Sierra Monitor Corporation 4105 manual Specifications

Page 13

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)

Image 13
Contents Model 4105 Series Applicability & Effectivity Table of Contents Section Product Description Wire Gauge Maximum Length Introduction WiringRecommended Wire/Cable Gauge Preventative MaintenanceQuick Start Transmitter Cover Plate Model 4105 Gas Sensor Module 12/02 OperationCalibration Service 4d Missing Electromechanical Sensor Fault Supervision 4b LEL Sensor Fault Supervision4a. Combustibles 4c Electrochemical Oxygen and ToxicsExplosion Proof Installation InstallationPower Supply Sensor LocationsCombustible Oxygen Wiring Diagram Model 4105 Gas Sensor Module 12/02Toxics Specifications Sensor Type Units Range Resolution Response TimeHCN Limitedwarranty Replacement PartsAppendix B L.C.D. Readout Calibration Procedure Appendix a Unity Gain ModeAppendix C End of Sensor Life Indication Appendix C Combustible Gas Scaling Factors Table Factor Combustible GAS Scaling Factors