User Guide

29
When the alarm is active the ALARM LED is lit.
The alarm contacts of HI 8931 and HI 943500 remain closed during
normal operation. If the measured conductivity level is not within the
tolerance of the set value, the alarm contact will be open.
TAKING MEASUREMENTS WITH HI8931 AND HI 943500
After setting the working point and alarm value, press the MEASURE key.
The actual conductivity value of the test solution will be displayed.
TAKING MEASUREMENTS WITH HI8936AL, HI8936BL,
HI 8936CL, HI 8936DL
The conductivity transmitters with LCD will
always display the measurement value
when connected to the HI8931 controllers
or a power supply.