Protégé Portable Gas Monitor
Instruction Manual
52 of 61
P/N 087-0038 Rev. J 02/10
3) Lift and firmly pull housing cover apart. Do not pull apart at an angle or by twisting.
4) Rotate the sensor PC board over to expose the three sensors.
5) Unplug desired sensor and replace with new sensor. Refer to Figure 5-2
.
NOTE
E
ACH SENSOR TYPE HAS A UNIQUE POSITION AND PIN LOCATIONS TO PREVENT SENSORS BEING INSTALLED IN
WRONG LOCATIONS
.
Figure 5-2. Removing Sensor
6) Rotate PC board back to its original position aligning the 2 pins to their receptacle socket.
Refer to Figure 5-3.
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