Emerson Rosemount 935 Reference Manual page 41

Open path combustible gas detector
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Reference Manual
00809-0100-4035
5.4.1
Signal limitation values
Table 5-1: Maintenance Channels' Limits
Channel
Reference
Signal
Ratio
NQRat
Lower explosive limit (LEL)
Temperature
Voltage
Note
The installation information refers to the installation distance.
Minimum
Medium
Maximum The maximum distance, as defined according to the model number.
Rosemount 935
Installation distance
Minimum
1 V gain 1
1 V gain 1
0.6 - 1.4
0.98 - 1.02
0 LEL x m
Up to 25 °C beyond ambient temperature
32 Vdc > V > 18 Vdc
The minimum distance, as defined according to the model number.
Half the maximum distance, as defined according to the model number.
Medium
Maximum
1 V gain 2
1 V gain 5
1 V gain 2
1 V gain 5
0.6 - 1.4
0.6 - 1.4
Operation
May 2022
41

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