47
LRG 1x-6x - Installation & Operating Manual -
819878-00
Changing the unit of the display value (µS/cm or ppm)
The unit of the displayed measured value can be switched between µS/cm and ppm (parts per million).
The conversion from µS/cm to ppm is: 1 µS/cm = 0.5 ppm
Note the setting instructions on page 40 and proceed as follows:
1.
Select the parameter “
Unit
”.
2.
Press and hold the rotary knob until the current value flashes on the display.
3.
Set the desired display unit (µS or ppm).
Display of the set unit by means of LEDs:
■
■
LED 3
(green) = µS/cm
■
■
LED 4
(green) = ppm
4.
Save your set value by pressing the rotary knob for approx. 1 second.
Triggering a display test manually
Note the setting instructions on page 40 and proceed as follows:
1.
Select the parameter “
diSP
”.
2.
Press and hold the rotary knob until the display test starts by showing “
....
”.
3.
The following numbers and decimal points run across the display from right to left:
“...., 1, 2, 3, 4, 5, 6, 7, 8, 9, ....”
4.
Check that all numbers and decimal points are displayed correctly.
The display test runs automatically until it has finished, and cannot be interrupted.
5.
The display test ends with the message “
donE
”.
Replacing faulty equipment
Faulty equipment jeopardises system safety.
■
■
If numbers or decimal points are displayed incorrectly or not at all, you must replace the
conductivity electrode with an identical one from GESTRA AG.
Bringing into service
