ECD T90 Instruction Manual
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Contents
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38Press HOME Hold is ONPress HOLD Turn off HoldPress EXIT Main Display4.4.2 STANDARDIZELeave the sensor in the process solution or in the air, take a grab sample from the process and determine thedissolved oxygen concentration or enter the temperature and pressure corrected value for air.Action 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 NO Place Sensor in Air or the process solutionPress STAND Enter ValuePress ▲ ▼ NEXT xxx.xx ppm or % SAT (use arrows and NEXT to enter process value)Press OK xxx.xx ppm, xxx.x mV, Accept Value?Press YES OFFSET: 0.00 ppm xx.x mV, SLOPE: xx.xx mV/ppm (this data written to Log)Press OK Back to Cal MenuPress HOME Hold is ON (Press HOLD to turn off Hold)Press HOLD Turn off HoldPress EXIT Main Display4.4.3 MANUAL CALLeave the sensor in the process solution or in the air, take a grab sample from the process and determine thedissolved oxygen concentration or enter the temperature and pressure corrected value for air.Action 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 NO Place Sensor in Air or the process solution, it doesn’t matter whichPress MANUAL Enter Zero ValuePress ▲ ▼ NEXT 000.00 ppm or % SAT (use arrows and NEXT to enter ppm value)Press mV Button Enter mV value for zero ppm solution (default use 0.5 mV)Press ▲ ▼ NEXT 000.00 mV (use arrows and NEXT to enter mV value)Press OK OFFSET: 0.00 ppm 00.5 mV, Accept Value?Press YES Slope 000.0 mV/ppm or 000.0 mV/% SATPress ▲ ▼ NEXT 048.00 mV/ppm (use calculated value or 45 mV/ppm or 4.0 mV/% SAT)Press OK Slope 48.00 mV/ppm, Accept this Value?Press YES Back to Cal MenuPress HOME Hold is ON (Press HOLD to turn off Hold)Press HOLD Turn off HoldPress EXIT Main Display |
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