3
I
Overview
Connecting the Temperature Probe
2.1 Place the temperature probe into the circular hole located at the
center of the electrode arm.
2.2 Insert the jack plug to the connector socket labeled ATC. Ensure
the connector is fully seated.
Connecting the Power Adapter
3.1 Insert the connector of power adapter to the power socket.
3.2 Plug the 9V DC power adapter into the wall outlet.
Prior to Use
Soak the conductivity electrode for about 10 minutes in tap water to
remove dirt and oil stains on the sensor surface.
10
minutes
Switching the Meter On and Off
•
Press the
Meas
key for about 3 seconds and release to switch
on the meter.
•
Press and hold the
Meas
key to switch off the meter.
Meter Setup
The 12DW meter contains an integrated setup menu for customizing
the displayed option to meet measurement requirements. The
following table describes the functions of each menu item.
Menu Item
Option and Description
Cell Constant
Set the cell constant to match connected conductivity
electrode.
K = 0.1
K = 1 (default)
K = 10
Custom
Calibration Points
Set the number of calibration points.
1 point (default)
2 points
3 points
Temperature Coefficient
Set the temperature coefficient for linear temperature
compensation.
0.0 to 9.9%/° C (default 2.1)
1
2
3
