Emerson 1056 User Manual

6.4.4 Procedure-Manual Calibration
1.   Obtain two buffer solutions. Ideally, the buffer pH values should bracket the range of pH values to be measured.

2.  Remove the sensor from the flow cell. If the process and buffer temperatures are appreciably different, place  

the sensor in a container of tap water at the buffer temperature. Do not start the calibration until the sensor has  

reached the buffer temperature.

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 is the pH sensor.

5.

Choose pH.

6.

Choose Buffer Cal

7.

Choose Manual.

8.

Choose Buffer 1.

9.

Rinse the sensor with water and place it in the first buffer. Be sure the
glass bulb and reference junction are completely submerged. Swirl the
sensor.