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Model 4501-XX Toxic Gas Sensor Module
8. APPENDICES
APPENDIX A: SPECIFICATIONS
Specifications:
Sensor:
4501-04 4501-05 4501-06
Max. Range (1) 0-1200 PPM 0-100 PPM 0-10 PPM
Zero Drift +/- 1 PPM +/- 0.5 PPM +/- 0.5 PPM
Repeatability +/- 1 PPM +/- 1 PPM +/- 0.5 PPM
Linearity +/- 1 PPM +/- 1 PPM +/- 0.5 PPM
Resolution 0.5 PPM 0.1 PPM 0.1 PPM
Response Time (2) <25 sec. <30 sec. <60 sec
Sensor Life (3) 2 years 2 years 2 years
(1) Optional ranges available
(2) Response time to 90% full signal value for applied concentration
(3) Sensor life typical for use at standard temperature and pressure with occasional exposure to gas of interest
Output:
Display: LCD, 2-line, 20-characters
Signal Output: 2-wire sensor powered analog 4-20 mA (Trouble: 3.6 mA)
Loop Resistance 800 ohm
Electrical Data:
Power consumption: <160 milliwatts
Connection type: 2 wire
Input voltage: 24 VDC nominal: 14-30VDC, 2-wire loop powered
RFI/EMI Protection: EN50081-2, EN50082-2
Operating Range:
4501-04 CO 4501-05 H2S 4501-06 Cl2
Ambient Temp (
o
F) -4 to 122
o
F -40 to 122
o
F -4 to 122
o
F
Ambient Temp (
o
C) -20 to 50
o
C -40 to 50
o
C -20 to 50
o
C
Relative Humidity 5 – 99% 5 – 99% 5 – 99%
Extended Range Sensor and 4-20 mA will continue to operate to -40
o
F (-40
o
C) but the
Operation LCD display will decay over time if exposed to temperatures below -4
o
(-
20
o
C) for significant time
Storage Temperature: -4
o
to 122
o
F(-20
o
to 50
o
C)
Enclosure:
Dimensions: 7.0 x 3.6 x 4.0 inches (H x W x D)
(17.8 x 9.1 x 11.2 cm)
Weight: 4.4 lb. (2.0 Kg)
Material of Construction: 316 Stainless Steel
Enclosure: NEMA 4X
Electrical Classification:
FM Approved: Explosion proof, Class 1, Div. I, Groups B, C, D
Class 1, Zone 1, Group IIB+H2 IP66
Approvals:
FM Performance Approval: Approval Standards: ISA-92.0.01, Part I-1998 and FM 3600
(4501-05 only)
Remote Sensor Option:
Distance Sensor to Transmitter: 4501-04 25 feet
4501-05 25 feet
4501-06 15 feet
Page: 18