Rae QRAE 3 - Sensor Configuration

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12.3. Sensor Locations
IMPORTANT!
The current QRAE 3 model number is PGM-25XX (“D” indicates Diffusion). Sensors must be
placed in the indicated sockets. A diffusion (“D”) instrument cannot be changed to a pumped
version, nor can a pumped version be converted to a diffusion version.
PGM-2500/D
Slot 1
Slot 2
Slot 3
Slot 4
LEL
X
EC
X
(Group P)
X
(Group P)
OXY
X
Group P: CO, H
2
S, SO
2
, HCN, NH3. and PH3
PGM-2560/D
Slot 1
Slot 2
Slot 3
Slot 4
LEL
X
EC
X
(Group N)
X
(Group P)
OXY
X
Group N: Cl
2
, NO
2
IMPORTANT! Always calibrate the instrument after replacing or removing sensors.