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17 Calibrating universal inputs

54

Two-point calibration

The zero point and slope of the measuring characteristic curve are determined
with the aid of 2 measurings of 2 different reference solutions.
Two test solutions with defined values of the respective process variable are
needed as a references.

Calibrating rel. cell constants, temperature coefficients, and TC-curves

The calibration routines for conductivity measuring with the universal input cor-
respond to those for the Ci calibration.

v

Chapter 16 "Calibrating Ci conductivity sensors", Page 43

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Summary of Contents for 202580

Page 1: ...ar Multichannel Measuring Device for Liquid Analysis with Integrated Controller and Paperless Recorder Type 202580 Installations Instructions Volume 2 2 b20 2581 4en_b2 V2 00 EN 00614180 JUMO AQUIS to...

Page 2: ...t is likely that a dangerous overdosage has occurred For this case appropriate precautionary measures must be taken NOTE Read this operating manual before putting the device into service Keep the oper...

Page 3: ...rs 22 12 3 pH Calibration routines 24 12 3 1 Zero point calibration 24 12 3 2 Two point and Three point calibration 26 13 Calibrating Redox sensors 29 13 1 Notes 29 13 2 General information 29 13 2 1...

Page 4: ...nductive 43 16 2 2 Calibration default settings for Ci conductivity sensors 44 16 3 Ci calibration routines 47 16 3 1 Calibrating the relative cell constant 47 16 3 2 Calibrating the temperature coeff...

Page 5: ...and optional boards 70 18 4 Binary inputs base unit 70 18 5 Binary inputs optional boards 70 18 6 Binary outputs power supply unit board 70 18 7 Binary outputs optional boards 71 18 8 Voltage supply o...

Page 6: ...Content...

Page 7: ...country specific regulations must be ob served Step Action 1 Disconnect all phases of the voltage supply to the device power grid outside power supply sources for relays solid state relays etc 2 Ident...

Page 8: ...r of the device To prevent connections being interchanged note down the assignment of the connectors to the sockets 4 Undo do not remove the two countersunk screws on the bottom of the case and remove...

Page 9: ...wise at Step 12 10 Connect the inductive conductivity sensor using the M12 socket adapter from the scope of delivery of the Ci optional board to the Ci optional board of the device 11 Connect the 2 wi...

Page 10: ...alibration has been performed the measuring input can be cal ibrated Following successful calibration the measuring input is ready for use NOTE For the Ci base calibration you need the JUMO Type 20271...

Page 11: ...the board tempera ture at Device Menu r Service r Service Data r Internal Data tab Ensure that the ambient temperature specified for the device cor responds to the conditions for the normal operating...

Page 12: ...res 5 Start the Ci base calibration Device Menu r Service r Ci Base Calibration IN 7 to 8 6 Enter the cell constant for the sensor and confirm by pressing OK 7 The device now performs a measuring with...

Page 13: ...y pressing OK 10 Now follow the instructions on the display You will be requested to set certain resistance values on the cali bration adapter one at a time and then to confirm each measuring by press...

Page 14: ...appears Confirm by pressing OK If the Ci base calibration fails the procedure is canceled without acceptance of the calibration data 12 Accept the calibration data acquired by pressing Yes discard th...

Page 15: ...dification Calibration timers can be configured to provide a regular reminder of when cal ibrations are due v Chapter 9 10 Calibration timers Page 115 Each successfully completed calibration is record...

Page 16: ...ards must undergo a basic calibration during the initial commissioning If this has not yet been performed it is necessary to do so prior to any other calibration v Chapter 10 2 Ci base calibration Pag...

Page 17: ...tion Calibration values determined or entered Reference values used Calibration mode true calibration manual entry of calibration values Since this information does not yet fit in a screen line the lo...

Page 18: ...es an overview of the calibrations performed Tapping the Details button opens the selected logbook entry in the detail view The detail view displays a table with all calibration values from a calibrat...

Page 19: ...nected to analysis measuring inputs Redox zero point calibration Ammonia calibration Calibration value unit Zero point pH 5 6 to 8 9 Slope 75 89 6 to 103 1 110 Calibration value unit Zero point pH 2 t...

Page 20: ...iversal inputs Calibration value unit Rel cell constant CR 50 75 to 125 150 Rel cell constant Ci 80 90 to 110 120 Calibration value unit Temperature coefficient CR K 0 to 8 Temperature coefficient Ci...

Page 21: ...t calibration This calibration method is used to determine the pH zero point on the measure ment characteristic curve The Slope is retained A Buffer solution with a defined pH value is needed as a ref...

Page 22: ...ings for the pH Calibration are described in the following Open the calibration default settings Device Menu r Calibration r Select Analysis Input for pH Redox NH3 r Cali bration Default Settings NOTE...

Page 23: ...available standard solutions DIN 19266 NIST misc technical Buf fer solutions etc or customer specific information With the aid of such tables Buffer solutions can be recog nized automatically during c...

Page 24: ...alibration Device Menu r Calibration r Select analysis input for pH Redox NH3 r Open Zero point calibration 2 If temperature compensation was not specified in the calibration default settings enter th...

Page 25: ...lue of the Buffer solution used is contained in this Buffer set table If these pre requisites are satisfied the pH value of the Buffer solution is de termined automatically during the calibration 5 Wa...

Page 26: ...mpensation was not specified in the calibration default settings enter the temperatures of the Buffer solution here manually If temperature compensation was specified the temperature of the Buffer sol...

Page 27: ...this Buffer set table If these pre requisites are satisfied the pH value of the Buffer solution is de termined automatically during the calibration 5 Wait until the measuring value displayed stabilize...

Page 28: ...12 Calibrating a pH measuring chain 28...

Page 29: ...f con centration values The Redox potentials of 2 solutions are measured Concentration values in percent are then assigned to the measured values by the user Two process typical sample solutions are n...

Page 30: ...nes that are not enabled are not visible in the calibration menu Additional calibration default settings are explained in the following table NOTE The Calibration Default Settings menu appears in the...

Page 31: ...oint Calibration 3 Check that the Redox test solution value displayed matches the Redox value of the test solution The Redox test solution value is taken from the calibration default values It is stil...

Page 32: ...rode and immerse it in the first test solution Wait until the measuring value displayed stabilizes and then con firm the result of the measurement by pressing OK 5 As in step 3 enter the concentration...

Page 33: ...n e g water is needed as a reference 14 2 2 Calibration default settings for ammonia sensors In the ammonia sensor calibration default settings the zero point calibration is enabled and preconfigured...

Page 34: ...r Zero Point Calibration 2 Clean the ammonia electrode and immerse it in the ammonia free test solution Wait until the measuring value displayed stabilizes and then confirm the result of the measureme...

Page 35: ...used to compensate for the effect of tem perature when measuring the electrolytic conductivity When making a tempera ture compensated conductivity measurement the measuring value of the conductivity...

Page 36: ...r Select CR Analysis Input r Calibration Default Settings The calibration default settings enable the calibration routines to be accessed in the particular calibration menu Calibration routines that...

Page 37: ...ation Selection from analog selection Temperature input for automatic sensing of the test sample solution temperature during the calibration Reference tempera ture 50 to 150 C The conductivities of a...

Page 38: ...s to perform calibrations v Chapter 8 2 1 Log on Log out Page 74 Step Action 1 Start calibration of the relative cell constant Device menu r Calibration r Select CR Analysis Input r Rel cell constant...

Page 39: ...esult of the measurement by pressing OK The preset reference conductivity can be changed here manually if necessary 4 A protocol summarizing the calibration values determined then ap pears Acknowledge...

Page 40: ...e sample solution Ensure that the rel cell constant is calibrated correctly if necessary make a trial measurement with a test solution For CR optional boards continue with step 3 for universal inputs...

Page 41: ...ust control acquisition of the value manually Bring the temperature of the sample solution first to the value of the reference temperature and confirm by pressing OK Then proceed in the same manner fo...

Page 42: ...15 Calibrating CR conductivity sensors 42...

Page 43: ...Is used to compensate for the effect of tem perature when measuring the electrolytic conductivity When making a tempera ture compensated conductivity measurement the measuring value of the conductivi...

Page 44: ...This requires in stallation of a temperature sensor that the device can use to sense the temperature of the sample solution 16 2 2 Calibration default settings for Ci conductivity sensors Before you c...

Page 45: ...ng options Explanation Reference conductivi ty 0 to 9999 mS cm Conductivity of the reference solution Parameter Setting options Explanation Temperature com pensation Selection from analog selection Te...

Page 46: ...g temperature 50 to 250 C The starting and final temperatures of the range for which a temperature coefficient curve is to be deter mined The starting temperature must be at least 20 C low er than the...

Page 47: ...asic Ci calibration in the course of commissioning Subsequent calibration is not possible without this initial basic Ci calibration v Chapter 10 2 Ci base calibration Page 10 Step Action 1 Start calib...

Page 48: ...esult of the measurement by pressing OK The preset reference conductivity can be changed here manually if necessary 4 A protocol summarizing the calibration values determined then ap pears Acknowledge...

Page 49: ...erse it in the sample solution Ensure that the rel cell constant is calibrated correctly if necessary make a trial measurement with a test solution for Ci optional boards continue with step 3 for univ...

Page 50: ...must control acquisition of the value manually Bring the temperature of the sample solution first to the value of the reference temperature and confirm by pressing OK Then proceed in the same manner...

Page 51: ...mode continue with step 4 3 Enter one of the measuring ranges 1 to 4 Confirm the entry by pressing OK The calibration values determined apply only to the selected mea suring range 4 Bring the tempera...

Page 52: ...16 Calibrating Ci conductivity sensors 52...

Page 53: ...alibration method is used to determine the pH zero point on a measure ment characteristic curve The slope is retained A test solution with a defined value of the respective process variable is needed...

Page 54: ...rent reference solutions Two test solutions with defined values of the respective process variable are needed as a references Calibrating rel cell constants temperature coefficients and TC curves The...

Page 55: ...he particular calibration menu Calibration routines that are not enabled are not visible in the calibration menu The linear scaling operation mode permits adjustment of the zero point slope and two po...

Page 56: ...t calibration default settings in the free chlorine pH T com pensated operation mode Parameter Possible settings Explanation Temperature com pensation Selection from Analog selection Temperature input...

Page 57: ...on chapters for the pH value measurement and Conductivity measurement operation modes apply except that three point calibration for pH sensors is not available for universal inputs see Chapter 17 2 1...

Page 58: ...result of the measurement by pressing OK 3 Enter the reference value of the test solution Confirm by pressing OK 4 A protocol summarizing the calibration values determined then ap pears Acknowledge th...

Page 59: ...e it in the second reference solution Wait until the measuring value dis played stabilizes and then confirm the result of the measurement by pressing OK 5 As in step 3 enter the reference value of the...

Page 60: ...17 Calibrating universal inputs 60...

Page 61: ...s only displayed and can no longer be changed here Without automatic sensing the particular influencing variable must be entered manually here Wait until the measuring value displayed stabilizes and t...

Page 62: ...17 Calibrating universal inputs 62 6 Press Yes to accept the Calibration values determined and enter the Calibration in the Calibration logbook Press No to discard the results Step Action...

Page 63: ...ith customer specific characteristic lineb b Customer specific linearization can be used to enter a sensor characteristic line up to 400 2 wire 3 wire 0 to 400 0 1 of Rmax c c Rmax maximal resistance...

Page 64: ...earization can be used to enter a sensor characteristic line up to 400 2 wire 3 wire 0 to 400 0 1 of Rmax d d Rmax maximal resistance across the measuring range 400 4000 or 100 kW 100 ppm K to 4000 2...

Page 65: ...ax d d Rmax maximal resistance across the measuring range 400 or 4000 100 ppm K to 4000 2 wire 3 wire 0 to 4000 0 1 of Rmax d 100 ppm K Voltage signal 0 to 10 V 0 2 of MRa 100 ppm K Current signal 0 4...

Page 66: ...ural water with expanded range TDSb ASTM D 1125 95 for neutral NaCl acidic HCl and alkaline NaOH impurities b TDS Total Dissolved Solids Cell constant 0 01 to 10 cm 1 Measuring range selectionc c In t...

Page 67: ...0 to 25 HNO3 36 to 82 H2SO4 0 to 28 H2SO4 36 to 85 H2SO4 92 to 99 HCl 0 to 18 HCl 22 to 44 b TC temperature coefficient Cell constant 4 00 to 8 00 cm 1 Measuring range selectionc c In the Configuratio...

Page 68: ...erature rangeb b The temperature compensation natural water with expanded temperature range extends beyond the standardized temperature thresholds of DIN EN 27888 0 to 100 C ASTM D 1125 95 neutral alk...

Page 69: ...the device Impedance converters must not be installed in the measuring circuit The maximal admissible cable length between sensor and device is 10 m Liquid resistance has a direct impact on the measu...

Page 70: ...nnecting proximity switches Recommended types are Wachendorff P2C2B1208NO3A2 and Balluff BES M12EG PSC80F BP03 1 Hz 300 ms 300 ms Configurable as potential free con tact or ext voltage supply maximal...

Page 71: ...voltages such as those that can occur during switching 1 A at AC 230 V Wear free PhotoMOS e solid state relay Switching out put with PhotoMOS d d PhotoMOS is a registered trademark of Panasonic 200 mA...

Page 72: ...parity 1 to 254 9600 19200 38400 Spring cage terminals Protocol Data formatsa a Specification in useful bit stop bit parity format Therefore the frame always comprises 8 useful bits and 1 stop bit Onl...

Page 73: ...5 e mail tem plates can be stored up to 3 recipients for each e mail template Modbus TCP IP Process data exchange with Modbus usersb b Modbus TCP IP enables Modbus users to communicate via a LAN provi...

Page 74: ...the firmware a The recording function stores measurement data in a ring buffer inside the device b Service data can be stored on a USB flash drive for diagnostic purposes USB flash drive USB port Type...

Page 75: ...lectrical connection at the back via screw terminals Specifications for conductor cross sections v Chapter 6 2 2 Conductor cross sections for base unit and power supply unit Page 31 electromagnetic co...

Page 76: ...mm with Ci conductivity sensor 283 3 mm including manoeuvring space for sensor cable Panel thickness Max 5 mm Minimum distance to other operating equipment from edge of the panel cut out horizontal 3...

Page 77: ...s For each controller channel 2 outputs configurable as pulse length output pulse frequency output maximal 240 pulses per minute continuous output Disturbance feedforward con trol multiplicative and o...

Page 78: ...nary values The sum total of both groups is indicated sufficient for approx 31 million entriesc History functiond d The history function allows the user to scroll the diagram back in the recording tim...

Page 79: ...79 18 Technical data...

Page 80: ...18 Technical data 80...

Page 81: ......

Page 82: ...36035 Fulda Germany Phone 49 661 6003 0 Fax 49 661 6003 607 E mail mail jumo net Internet www jumo net JUMO House Temple Bank Riverway Harlow Essex CM20 2DY UK Phone 44 1279 63 55 33 Fax 44 1279 63 5...

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