Specifications | Sierra Monitor Corporation 4105 specs

Instruction Manual

8.SPECIFICATIONS

Model	4105-02	4105-03	4105-04	4105-05	4105-06	4105-07	4105-10
Gas	Comb.	O2	CO	H2S	Cl2	H2	SO2
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 158oF	19 to 122oF	14 to 122oF	14 to 122oF	14 to 122oF	14 to 122oF	14 to 122oF
	-10 to 75oC	-7 to 50oC	-10 to 50oC	-10 to 50oC	-10 to 50oC	-10 to 50oC	-10 to 50oC
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

Page: 10

Model 4105 Gas Sensor Module (12/02)