Setup
I
4
Measurement Unit
Set the default temperature unit.
Degrees Celsius (default)
Degrees Fahrenheit
Auto-Hold
If enabled, the meter will automatically sense and
lock the measurement endpoint.
Enable
Disable (default)
Auto-Power Off
If enabled, the meter will automatically switch off
if no key is pressed within 3 hours.
Enable
Disable (default)
Factory Reset
Reset the meter to factory default settings. Note,
the meter must be recalibrated.
Enable
Disable (default)
Setting the Default Option
1. In the measurement mode, press and hold the
key to enter the
setup menu.
2. Press the
/
key to select an option, press the
Enter
key to
confirm and switch to the next menu item.
3. Repeat the steps above until the meter returns to the
measurement mode.
To exit the setup menu without saving changes, press the
Meas
key.
Temperature Compensation
The temperature compensation has a large effect on the conductivity
measurement. If enabled, the meter will use the measured conductivity
and temperature readings to calculate the results and automatically
compensate to the selected reference temperature. If the temperature
coefficient is set to 0, the temperature compensation will be disabled
and the meter only shows the actual conductivity at the measured
temperature.
Automatic Temperature Compensation
Connect the temperature probe to meter, the ATC icon appears on the
display, the meter is now switched to the automatic temperature
compensation mode.
Refer to the
Connecting the Temperature Probe
section on page
3.
Manual Temperature Compensation
If the meter does not detect a temperature probe, the degrees Celsius
icon (° C) will show on the display indicating the meter is switched to
the manual temperature compensation mode.
To set the temperature
value follow the steps below.
1. Press the
° C
key to enter the temperature setting.
2. Press the
/
key to modify the temperature value.
3. Press the
Enter
key to save.
Press and hold the
/
key will make the value change faster.
Selecting a Conductivity Electrode
The 12DW meter is capable of using three types of the conductivity
electrodes. Before the calibration and measurement, ensure that you
have selected a suitable electrode according to the anticipated sample
conductivity. The following table lists the selectable electrode and its
effective measurement ranges.
Electrode
Measurement Range
Cell Constant
CON-0.1
0.5 to 100 µ S/cm
K = 0.1
CON-1
10 µ S/cm to 20 mS/cm
K = 1
CON-10
100 µ S/cm to 200 mS/cm
K = 10
Option
Menu item