Mettler Toledo pH-Simulator 112 Betriebsanleitung Seite 7

pH Simulator 112
Trouble-shooting diagram II
Input current of
transmitter to high
1. Check transmitter
2. Repeat test
3. Send to service
Transmitter
OK
END
© 12/2018 Mettler-Toledo GmbH, CH-8606 Greifensee
Printed in Switzerland
No
A
Transmitter resistance
No
* The value displayed should correspond to the accuracy needed.
The accuracy of the simulator is ±0.004 pH.
B
No
pH9*?
Yes
Linearity
OK
Set simulator to
pH7 HIGH
pH7*?
Yes
Input current of
transmitter OK
Set simulator to
pH9 HIGH
No
pH9*?
Yes
Yes
OK
Test temp.
compensation?
Yes
C
Bad linearity
1. Check transmitter
2. Repeat test
3. Send to service
A
Chang
e cable
pH9*?
No
Transmitter resistance
too low
1. Check transmitter
2. Repeat test
3. Send to service
A
pH-Sim 112-02-CH
59 905 998 C
7