Rae QRAE 3 - Sensor Configuration Changes

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12.4. Changing The QRAE 3 Sensor Configuration
IMPORTANT!
The following table lists sensor slot allocations on the printed circuit board inside the QRAE 3.
When changing sensors, be careful to make sure each sensor is in the correct slot and that the pins
are not bent or incorrectly placed.
Sensor configuration:
Slot
Model
Slot 1
Slot 2
(Group P)
Slot 3
Slot 4
(Group P)
Updated
PGM-2500/D
3R LEL
3R H
2
S (3 pins)
4R Liquid O
2
3R CO
(3 pins)
3R CO (3 pins)
3R H
2
S
(3 pins)
3R SO
2
3R SO
2
3R HCN
3R HCN
3R NH
3
3R NH
3
3R PH
3
3R PH
3
Sensor configuration:
Slot
Model
Slot 1
Slot 2
(Group N)
Slot 3
Slot 4
(Group P)
Updated
PGM-2560/D
3R LEL
3R NO
2
4R Liquid O
2
3R CO
3R H
2
S
3R SO
2
3R Cl
2
3R HCN
3R NH
3
3R PH
3
Note: In order to support this procedure, your QRAE 3’s current firmware must be V2.02 or
above. ProRAE Studio II must be V1.9 or above.