19
I
A130/131
A130/131
Ion
Calibration and Measurement
This section is applicable to models A130 and A131 meters
Prior to Use
Connecting the Ion Selective Electrode
1.1 Take out the ion selective electrode from packaging. Remove the
protective cap from the bottom of electrode.
Soak the electrode
in a 100 ppm standard solution (water hardness electrode in a
10 mmol/L standard solution) for about 10 minutes.
1.2 Place electrode into the left or right side of the electrode arm.
1.3 Insert BNC connector into the connector socket labeled pH/ISE.
Rotate and push the connector clockwise until it locks.
Selecting the Measurement Mode
2.1 Press the
Mode
key and the
key to select the
Ion (Direct
Reading)
, press
Enter
key to confirm.
10
min.