Handheld Remote
Methane Leak Detector

HS4000 Handheld Remote Methane Leak Detector
Test condition: 82% diffuse reflectivity,
15000 ppm*m methane gas concentration

Detection Performance

134% diffuse reflectivity


Additional information

Target Gas

Methane (CH4) and methane-containing gases

Working Principle

Tunable Diode Laser Absorption Spectroscopy (TDLAS)


5 (actual) ppm*m

Measurement Accuracy

±10% (100~50000 ppm*m)

Detection Distance

200 m (Test condition: 82% diffuse reflectivity, 15000 ppm*m methane gas concentration)

Response Time

5 ms


0.76 kg (with battery and sight)


160mm x 210mm x 80mm (without sight)

Enclosure Level


Operating Temperature


Operating Humidity

<80%RH, non-condensing

Explosion Proof Classification

Ex ib op is IIA T3 Gb ExII 2 G Ex ib op is IIA T3 Gb

Other Features

High Sensitivity

5 ppm*m detection sensitivity

Built-in Sight

For precision aiming at a distance

Calibration Free

Complete self-test within 
10 s (typical value) after boot


Residential Areas
Natural Gas Pipelines
Natural Gas Stations
LNG Vehicles
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*Please read the relevant safety precautions before using the product.

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