDS 100H Handheld Ultrasonic Flowmeter 4 How To 84 1 How to judge if the instrument works properly When R is displayed in the lowest right corner of LCD display the instrument is working properly generally speaking If an H flashes on that place there could be poor signal received Please refer to the chapters on diagnosis Ifan P is displayed it means that there is no signal detected Ifa J is displayed it means that the hardware ofthis instrument could be out of order Refer to the chapter on diagnosis 4 2 How to judge the liquid flowing direction 1 Make sure that the instrument works properly 2 Check the flow rate for the indication If the displayed value is POSITIVE the direction of the flow will be from the RED transducers to the BLUE transducers if the displayed value is NEGATIVE the direction will be from the BLUE transducers to the RED transducers 4 3 How to change between units systems Use menu window M30 for the selection of unit system in English or Metric system 4 4 How to select a required flow rate unit Use menu window M31 to select the flo
40. the velocity of the liquid in the pipe show as follows Downstream transducer MD AT sn2 T up down TE Upstream transducer spacing ane Where 6 is the include angle to the flow direction M is the travel times of the ultrasonic beam D is the pipe diameter Tup is the time for the beam from upstream transducer to the downstream one Tdown is the time for the beam from downstream transducer to the upstream one AT Tup Tdown 1 4 Packing List Standard Configuration Check up the packing list carefully before installing IDiytool com TDS 100H Handheld Ultrasonic Flowmeter 3 RC RT o Cee RE a 1 5 Front view 1 1 1 1 IDiytool com 4 TDS 100H Handheld Ultrasonic Flowmeter 1 6 Typical Applications The TDS 100H flowmeter can be virtually applied to a wide range of measurements A variety of liquid applications can be accommodated ultra pure liquids potable water chemicals raw sewage reclaimed water cooling water river water plant effluent etc Because the instrument and transducers are non contacting and have no moving parts the flow meter can not be affected by system pressure fouling or wear Standard transducers are rated to 110 C Higher temperatures can be accommodated For further information please consult the manufacturer for assistance 1 7 Data Integrity and Built in Time Keeper All user inputted configuration values
41. ting the proper input source such as pulse output Use M78 for the setups Please make sure that the Frequency Output shares the OCT The OCT output shares pins with the RS 232C interface and the terminal is at Pin 6 and the ground is at Pin 6 4 20 How to modify the built in calendar No modification on the built in calendar will be needed in most cases The calendar runs on insignificant amount of power supply Modification will be required only in such cases as when the battery is totally consumed or when the changing of the battery takes a long time Press the ENT key under M61 for Modification Use the dot key to skip over these digits that need no modification 4 21 Howto adjust the LCD contrast Use M70 to the LCD contrast The adjusted result will be stored in the EEPROM so that the MASTER ERASE will make no effect on the contrast 4 22 How to use the RS232 serial interface Use M62 for the setup of the RS 232 serial interface 4 23 How to view the Date Totalizers Use M82 to view the date totalizers that are comprised ofa daily totalizer a monthly totalizer and a yearly totalizer 4 24 How to use the Working Timer Use the working timer to check the time that has passed with a certain kind of operation For example use it as atimer to show how long a fully charged battery will last Under M72 press ENT key and then select YES to reset the timer 4 25 How to use the manual totalizer Use M28 for the manu
42. value in window M68 and the higher flow rate value in window M69 Enter the frequency range in window M67 For example assume that the flow rate varies in a range 0m3 h to 3000m3 h and an output signal is at a maximum frequency of 1000Hz the minimum of 200Hz is going to be required for other instrumentation The user should enter 0 in M68 and 3000 in M69 and enter 200 and 1000 in window M67 Please note that the user has to make the selection with OCT setups in window M78 by selecting IDiytool com TDS 100H Handheld Ultrasonic Flowmeter 27 the 13 option reading like FO output to direct the frequency output to the OCT OUTPUT hardware device 4 16 How to use the Totalizer Pulse Output The totalizer output will produce a pulse output with every unit flow of the totalizer Refer 3 4 and 3 5 for the setups of the totalizer units and multiplier The totalizer pulse output can only be realized by mapping the pulse output to the OCT or BUZZER hardware devices For example assume that the POS totalizer pulse output is needed and every pulse should represent 0 lcubic meter of liquid flow the pulse output will be mapped to the internal Buzzer so that with every 0 1 cubic meter of flow the BUZZER will beep for a while The following setups should be taken performed 1 Select the unit Cubic Meter under window M32 2 Select the Multiplier as 2 X0 1 under window M33 3 Select the output option 9 POS INT
43. w unit first and then the timing unit 4 5 How to use the totalizer multiplier Use window M33 to select a proper totalizer Make sure that the totalizer pulse is appropriately speeded It should not be too fast and neither too slow A speed of producing a pulse in several seconds or minutes is preferable Ifthe totalizer multiplier is too small there can be a loss of accumulation pulse because the output device can output only one pulse in a measurement period 500milliseconds If the totalizer multiplier is too large the output pulse will be too fewer for the devices that are connected with the instrument for a quicker response IDiytool com TDS 100H Handheld Ultrasonic Flowmeter 25 4 6 How to open or shut the totalizers Use M34 M35 and M36 to turn on or turn off the POS NEG or NET totalizer respectivel y 4 7 How to reset the totalizers Use M37 to reset the proper totalizer 4 8 How to restore the flow meter with default setups Use M37 when the selection message is displayed Press the dot key first and the message Master Erase will display then press the backspace key The master erase step will erase all the parameters entered by the user and setup the instrument with default values 4 9 How to use the damper The damper acts as a filter for a stable reading If 0 is entered in window M40 that means there is no damping A bigger number brings a more stable effect But bigger damp
44. when no user calibration has been made Network environment Identification Number Any integer can be entered except 13 0DH carriage return 10 OAH line feeding 42 2AH 38 65535 Every set of the instrument in a network environment should have a unique 4 5 IDN Please refer to the chapter for communication System locker to avoid modification of the parameters Communication tester Option selection for the built in logger It also functions as the switch of Data logging direction control If To RS 232 is selected all the data produced by the data logger will be transmitted out through the RS 232 interface If To buffer is selected the data will be stored into the built in logger memory Buffer transferring and buffer clearing Logger buffer viewer It functions as a file editor Use Dot backspace UP and DN keys to browse the buffer If the logger is ON the viewer will automatically refresh once new data are stored 4 mss Nodused o O M57 Notued o O 0 99 year calendar Press ENT for modification Use the dot key to skip the digits that need no adjusting Mi Display Version information and Electronic Serial Number ESN that are unique for each TDS 100 series flow meter The users can employ the ESN for instrumentation management M67 Input the frequency range for the frequency output The biggest range is 0Hz 9999H z Default value is 1 1001 Hz M M M46 M47 M48 M49 M50 M52
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