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Instruction Manual
Model 4105 Gas Sensor Module (12/02)
Page: 11
Model 4105-12 4105-21 4105-22 4105-25
3
4105-26
3
Gas NO
2
HCL HCN NH
3
HF
Sensor Type E.C. E.C. E.C. E.C. E.C.
Units ppm ppm ppm ppm ppm
Range 0-20 0-20 0-20 0-50 0-10
Resolution 0.2 0.5 0.1 0.1 0.5
Response Time 35 sec. 150 sec 70 sec. 45 sec. 30 sec.
to 90% of signal
Sensor Life
2
2 yrs 2 yrs 2 yrs N/A N/A
Operating Range
Temperature 14 to 122
o
F 14 to 122
o
F 14 to 122
o
F 14 to 113
o
F 14 to 113
o
F
-10 to 50
o
C -10 to 50
o
C -10 to 50
o
C -10 to 45
o
C -10 to 45
o
C
Relative Humidity 15-90% 15-90% 15-90% 20-90% 20-90%
Pressure 10% 10% 10% 10% 10%
Electrical Data
Input Voltage DC 19-30 VDC 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: 2. Sensor life is for use at standard temperature and pressure with occasional exposure to the gas of interest
3. Diffusion via membrane. Dimensions are H: 10.2", D: 6.0", W: 6.0" (25.9 x 15.2x 15.2 cm)
8. SPECIFICATIONS (Continued)