UNISENSE N2O-50, Руководство пользователя

Страница: 21 / 23

21 21
Problem
A high signal
Possible cause Possible oxygen interference if the oxygen front guard is
damaged
Solution Replace the microsensor
Problem A high signal (2)
Possible cause Air is trapped in the tip
Solution Degas water by boiling and subsequent cooling or by 10 min
of vacuum treatment. Immerse the sensor tip for 20 min in
the degassed water. Repeated or prolonged treatment may
be necessary.
Problem The signal is very low
Possible cause Contamination of the cathode surface (e.g. by sulfide) or
loss of the cathode material due to excessive vibration.
Solution Replace the microsensor.
If you encounter other problems and need scientific/technical assistance,
please contact sales@unisense.com for online support
(we will answer you within one workday)