Replacing New Sensor - SEFRAM 9891 Manuel D'utilisation

▪ When the Instrument signals a leakage, pull the probe away
from the leak for a moment, then bring it back to pinpoint the
location. If the refrigerant leak is large, setting the sensitivity
switch to LOW will make it easier to find the exact site of the
leak.
▪ Return the sensitivity switch to HIGH before searching for
additional leaks.
▪ When you've finished leak-testing, turn OFF the instrument
and store it in a clean place, protect the leak detector from
possible damage.

8. REPLACING NEW SENSOR

The sensor has a limited operative period. Under normal
operation, the sensor should work more than one year. Expose
the sensor under high density of coolant (>30000ppm) will shorten
its life cycle rapidly. It is important to ensure that sensor surface is
free from water droplets, vapor, oil, grease, dust and any or all
other forms of contaminant.
working condition of the unit, sensors must be replacement
periodically when its operative life is over.
WARNING!
worn-out sensor may be HOT!!
(1) Turn off power.
(2) Remove cone cap cover from the tip of snake tube.
Furthermore, to ensure good
When replacing new sensor, the
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Détecteur de fuite de gaz réfrigérant