User's Manual

3 Specifications
Table 1. Main Specifications
Target Gas
Working Principle
Sensitivity
Detection Range (CH4)
Measurement Accuracy
Response Time
Detection Distance
Weight
Size
Operating Voltage
Rated Current
* Specifications are subject to change without notice
Methane（CH4）and methane-containing gases
Tunable Diode Laser Absorption Spectroscopy
(TDLAS)
5 (Actual) ppm*m
0 ~ 99999 ppm*m
±10% (100~50000 ppm*m)
0.1 s (configurable)
5 m~50 m (Actual distance may vary due to
background type and conditions)
< 600 g
Laser Classes
Operating Temperature
Operating Humidity
Enclosure Level
Infrared Laser: Class I Eye Safe
Wavelength: 1651 nm, <10 mW
Green Indication Laser: Class 3R, Avoid direct
eye exposure
Wavelength: 520 nm, <5 mW
-20℃~+50℃
< 80%RH, Non-condensing
IP54
Beam Size Divergence angle: 2 mrad（4 cm at 20 m）70 mm*87 mm*120 mm
DC 7~12 V
<1 A
0.3 A (typical value) under 8 V power supply
Data Output
Methane concentration, light intensity,
temperature, etc.
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