Table of Contents
Advertisement
pH 3150i
Obviously incorrect
measured values
Instrument does not
react to keystroke
Cause
pH electrode:
– pH electrode unsuitable
– Temperature difference
between buffer and test
sample too high
– Measurement procedure
not suitable
Cause
– Operating condition
undefined or EMC load
unallowed
Remedy
– Use suitable electrode
– Adjust temperature of buffers
or sample
– Follow special procedure
Remedy
<CAL>
– Press the
<ON/OFF> keys at the same
time and release them again.
The software version is
displayed briefly.
What to do if...
and
35
Advertisement
Table of Contents
