Water Hardness
Calibration and Measurement
This section is applicable to model
• 932
Prior to Use
1. Connect the water hardness electrode to the meter (refer to the
Connection section on page 6).
2. Remove the protective cap and soak the electrode in a 10 mmol/L
standard solution for about 10 minutes.
Selecting the Measurement Mode
The meter contains 8 water hardness measurement modes. Press the
Mode key, the display will show corresponding icon and automatically
enter selected measurement mode.
Note, the meter allows entering the setup menu or performing the
calibration in the mode only.
Water Hardness Settings
The meter contains 1 water hardness setting and 7 general settings
in the setup menu.
Calibration Points
Set the number of calibration points.
2 to 5 points (default 2 points)
If you want to change the current settings, press and hold the key
to enter the setup menu. Press the / key to select an option and
press the Enter key to confirm.