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16 Monitoring tcGas Remembraning the tcGas Transducer
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5
Remove any surplus electrolyte solution on the outside of the membranes with a soft tissue.
6 Make sure that the new membranes are secured by two O-rings on the transducer. If any air
bubbles are visible under the membranes, repeat this procedure - air bubbles will cause incorrect
readings.
7 After 24 hours you can calibrate the transducer. You must remembrane all new and dried out
transducers twice before calibration.
New/Dried Out Transducers
Remembrane all new or dried out transducers twice before using. After the first remembraning, unplug
the transducer from the module and leave it for 24 hours with the cap on. Remembrane again before
calibrating.
Storing tcGas Transducers
If you need to store a sensor for more than 24 hours, protect it for up to 28 days by putting two drops
of electrolyte solution into the cap. Screw the cap on the sensor. Remembrane if it dries out or after 28
days.
1 Unscrew the protection cap from the transducer and
hook the O-ring remover under both O-rings to remove
them.
2 Remove both of the clear plastic membranes using your
fingers.
3 Clean the transducer head, including the groove and
rim, with absorbent paper to remove all old electrolyte
(old electrolyte causes incorrect values) and apply
approximately two drops of electrolyte solution to the
transducer head.
4 Press the transducer head downwards into an unused
membrane replacer until the replacer retracts as far as it
can and you hear a click. Discard used replacer.