Instruction Manual
Contents
1. FA Cell constant The lower display shows CEL and the upper display shows the last configured cell constant Press ENT key EJ Calibration factor The lower display shows FCt and the upper display shows the calibration factor based on the last conductivity calibration NOTE The upper display shows if the monitor has not been calibrated yet or the monitor has been reset to factory defaults Press ENT key to quit from electrode properties screen The monitor reverts to CdAt screen Press A or Y key to access other setup screens or press A and Y key simultaneously escape to return to measurement mode 24 Instruction Manual alpha CON 550 6 Technical Specifications General Specification Conductivity _ Measuring Range ga 0 00 20 00 pS cm _ 0 0 200 0 pS em 0 00 20 00 naan Relative accuracy System accuracy Resolution Relative accuracy ermano S e n S 0 Calibration Conductivity Number of callbration points T Calibration window Calibration standard solution window _ Temperature _ Display FE lectrical D Data and Con nections o _ Conductivity Input Connection terminal EMC Specifications __ Emission ne 0 1 mS cm _ R 1 of tul a u The effective measuring range and the total system accuracy depend on the sensor used with the monitor ml Please refer respective sensor documentation Temperature S Measuring range 10 0 to 12. Wall Mount EB Pierce through holes at both sides 2 Cover the catch slots at both sides with overlays Instruction Manual alpha CON 550 2 4 3 Panel Mount EJ Prepare panel cut out of 92 0 mm X 92 0 mm FA Remove back cover of conductivity monitor and slide it through panel cut out __ lt EN Insert threaded rods through catch until conductivity monitor is held against panel a ES Attach catch to both sides of conductivity monitor Instruction Manual alpha CON 550 2 5 Display amp Keypad 2 5 1 Display Overview The Liquid Crystal Display LCD of alpha CON 550 conductivity monitor has two alpha numerical displays Upper and a Lower e Upper display Measured conductivity value is displayed when the monitor is in normal operation measurement mode e Lower display Measured temperature value is displayed when the monitor is in normal operation measurement mode In conductivity calibration mode measured conductivity values are displayed here The two displays indicate function names options amp settings in Setup mode Refer Appendix 4 Abbreviations Used in LCD for more details The LCD also consists of various mode indicators status annunciators and unit of measurement indicators Upper Display SETUP MEAS CAL Lower Display Mode Indicators MEAS Measurement mode Refer Section 3 1 CAL Calibration mode Refer Section 4 Status Annunciators READY Appears when the re
3. after calibration is done the monitor will reset back to its factory default calibration EJ From measurement mode press ENT key to enter setup mode as described in section 5 1 The LCD shows the first screen of setup mode rAng Press ENT key to access measurement range setting rAng a 1 SETUP HOLD Mm 1 5 MO FA The upper display shows the currently selected measuring range The factory default is 2000 uS The lower display shows the currently configured cell constant k Refer section 4 2 for setting cell constant Press A or Y key to select the desired measuring range Press ENT key to confirm your selection The monitor reverts to rAng screen Measuring range 2 Resolution _0 00 to 20 00 uS em 0 01 uSicem 0 010 200 0 pSicm O 1psicm o Oto 2000 uS em Som ooo 0 00 to 20 00 mSicm 0 01msicm 0 0 to 200 0 mS cm 0 1 mS cm Press A or Y key to access other setup screens or press A and V key simultaneously escape to return to measurement mode 21 Instruction Manual alpha CON 550 5 5 Configuration Settings Configuration settings let you select between 2 cell amp 4 cell and reset the monitor to factory defaults This screen appears only when 2 cell is selected and measuring range is set to 0 0 to 200 0 mS cm EB From measurement mode press ENT key to enter setup mode as described in section 5 1 The LCD shows the first screen of setup mode rAng Press A or V key to sel
4. factory defaults when confirmed by pressing ENT key CAL dEF Reset all calibration settings of the monitor to factory defaults when confirmed by pressing ENT key NOTE Refer section 6 for factory calibration default settings Press ENT key to confirm your selection If nO dEF was selected the monitor reverts to Cnfg screen Press A or Y key to access other setup screens or press A and Y key simultaneously escape to return to measurement mode If FCt dEF or CAL dEF was selected the monitor performs the selected reset and returns to measurement mode Press A or Y key to access other setup screens or press A and V key simultaneously escape to return to measurement mode To exit from any intermediate steps press A and V keys simultaneously escape The monitor returns to the first screen configuration settings Cnfg 23 Instruction Manual alpha CON 550 5 6 Viewing Electrode Properties Each time you calibrate the conductivity sensor the monitor re calculates the calibration factor of the sensor and shown in the LCD at the end of calibration The setup mode allows you to view the last saved calibration factor and cell constant at any time EB From measurement mode press ENT key to enter setup mode as described in section 5 1 The LCD shows the first screen of setup mode rAng Press A or Y key to select viewing electrode properties screen CdAt Press ENT key to view electrode properties CdAt
5. of the environment specifications of the products 9 2 Return of Goods Before returning goods for any reason whatsoever the Customer Service Dept has to be informed in advance ltems must be carefully packed to prevent damage during shipment and insured against possible damage or loss Eutech Instruments will not be responsible for any damage resulting from careless or insufficient packing Warning Shipping damage as a result of inadequate packaging is the user s distributor s responsibility Please follow the guidelines below before shipment 9 3 Guidelines for Returning Unit for Repair Use the original packaging material if possible when shipping the unit for repair Otherwise wrap it with bubble pack and use a corrugated box for additional protection Include a brief description of any faults suspected for the convenience of Customer Service Dept if possible 29 Instruction Manual alpha CON 550 10 Appendices 10 1 Appendix 2 Conductivity of various aqueous solutions At Temperature 25 C 77 F Solution Conductivity Resistivity Ultra pure Water 0 055 uS cm 18 18 MO cm ml ower Plant Boiler Water T usem G CRT ET Water CET RE ieee ml DE TT Siem CTN Me ne Sian oa ml A o a O wnae TTT Sia eee E o y a Te IO Y a o ea eo ml ndustial Process Water 7 140 msm Rad O w eT s 30 Instruction Manual alpha CON 550 10 2 Appendix 4 Abbreviations Used in LCD Abbreviation Description A
6. segments briefly and then automatically enters into the measurement mode MEAS TIS US C The mode indicator MEAS at the top of the display indicates that the conductivity monitor is in measurement mode The upper alpha numerical display shows the measured conductivity value while the lower display shows the temperature value The monitor has five selectable measuring ranges The unit of measurement and resolution of the conductivity reading depend on the selected measuring range If the monitor reads a conductivity reading beyond the selected measuring range the display shows Or over range error indicator NOTE To guarantee accurate readings the measuring system the conductivity monitor and the sensor must be calibrated regularly From measurement mode you can access e Calibration mode by pressing CAL key e Setup mode by pressing ENT key For more details refer section 4 for Calibration mode and section 5 for Setup mode 12 Instruction Manual alpha CON 550 3 2 Menu Overview Calibration See Section 4 Temperature Coefficient Settings See Section 5 2 Temperature Settings See Section 5 3 Measuring Range Settings See Section 5 4 Configuration Settings See Section 5 5 Viewing Electrode Properties See Section 5 6 13 Instruction Manual alpha CON 550 4 Calibration Mode 4 1 About Calibration Calibration should be carried out each time a new
7. type of your process liquid PUr Pure water temperature coefficient Select this if your process liquid is pure water or ultra pure water Lin Linear temperature coefficient Select this for all other process liquids Press ENT key to confirm your selection If PUr was selected The monitor reverts back to tC screen If Lin was selected EJ Select temperature coefficient for process liquid The lower display shows P tC The upper display shows last configured temperature coefficient for process liquid if any The default value is 2 1 Press A or Y key to select the desired value Allowable range 0 to 10 Press ENT key to confirm your value ER Select temperature coefficient for calibration liquid The lower display shows C tC The upper display shows last configured temperature coefficient for calibration liquid if any The default value is 2 1 Press A or Y key to select the desired value Allowable range 0 to 10 Press ENT key to confirm your value The monitor reverts to tC screen Press A or Y key to access other setup screens or press A and Y key simultaneously escape to return to measurement mode 18 Instruction Manual alpha CON 550 5 3 Temperature Settings Automatic Temperature Compensation ATC The conductivity value of a sample is affected by temperature Use ATC feature of the monitor to compensate for conductivity changes when the temperature of the sample or process liquid fluctua
8. 2 Cell type probe 0 1 20015 Cell constant K 0 1 with EC CS10 0 18 A Integrated Pt 100 Material 55316 and 25ft cable Open ende Conductivity 2 Cell type probe up to 200 mS Cell constant K 1 0 with EC CS10 1 08 integrated Pt 100 Material SS316 and 25ft cable open ended NOTE Please contact your authorised distributor or dealer for the prices of extension measuring cables and other accessories such as tee joints electrode assembly and calibration solutions 27 Instruction Manual alpha CON 550 8 Troubleshooting Problem Cause Solution Power on but no display a Loose connections a Ensure cables make good b Incorrect output voltage of contact the power adaptor b Use an power adaptor with c Cables not in correct polarity specified output voltage and position c Re wire loop cables with correct polarity Unstable conductivity a Air bubbles in the probe a Tap probe to remove air bubbles reading b Dirty probe b Clean probe and recalibrate c Probe not deep enough in c Ensure that the sample entirely sample covers the sensor of the probe __ Oscillating temperature a Electrical noise interference a Ensure shield wire is properly readings connected to pin 7 Slow response a Dirty Oily probe oo a Clean probe Blinking ATC a No temperature probe a Ensure temperature sensing S connection during ATC mode cable makes good contact Blinking electrode a Error in calibration a Ensure calibration standard b Conductivi
9. 2 Switching Between Pt100 amp Pt1000 Temperature Sensors eee e eee e 6 2 3 3 Connecting Conductivity Probe sise 7 2 3 4 Connecting Temperature Probe ss T ZA A AO ETT 8 2 4 1 Mechanical Dimensions eee eee 8 PEN O Te NEE tems SNE RY Re EE 8 2237 A esse 9 29 DIS DAV o 10 a a a ee a ie 10 A se db cd 10 LON YEUNG Len Seesen een 11 A SE a a a 12 nl Measurement ModE SE NA ane Da a boat 12 3 2 IMENU OVESEN ne a een 13 4 Calilbration ModE een nern 14 Ad ABOULGaIDr alone nee 14 4 2 Gallbraliohsz2ne2 teren 15 9 SE LUP MODO isidro 17 9 41 EME SetU MOIE aree iria 17 5 2 Temperature Coefficient Settings ss 18 9 3 Temperature SCUINGS src iia 19 5 4 Measuring Range Settings sise 21 9 9 COTIGQUPATION ri Le sti ee ran nd ML en din 22 5 6 Viewing Electrode Properties iii 24 6 Technical Specification Sii 25 7 LISCOT Accessorles u 27 8 Troubleshooting anna a a dadas 28 9 General Informations 29 LF Wann HT 29 9 2 Rein 0R GO9dS 1 ARS Se Re a A a 29 9 3 Guidelines for Returning Unit for Repair 29 10 APDENAICES aiii 30 10 1 Appendix 2 Conductivity of various AQUEOUS solutions 30 10 2 Appendix 4 Abbreviations Used in LCD 31 Instruction Manual alpha CON 550 1 Introduction 1 1 Before You Begin We thank you for purchasing the alpha CON 550 monitor The construction of the CON 550 monitor employs leading edge technology and complies with safety regulations currently in f
10. 25 0 C 414 0 to 2370 9F 0 1 C 0 BC 1 00F 2 wire 3 wire Pt100 or Pt1000 Jumper Selectable __ Automatic or Manual reference at 20 C Apot 440 of default reading Lun 10 to 100 of the selected measuring range __7 segments display with symbols for status information _ Screw Terminal 3 5mm pitch _ 8 pin amp 4 pin terminal blocks DC power connector 1 2mm diameter EN 61 36 Susceptibility Ze pns _Power Input ___Dimensions WxHxD Weight Estimated Ambient Temp operating range a _ Maximum Relative Humidity Universal 9 V DC Adaptor and 24V DC Supply 80 up to 31 C decreasing linearly t to 50 at 40 C _ o 25 Instruction Manual alpha CON 550 Calibration Default Settings CAL dEF Calibration factor Resetto 1 000 00 Factory Default Settings FCt dEF Conductivity _ __Calibration factor Resetto 1 000 0 Gelltype Zul Temperature compensation ATC On Temperature coefficient 21 Both process amp calibration temp coefficients _MTC ATCOf 25 C Both process amp calibration temperature 26 Instruction Manual alpha CON 550 7 List of Accessories Monitor Replacement and Accessories Item Description Order Code Alpha CON 550 Monitor EC PHCPO5S0 0 E Conductivity cell Epoxy body Graphite sensor w 3 wire Pt100 k 0 1 EC CONSENG9X DD Conductivity cell Epoxy body Graphite sensor w 3 wire Pt100 k 1 0 EC CONSENGEX 2 Conductivity
11. C Automatic Temperature Compensation JCAL O Calibration mode _ CPC Calibration temperature 000 COAL Electrode properties OO E O Cell fg Configuration oo Ct Temperature coefficient for calibration liquid E IE ____Defutvaus GL LL Factory defaults HOLD Relay functions are hold e Cell consta k Ad Linear resistance f in O MEAS o Measurement mode OF Reading is over range OfO BG oo o Process temperature k _PtC Temperature coefficient for process liquid PU Pure water Ang o Range nn u set Setting SETUP Setup Mode l u tC Temperature Coefficient 2222220000 E MAA 00000 Ur Reading is under range 31 NOTES For more information on Eutech Instruments products contact your nearest distributor or visit our website listed below Eutech Instruments Pte Ltd Distributed by Blk 55 Ayer Rajah Crescent 04 16 24 Singapore 139949 Tel 65 6778 6876 Fax 65 6773 0836 E mail marketing eutechinst com Web site www eutechinst com
12. Instruction Manual alpha CON550 Conductivity Monitor mS uS C F meter ha CON550 TECH ELA Gene tor conductivity Moni INSTRUMENTS Ce Technology Made Easy C E RTL LE D 68X216870 Rev 3 Aug 07 Preface This manual serves to explain the use of the alpha CON 550 Industrial Conductivity Monitor The manual functions in two ways firstly as a step by step guide to help the user operate the instrument Secondly it serves as a handy reference guide This instruction manual is written to cover many anticipated applications of the alpha CON 550 monitor If you have doubts in the use of the instrument please do not hesitate to contact the nearest Eutech Instruments Authorised Distributor The information presented in this manual is subject to change without notice as improvements are made and does not represent a commitment on part of Eutech Instruments Eutech Instruments cannot accept any responsibility for damage or malfunction of the unit due to improper use of the instrument Copyright 2006 All rights reserved Eutech Instruments Pte Ltd Table of Contents Vs INEFOGUCTION area 1 a Before YOU s e T 1 1 2 intended USE T 1 113 ale NS MUCUONS ESS SAN NRA een 2 1 4 Taking Out of Service Correct Disposal of the Unit VV 2 Ze OO Otaola 3 ZA DESEHPUOH OF Tv e ST eniT dosel aan 3 2 2 Measurement SY si a ad 4 2 3 Comecing Penpheral Sii ii a 5 2 93 COMMECIION Tenia Sisi sai 5 2 3
13. OFF automatic temperature compensation Press ENT key to confirm your selection 19 Instruction Manual alpha CON 550 If ATC enabled ATC On Selecting temperature offset The upper display shows the last configured temperature offset value if any otherwise the default is zero The lower display shows currently measured temperature reading including last configured offset value LCD shows ATC annunciator in lower right corner Place a thermometer which is known to be accurate in your sample or process liquid Make sure your temperature probe is placed in the same liquid Compare the stabilized temperature reading displayed on the monitor with the thermometer If there is a difference between the two readings offset you can adjust the reading of the monitor Press A or Y key to adjust the lower display to the correct temperature value As the lower display value changes the monitor adjust the upper display reading automatically to suit the new offset value Up to 10 C 18 F offset is allowed Press ENT key to confirm the value The monitor reverts to SET CF screen If ATC disabled ATC OFF Setting process temperature The lower display shows P C and the upper display shows the last configured process temperature Press A or V key to adjust the upper display to desired process temperature Allowable range 10 0 to 125 0 C 14 0 to 257 0 F Press ENT key to confirm the process temperatu
14. ading is stable HOLD Appears in Setup mode and Calibration mode to indicate that the relay function is frozen ATC Appears when Automatic Temperature Compensation ATC is enabled Not visible when Manual Temperature Compensation MTC is enabled Flashes if the temperature probe is faulty in its ATC mode Refer Section 5 3 ERR Appears when an error occurs Electrode annunciator Blinks during calibration error Refer Section 4 2 a en EE EINE EAE K Cell Constant Refer Section 4 2 10 Instruction Manual alpha CON 550 Units of Measurement Indicators mS Conductivity in Milli Siemens a 0 u E nn ns ne ee ee D EE nn ml e a A ti S u ee u 2 5 2 Key Functions EUTECH INSTRUMENTS alpha CON550 XN 2008 Conductivity Monitor Key Description Enter Calibration mode Enter Setup mode em Access sub screens parameters within a group of settings in Setup mode Confirm save setup parameters and numerical values Start Confirm calibration in Calibration mode Select a group of settings in Setup mode Select parameters and increment decrement numerical values in Setup and Calibration modes When pressed continuously speed of value increment decrement increases Returns to Measurement mode when both keys are pressed simultaneously Instruction Manual alpha CON 550 3 Operation 3 1 Measurement mode When the conductivity monitor is powered on the display shows all the LCD
15. ccess setup mode LCD shows SETUP mode indicator and the first page of setup rAng Range settings Press A or Y key to access other pages of the setup mode L L Temperature Coefficient Settings E 2 See Section 5 2 Temperature Settings er See Section 5 3 CE HOLD JOEL LE SETUP ang T H N 4 Measuring Range Settings k em See Section 5 4 SETUP IR nF 9 Configuration Settings E er See Section 5 5 SETUP vn y D Viewing Electrode Properties u er _ONC See Section 5 6 NOTES e To exit setup mode at any time press A and V keys simultaneously escape The monitor returns to the measurement mode e f you do not press any key for 2 5 minutes the monitor automatically exists from the setup mode 17 Instruction Manual alpha CON 550 5 2 Temperature Coefficient Settings Setting the temperature coefficient to match your process calibration liquids allows monitor to achieve conductivity readings with higher accuracy EJ From measurement mode press ENT key to enter setup mode as described in section 5 1 The LCD shows the first screen of setup mode rAng Press A or Y key to select temperature coefficient settings screen tC Press ENT key to access temperature coefficient settings tC FA Select type of temperature coefficient The upper display shows the last configured temperature coefficient type Lin or PUr Press A or V key to select the desired type based on
16. ding of the solution is beyond the selected measuring range calibration error occurs LCD displays Or over range ERR and flashes electrode annunciator If calibration error occurs exit form calibration mode by pressing A and Y keys simultaneously EN Calibration is completed The display shows the calibration factor FCt This serves as an indication of the effectiveness of the sensor which will degrade with time and usage An effective sensor should have a calibration factor of 0 60 to 1 40 Press ENT key to return to measurement mode NOTES lf you use a 2 cell conductivity sensor make sure that the pin 1 and 2 are shorted and pin 3 and 4 are shorted on the J10 connector Refer section 2 3 3 for more details When calibrating with manual temperature compensation the monitor automatically changes from the preset process temperature to the calibration temperature After leaving the Calibration mode the monitor switches back to the process temperature for setting the calibration temperature and the process temperature see section 5 3 WARNING If you change the measuring range of the monitor after calibration is done the monitor will reset back to its factory default calibration 16 Instruction Manual alpha CON 550 5 Setup Mode 5 1 Enter Setup mode The setup mode allows you to customize the settings of the conductivity monitor to suite your requirements While in measurement mode press the ENT key to a
17. e installed and operated only by personnel familiar with the instrument and who are qualified for such work A defective CON monitor must neither be installed nor put into service The alpha CON 550 must only be operated under the specified operating conditions see section 6 The alpha CON 550 must not be repaired by the customer No modifications to the alpha CON 550 are allowed The manufacturer supplier accepts no responsibility for damage caused by unauthorized modifications The risk is borne entirely by the user 1 4 Taking Out of Service Correct Disposal of the Unit Taking out of Service e First disconnect the unit from the power supply and then undo all electrical connections e Remove the unit from the wall panel Correct Disposal of the Instrument When the alpha CON 550 monitor is permanently taken out of service obey the local environmental regulations for correct disposal or send the instrument to your local distributor they will take care of proper disposal Instruction Manual alpha CON 550 2 Getting Started 2 1 Description of Instrument The Eutech Instruments alpha CON 550 monitor is used for measuring conductivity and temperature values The monitor can be used for applications such as water treatment and controlling galvanic decontamination chemical processing food processing clean or wastewater control and neutralization processes The monitor has many user friendly and sa
18. eading of the measuring range selected For best results select a standard conductivity solution close to the sample value you are measuring 14 Instruction Manual alpha CON 550 4 2 Calibration The monitor requires one point calibration Conductivity calibration is always carried out in the specific measuring range selected for the monitor Make sure the monitor is set to desired measuring range before you enter calibration mode Refer Section 5 4 for selecting measuring ranges Select a suitable standard conductivity solution so that its conductivity value is within 10 to 100 of the full scale of the selected measuring range of the monitor For better accuracy select the calibration standard to be nearly 50 of the full scale of the measuring range selected Prepare calibration standard solution in two beakers one for rinsing and the other for calibration Prepare separate de ionized water for electrode rinsing All new calibration values will automatically override existing calibration data If you wish to abort the calibration press A and W keys simultaneously and the monitor reverts to measurement mode and the monitor will revert to previous calibration data 1 2 3 CAL a SE 1400 a 1400 25 0 se EL 1250 EB From measurement mode press CAL key to enter calibration mode FA The display briefly shows the cell type 2 CELL or 4 CELL to which the monitor is configured Refer section 5 5 for ce
19. ect configuration settings screen Cnfg Press ENT key to access configuration settings Cnfg Select cell type of the sensor The lower display shows CEL The upper display shows the last configured cell type 2 or 4 Press A or Y key to select the cell type of your conductivity probe Press ENT key to confirm your selection NOTE If you use a 2 cell conductivity sensor make sure that the pin 1 and 2 are shorted and pin 3 and 4 are shorted on the J10 connector Refer section 2 3 3 for more details EJ Setting line resistance The lower display shows L Ad and the upper display shows the last configured line resistance otherwise the default is 0 00 R NOTE Line resistance of sensor cable constitutes to an error in measurement of high conductivity values The monitor will compensate this error if you specify line resistance value in this setting The setting is available only if the cell type is set to 2 cell step 3 above and the 22 Instruction Manual alpha CON 550 measuring range is selected to 0 0 to 200 0 mS cm Press A or Y key to set the line resistance of the sensor cable connected to the monitor Press ENT key to confirm your selection Reset to factory defaults The display shows nO dEF Press A or Y key to select nO dEF Not default reset of the monitor User configured values remain active when confirmed by pressing ENT key FCtdEF Reset all settings of the monitor to
20. electrode is attached to the monitor or when you suspect that the monitor electrode is out of calibration The monitor allows you to perform temperature calibration and conductivity calibration About Temperature Calibration It is important to ensure that temperature calibration is carried out prior to conductivity calibration since temperature readings affect the accuracy of conductivity measurements It is recommended that temperature calibration should be carried out only if the temperature value displayed on the monitor is different from that of a calibrated thermometer A temperature offset calibration of 10 C 18 F from the default reading is allowed Once a temperature calibration is performed conductivity calibration should be carried out to ensure the accuracy of conductivity measurements About Measuring Ranges amp Conductivity Calibration The monitor has five selectable conductivity measuring ranges You can only calibrate one point in the measuring range that you have selected for your process application You have to recalibrate the monitor every time you change the measuring range since the calibration data of the monitor will be reset every time a new measuring range is selected About Conductivity Calibration During conductivity calibration the monitor allows a calibration window of 40 from the measured default reading of the calibration standard The minimum allowable calibration point is 10 of the full scale r
21. fety features which include e Push button keypad for calibration and setup e Built in non volatile memory to ensure that calibration and other information are not erased if power supply fails e Menu driven program that simplifies setup e Automatic temperature compensation ATC e Manual temperature compensation setting without the ATC probe with independent setting for calibration and process temperature e Large dual display LCD for easy reading with clear multiple annunciators operational mode indicators and error indicators Instruction Manual alpha CON 550 2 2 Measurement System A typical measurement system consists of A conductivity process monitor conductivity sensor with integrated or separate Pt100 Pt1000 temperature sensor An appropriate measurement cable An immersion flow or process assembly Alpha CON 550 Monitor EW TECH INSTRUMENTS alpha pH560 Power Adaptor Housing and Measurement Cable 9 V DC sensors Instruction Manual alpha CON 550 2 3 Connecting Peripherals 2 3 1 Connection Terminals Remove Back Cover Remove the screws from the four corners at the back of the conductivity monitor Remove the back cover The connectors are exposed on the back PCBA as shown in the Figure 1 below Connectors e _J8 9V DC power connector 1 2mm diameter e J9 Relay connections e J10 Conductivity electrode amp Temperature probe connections wiring has t
22. ity Probe 1 Short Pin 1 amp 2 of J10 connector using a jumper wire 2 Connect CON low input wire white to Pin 2 of J10 connector 3 Connect CON high input wire black to Pin 3 of J10 connector 4 Short Pin 3 amp 4 of J10 connector using a jumper wire 4 Cell Conductivity Probe 1 Connect CON low input wire black to Pin 1 of J10 connector 2 Connect CON low input wire white to Pin 2 of J10 connector 3 Connect CON high input wire orange to Pin 3 of J10 connector 4 Connect CON high input wire blue to Pin 4 of J10 connector Connecting Temperature Probe For Automatic Temperature Compensated ATC conductivity readings an in built temperature sensor is usually integrated with industrial conductivity probes Alternatively a separate 100Q Pt RTD temperature probe 2 wire or 3 wire can be connected to the monitor 3 Wire Probe 1 Connect PT100 compensate wire to Pin 5 of J10 connector 2 Connect PT100 sense wire to Pin 6 of J10 connector 3 Connect PT100 GND wire to Pin 7 of J10 connector 2 Wire Probe 1 Short Pin 5 amp 6 of J10 connector using a jumper wire 2 Connect PT100 sense wire to Pin 6 of J10 connector 3 Connect PT100 GND wire to Pin 7 of J10 connector Instruction Manual alpha CON 550 2 4 Installation 2 4 1 Mechanical Dimensions EUTECH INSTRUMENTS alpha CON550 95 6 y DADA Conductivity Monitor 95 0 2 4 2
23. ll type settings Next the last configured cell constant k is displayed in the upper display Use A or Y keys to adjust the cell constant to mach the cell constant of the conductivity probe Adjustable range is 0 10 to 10 0 Press ENT key to confirm the new cell constant value Rinse the electrode in de ionized water and then rinse with the calibration standard Immerse the probe in calibration standard solution intended for calibration and swirl gently to create a homogenous sample Make sure there are no any air bubbles trapped in the sensor EJ The upper display shows the currently measured conductivity value of the solution based on last calibration if any The lower display shows uncalibrated default reading of the solution The buffer annunciator appears in LCD The READY annunciator appears when the reading is stable Once the reading stabilizes press the A or V key to adjust the upper display value to that of the standard solution Press the ENT key to accept the value 15 Instruction Manual NOTES alpha CON 550 The acceptable calibration window is 40 of the displayed default value For example if the display is 1000 LS the values to which it can be adjusted is 600 to 1400 US If the conductivity reading of the solution is not within 10 to 100 of the full scale of the selected measuring range calibration error occurs LCD displays ERR and flash electrode annunciator If the conductivity rea
24. o be done in the detachable connector J10 Connections CON Low Current CON Low Voltage CON High Voltage CON High Current Pt 100 Compensate Pt 100 Sense Pt 100 GND No connection oS oY 9V DC Power Screw 6 PT100_IN 7 PT100 GND 8 PH Gnd O Figure 1 Outer Side of Back PCBA Instruction Manual alpha CON 550 2 3 2 Switching Between Pt100 amp Pt1000 Temperature Sensors The conductivity monitor supports both Pt100 amp Pt1000 2 wire or 3 wire temperature sensors The default factory setting is Pt100 If you need to use Pt1000 temperature sensor you have to change the jumper setting J7 as described below Remove Back Cover Remove screws from the four corners at the back of the conductivity monitor Remove the back cover Remove Back PCBA Remove the screw located center of the back PCBA Figure 1 Detach the back PCBA from the monitor Turn over the back PCBA Locate J7 jumper on the inner side of the back PCBA as shown in Figure 2 below a i yo R E AAA x o AT K gf Jumper Setting for Jumper Settings for Pt100 Pt1000 Factory Default Figure 2 Inner Side of Back PCBA Set Jumper J7 Set the J7 jumper to required sensor Pt100 or Pt1000 type Instruction Manual alpha CON 550 2 3 3 Connecting Conductivity Probe 2 3 4 Any industrial conductivity probe 2 cell or 4 cell can be connected to the conductivity monitor 2 Cell Conductiv
25. orce Notwithstanding this improper use could lead to hazards for the user or a third party and or adverse effects on the plant or other equipment Therefore the operating instructions must be read and understood by the persons involved before working with the monitor The instruction manual must always be stored close at hand in a place accessible to all people working with the conductivity monitor lf you have questions which are not or insufficiently answered in this instruction manual please contact your authorized supplier They will be glad to assist you 1 2 Intended Use alpha CON 550 monitors are intended solely for conductivity and temperature measurement as described in this instruction manual Any other use or use not mentioned here that is incompatible with the technical specifications is deemed inappropriate The operator is solely responsible for any damage arising from such use Other prerequisites for appropriate use include Comply with the instructions notes and requirements set out in this instruction manual Comply with all local safety regulations concerning safety at work Comply with all information and warnings in the documentation dealing with the products used together with the conductivity monitor housings sensors etc Comply with local environmental and operational conditions Instruction Manual alpha CON 550 1 3 Safety Instructions The alpha CON 550 monitor should b
26. re Setting calibration temperature The lower display shows C C and the upper display shows the last configured calibration temperature Press A or V key to adjust the upper display to desired calibration temperature Allowable range 10 0 to 125 0 C 14 0 to 257 0 F Press ENT key to confirm the calibration temperature The monitor reverts to SET CF screen Press A or Y key to access other setup screens or press A and Y key simultaneously escape to return to measurement mode To exit from any intermediate steps press A and V keys simultaneously escape The monitor returns to the first screen of temperature settings SET CF 20 Instruction Manual alpha CON 550 5 4 Measuring Range Settings The conductivity monitor has 5 different measuring ranges You need to select a range which is the most suitable for conductivity reading of your applications samples The factory default is 2000 uS 0 to 2000 uS cm The measuring range you select here will affect the way the monitor behaves in the measurement mode and calibration mode In measurement mode if the conductivity reading of the monitor is above the selected measuring range the LCD shows Or over range error In calibration mode the monitor adjusts calibration tolerance based on full scale of the selected measuring range The calibration is carried out only for the selected measuring range WARNING If you change the measuring range of the monitor
27. tes Connect a separate temperature probe Pt100 pt1000 to the monitor if an integrated conductivity Temperature probe is not available Manual Temperature Compensation MTC Set the monitor to MTC disable ATC when the temperature of sample or process liquid is constant and a temperature probe is not available If you disable ATC the monitor allows you to set your process temperature P C and calibration temperature C C This allows calibration at a different temperature other than the process temperature Example Setting calibration temperature of 25 C lets you calibrate using standard solutions at 25 C even if your process temperature is different from 25 C SETUP HOLD LU M l C BE EJ From measurement mode press ENT key to enter setup mode as described in section 5 1 The LCD shows the first screen of setup mode rAng Press A or Y key to select Temperature settings screen SET CF Press ENT key to access temperature settings SET CF FA Selecting unit of measurement for temperature The upper display shows Unit and the lower display shows the last configured unit of measurement for temperature Press A or Y key to Select the desired units for temperature C or F Press ENT key to confirm your selection EJ Enable disable ATC The lower display shows AtC and the upper display shows the last configured ATC selection On or OFF Press A or Y key to enable ATC On or disable ATC
28. ty value of the solution is not contaminated enn NO calibration standard is not Ensure electrode is clean within acceptable range b Ensure calibration standard is within 10 to 100 of full scale of the selected measuring range Or Conductivity a Conductivity reading is a Ensure correct conductivity above the selected measurement range is selected measuring range Or Ur Temperature a Temperature probe is not a Ensure electrode makes good connected when ATC contact with monitor enabled b Ensure temperature calibration is b Temperature value exceeds done properly Ensure process above below the specified temperature is within the range specified range 28 Instruction Manual alpha CON 550 9 General Information 9 1 Warranty Eutech Instruments warrants this product to be free from significant deviations in material and workmanship for a period of one year from the date of purchase If repair is necessary and not the result of abuse or misuse within the warranty period please return by freight pre paid and amendment will be made without any charge Eutech Instrument Customer Service Dept will determine if the product problem is due to deviations or customer abuse Out of warranty products will be repaired on an exchange basis at cost Exclusions The warranty on your instrument shall not apply to defects resulting from e Improper or inadequate maintenance by customer e Unauthorized modification or misuse e Operation outside
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