ECD T90 Instruction Manual
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Contents
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Page 35 Model T804.3 PION CALIBRATION PROCEDURESAUTO Calibration recognizes 1, 10 or 100 ppm/ppb calibration solutions. Any calibration solutions can be usedbut the ppm value will have to be entered manually. Follow the steps below to accomplish a pION calibration.4.3.1 AUTO CAL USING 1, 10, 100 PPM SOLUTIONSAction PromptDouble Press any Button MENU HOME, Hold is OFFPress HOLD Hold freezes 4-20 mA Output and locks Alarm Relays during CalibrationPress CAL Is this a new Sensor? (Yes erases CAL Log in INFO, NO adds CAL to existing Log)Press Yes/NO Place Sensor in CAL Solution ( use 10 ppm solution)Press AUTO then CAL 1 STABILIZING, 10.00 ppm, xxx.x mV, 10.00 ppm corrected, Accept Cal?Press YES/NO CAL1 Value 10.00 ppm, Continue to CAL2? Move sensor to 100 ppm solutionPress YES STABILIZING, 100.0 ppm, xx.xx mV, 100 ppm corrected, Accept Cal?Press YES OFFSET: 10.00 ppm, 310 mV, SLOPE: 55.1 mV/ decade (data written to Log)Press OK Calibration completePress HOME Hold is ONPress HOLD Turn off HoldPress EXIT Main Display4.3.2 AUTO CAL USING NON-DECIMAL PPM SOLUTIONSAction PromptDouble Press any Button MENU HOME, Hold is OFFPress HOLD Hold freezes 4-20 mA Output and locks Alarm Relays during CalibrationPress CAL Is this a new Sensor? (Yes erases CAL Log in INFO, NO adds CAL to existing Log)Press YES/NO Place Sensor in CAL SolutionPress AUTO then CAL 1 STABILIZING, xx.xx pH x.x mV, 10.00 ppm corrected Accept Cal?Press NO Enter CAL 1 ValuePress ▲ ▼ NEXT xxxx.x ppm (use arrows and NEXT keys to enter Cal value)Press OK xxxx.x ppm, xxx.x mV, Accept this ValuePress YES CAL 1 Value xxxx.x ppm, Continue to CAL 2? (Place Sensor in 2nd calibrationsolution)Press YES STABILIZING, xxxx.x ppm xxx.x mV, xxx.x ppm corrected Accept Cal 2?Press NO Enter CAL 2 ValuePress ▲ ▼ NEXT xxxx.x ppm (use arrows and NEXT keys to enter Cal value)Press OK xxxx.x ppm, xxx.x mV, xxx.x ppm corrected Accept Cal 2?Press YES OFFSET: xxxx.x ppm xxx.x mV, SLOPE: 55.40mV/decade (data written to Log)Press OK Calibration completePress HOME Hold is ONPress HOLD Turn off HoldPress EXIT Main Display4.3.3 STANDARDIZELeave the sensor in the process solution, take a grab sample from the process and determine the Ionconcentration.Action PromptDouble Press any Button MENU HOME, Hold is OFFPress HOLD Hold freezes 4-20 mA Output and locks Alarm Relays during Calibration |
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