Trouble-Shooting Diagrams - Mettler Toledo pH-Simulator 112 Betriebsanleitung

6
8.

Trouble-shooting diagrams

Trouble-shooting diagram I
Set temp. compens.
to 20 °C
pH-Sim 112-02-CH
59 905 998 C
START
Set simulator to
pH7 LOW
Tune transmitter to
pH7 with
zero adjustment
OK?
Yes
Set simulator to
pH4 LOW 20 °C
Yes
Temp. comp.-
installed?
No
Set pH4 with
slope adjustment
OK?
Yes
Set simulator to
pH9 LOW
B
* The value displayed should correspond to the accuracy needed.
The accuracy of the simulator is ±0.004 pH.
A
No
Change cable
Yes
Zero-point
settable?
No
1. Check transmitter
2. Repeat test
3. Send to service
A
No
Change cable
Yes
Slope
adjustable?
No
1. Check transmitter
2. Repeat test
3. Send to service
A
© 12/2018 Mettler-Toledo GmbH, CH-8606 Greifensee
pH Simulator 112
Printed in Switzerland