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GX-3R Handheld Detector

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The GX-3R Pro is the largest 5-gas detector that fits in the palm of your hand (2.9" W x 2.6" H x 1.06" D).

It monitors and displays 5 different gases simultaneously. In addition to monitoring the standard confined space gases LEL, O2, CO and H2S, the
GX-3R Pro has a 5th channel where you can add infrared or toxic gas sensors (cyanide sensors). Hydrogen (HCN) and Nitrogen Dioxide (NO2) are currently available for the GX-3R Pro). Two of the four sensor locations have interchangeable sensors providing flexible configurations, which can easily be changed in the field.

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ATEX, IECEx, INMETRO, CE certified Target gases: LEL/O2/CO/H2S

The world's smallest and lightest gas monitor

Only approx. 100g

Water and dust resistant, IP66/68 Audible alarm sound 95dB at 30cm

Data sheet

Gas type
Carbon dioxide
Carbon monoxide
Hydrogen cyanide
Nitrogen dioxide
Sulphur dioxide
Number of gases detected
Detection range
0 to 100% LEL (HC/CH4) 0 to 40 vol% (O2) 0 to 2000 ppm (CO) 0 to 200 ppm (H2S)
Alarm display
Flashing light / buzzer / vibration
Food source
Rechargeable lithium-ion battery unit
Continuous operation
About 40 hours after fully charged (with long battery mode)
Approx. 58(W)×65(H)×26(D)mm
About 100g
Detector type
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