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Model 4105 Gas Sensor Module (12/02)
Page: 10
Instruction Manual
Model 4105-02 4105-03 4105-04 4105-05 4105-06 4105-07 4105-10
Gas Comb. O
2
CO H
2
S Cl
2
H
2
SO
2
Sensor Type Catalytic E.C. E.C. E.C E.C. E.C. E.C.
Units %LEL % Vol ppm ppm ppm ppm ppm
Range 0-100 0-25% 0-1000 0-100 0-10 0-1000 0-100
Resolution 3% F.S. 0.1% F.S. 1 0.1 0.1 2 0.5
Response Time Note 1 10 sec. 25 sec. 30 sec. 60 sec. 30 sec. 20 sec.
to 90% of signal
Sensor Life
2
3 Yrs 2 yrs 2 yrs 2 yrs 2 yrs 2 yrs 2 yrs
Operating Range
Temperature 14 to 158
o
F 19 to 122
o
F 14 to 122
o
F 14 to 122
o
F 14 to 122
o
F 14 to 122
o
F 14 to 122
o
F
-10 to 75
o
C -7 to 50
o
C -10 to 50
o
C -10 to 50
o
C -10 to 50
o
C -10 to 50
o
C -10 to 50
o
C
Relative Humidity 10-95% 5-99% 15-90% 15-90% 15-90% 10-90% 15-90%
Pressure 10% 10% 10% 10% 10% 10% 10%
Electrical Data
Input Voltage DC 19-30VDC at less than 100 mA
Output-Normal 4-20 mA DC linear
Output-Trouble 0 mA
Construction
Dimensions H: 7.6", D: 4.6", W: 4.2" (19.3 x 11.7 x 10.7 cm)
Weight (Module) 5.0 lb. (2.2 kg)
Mounting 3/4" NPT
Housing Explosion proof
(NEMA 7) / NEMA 4X Enclosure (Div. I, Class 1, Groups B, C, D)
Notes: 1. Step to 50% LEL within 10 sec, recovery to 10% LEL within 30 sec.
2. Sensor life is for use at standard temperature and pressure with occasional
exposure to the gas of interest
8. SPECIFICATIONS