Sierra Monitor Corporation 4105 manual Hcn

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Instruction Manual

8.SPECIFICATIONS (Cont.) Cross Sensitivities (toxic sensors)

Model	Gas	Reading from 100 ppm of interfering gas
Number	Type	CO	H2S Cl2		H2	SO2	NO2	NO	HCl	HCN	C2H4
4105-04	CO	100	315	-15	<40	50	-55	30	2	40	<50
4105-05	H2S	<0.5	100	-20	<0.1	<15	-15	0	0	0	0
4105-06	Cl2	0	<-10	100	0	0	105	0	0	0	0
4105-07	H2	<1	<20	0	100	3	0	35	3	35	85
4105-10	SO2	<1	0	-40	0	100	-100	0	0	15	0
4105-12	N O 2	0	-20	90	0	0	100	0	0	-3	0
4105-21	HCl	0	75	-10	0	35	-2	0	100	-8	0
4105-22	HCN	<0.5		-50	0	160	-190	-5	30	100	<1
4105-25	N H	0	0	0	-	40	0	0	-	-	-
	3
4105-26	HF	0	0	9	0	9	5	-	6	-	-

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Model 4105 Gas Sensor Module (12/02)

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Contents Model 4105 Series Applicability & Effectivity Table of Contents Section Product Description Preventative Maintenance Introduction WiringWire Gauge Maximum Length Recommended Wire/Cable GaugeQuick Start Transmitter Cover Plate Model 4105 Gas Sensor Module 12/02 OperationCalibration Service 4c Electrochemical Oxygen and Toxics 4b LEL Sensor Fault Supervision4d Missing Electromechanical Sensor Fault Supervision 4a. CombustiblesSensor Locations InstallationExplosion Proof Installation Power SupplyOxygen Wiring Diagram Model 4105 Gas Sensor Module 12/02 CombustibleToxics Specifications Sensor Type Units Range Resolution Response TimeHCN Limitedwarranty Replacement PartsAppendix a Unity Gain Mode Appendix B L.C.D. Readout Calibration ProcedureAppendix C End of Sensor Life Indication Appendix C Combustible Gas Scaling Factors Table Factor Combustible GAS Scaling Factors