pH ISM Qualification Kit
4
Operation
4.1
Connecting the transmitter
to the pH ISM Qualification Kit
To qualify your measuring systems proceed as follows:
Please refer to the transmitter instruction manual for the exact de-
scription of the transmitter operation.
Step 1: Disconnect the ISM sensor from the measuring point.
Step 2: Connect one of the pH ISM Qualification Kit plug-in heads
Step 3: The preregistered values then are displayed on the trans-
Step 4: Check if the displayed values by the transmitter or the PLC
Step 5: In case you are using the Error simulators, check that the
Step 6: Report results into the attached spreadsheet "Protocol for
Problem solving: If any of the tests described above failed, you
should change the connecting cable and repeat the test. If the test
still shows the same result, the transmitter or the cable is defective.
If you are using a transmitter with current outputs, so ensure the out-
puts are correctly wired.
You must never do a calibration (the simulators are read-only).
You must never increment autoclave cycles (always set "NO" to
cycle counter), this is only needed if autoclave has been set to a val-
ue higher than 0.
© 12/2018 Mettler-Toledo GmbH, Greifensee
Printed in Switzerland
to the transmitter via the standard connecting cable.
mitter.
correspond to the predefined fixed values of the pH ISM
Qualification Kit plug-in head.
See certification for exact values and tolerances.
appropriate errors are correctly displayed by the transmitter
or the PLC.
pH ISM Qualification Kit".
pH ISM Qualification Kit
52 300 439 E
17