22
Operation
Function test
1. To check the functions of the conductivity transmitter, set code switch 10 to ON. This simulates a
value that exceeds the measuring range limit and provides a current output of 20 mA.
2. After finishing the function test, set the code switch back to OFF.
Code switch 10
Function test
OFF
Normal operation
ON
Simulation: measuring range limit exceeded
The two LEDs in the middle of the electronic circuit board indicate the status of
the conductivity transmitter.
Normal operation
Green LED
Red LED
Current output [mA]
Conductivity 0 to + 10 %
of measuring range
lit up
proportional to measured value
Conductivity 10 to + 90 %
of measuring range
lit up
lit up
proportional to measured value
Conductivity 90 to + 100 %
of measuring range
lit up
proportional to measured value
LED indicator
continued
