Emerson PN 51-FCL-1056 Calibrate SensorSensor11 Output, S1 Calibration + 25.0C, Procedure

MODEL FCL-1056	SECTION 6.0
	CALIBRATION

6.2.2 Procedure

1.Remove the sensor from the flow cell. Place it in an insulated container of water along with a calibrated thermometer. Submerge at least the bottom two inches of the sensor.

2.Allow the sensor to reach thermal equilibrium. The time constant for both the chlorine and pH sensor is about 5 min., so it may take as long as 30 min for equilibration.

Calibrate

SensorSensor11

Sensor 2

Output 1

Output 2

3.Press MENU. The main menu screen appears. The cursor will be on Calibrate. Press ENTER.

4.Choose the sensor you wish to calibrate. Sensor 1 is the chlorine sensor. Sensor 2 (if present) is the pH sensor.

S1 Calibration

SensorpH Independ1 . Free Cl Temperature

S1 Calibration

+25.0°C

5.Choose Temperature.

6.Change the display to match the temperature read from the calibrated thermometer. Press ENTER.

If the present temperature is more than 5ºC different from the value entered, an error message appears. To force the analyzer to accept the calibration, choose Yes. To repeat the calibration, choose No. For troubleshooting assistance, see Section 9.7.1

7. To return to the main display, press MENU then EXIT.

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