GasCheck G

Handheld Helium Gas Leak Detector

The GasCheck handheld helium gas leak detector represents the latest in gas detection technology. Its advanced system of micro thermal conductivity enables advanced sensitivity for the rapid, effective detection of gas leaks down to cc/sec, mg/m³ or ppm levels.

Designed for the search and location of gas leaks, the GasCheck handheld helium gas leak detector provides you with effective detection of almost any gas or gas mixture. Robust and reliable, the handheld gas leak detector gives stable, repeatable readings of the detected gas.

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Ultimate Performance

  • Fast, accurate leak detection at highly sensitive levels
  • Detects almost any known gas or gas mixture
  • Reliable, stable, repeatable readings
  • Particularly sensitive to ammonia, argon, butane, helium, hydrogen and SF6

Ultimate Safety

  • Large, clear LCD back lit display for easy viewing
  • Audible sounder clearly indicates the gas leak present

Technical Specification

Detector Mirco thermal conductivity detector (MTCD)
Sensor is poison resistant with over range protection
Operation Battery type: 4 x alkaline AA size or NiMH (rechargeable)
Typically 40 hours life
Sensitivity He 1 x 10-5, CH4 5 x 10-5
R12 5 x 10-5, Ar 1 x 10-4
Accuracy ± 5 % display reading ± one digit
Response T90 = 1 second rise and clear down
Sound Flashing LED and 90 dBA (at 10 cm) audible sounder
Calibration Factory calibration to fully documented procedures in accordance with our ISO 9001:2008 quality management system
Data Logging 10 data points (available for G3 only)
Temperature Operating: – 20 to 60 °C, – 4 to 140 °F
Storage: – 20 to 70 °C, – 4 to 158 °F
Humidity: 0 to 99 % RH (non condensing)
Flow Rate 2 cc/mm
Weight and Dimensions Instrument with probe: 390 x 60 x 49 mm, 15.5 x 2.3 x 1.9″
Case: 420 x 320 x 97 mm, 16.5 x 12.5 x 3.8″
Instrument: 0.45 kg, 1 lb, packed 1.6 kg, 3.5 lb
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For further supporting documentation for GasCheck G handheld helium gas leak detector, please see below.

GasCheck G Handheld Helium Gas Leak Detector Accessories and Replacement Parts

There are a number of accessories and replacement parts available for the GasCheck G handheld helium gas leak detector, which can be found below. Please contact us if you would like more information or to place an order.


If you have any further questions, please inquire now.

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