Oldham OLCT 20 - Replacing a Sensor on OLCT 20

5 – Maintenance
14
Calibration specifications
Calibration shall be performed outside classified areas and by
using suitable equipment that is described during the training
course provided by OLDHAM or by a person authorized by
OLDHAM.
Replacing a sensor on OLCT 20
When?
- When the sensor is damaged or cannot be calibrated.
- On a preventive basis.
How?
- Turn off the relevant measuring channel.
- Remove the sensor to be replaced.
- Replace it with a new, precalibrated unit.
- Turn the channel on and check that it operates correctly.