Common Problems

The electrodes are manufactured to a very high specification and checked before dispatch. However they are installed and exist in some aggressive environments so problems can occur with the units during and after installation. To help our clients to avoid and identify these problems we have listed some of the common problems.

After installation the potential drifts to zero on the low impedance setting.
After installation the potential drifts to zero on the high impedance setting.
Electrodes exhibit open circuit below -10°C
Prior to installation the electrodes are “calibrated” on site and checked against the laboratory calibrations. The results do not correspond.
The electrodes are pre potted in a mortar cylinder and checked again to see if the readings correspond to the pre encapsulation test within +/- 3mv. The results are outside this range.
High positive readings are recorded after installation
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