Model CXT-IR
CXT-IR Instruction Manual
Rev. 2.1
Page 45 of 48
Appendix
9.1
Specifications
9.1.1
System Specifications
Sensor Type:
Continuous diffusion/adsorption type
NDIR Non-Disperse Infrared
Sub-miniature plug-in replaceable type
Sensor Life:
5 years typical
Measuring Ranges:
0-100% LEL, 0-100% by volume
Accuracy/ Repeatability:
± 3% LEL in 0-50% LEL range, ± 5% LEL in 51-100% LEL range
Response Time:
T50 < 10 seconds, T90 < 30 seconds
Electrical Classification:
Explosion proof
(CXT-IR)
Canada and US (NRTL)
Class I, Division 1, Groups C and D (Tamb = -40°C to +50°C)
Class I, Zone 1, Group IIB
ATEX/IECEx
Ex d ib IIB T4 Gb (Tamb = -40°C to +50°C)
SIRA 14ATEX1034X
EN 60079-0:2012, EN 60079-1:2007, EN 60079-11:2012
Warranty:
Electronics – 1 year
9.1.2
Environmental Specifications
Operating Temperature:
-40°C to +50°C typical
Storage Temperature:
-35°C to +55°C typical
Operating Humidity:
10-95% RH Continuous Duty
0-100% RH Short-Term Duration Only
Operating Pressure:
Ambient ± 10%
Air Velocity:
0-5 meters/second
9.1.3
Electrical Specifications
Input Voltage:
7.2-30VDC
Power Consumption:
25mW (Low Power Mode)
100mW (Typical)
5W (With Strobe Active)
RFI/EMI Protection:
Complies with EN61326
