• Détecteur de fuites de gaz

Détecteur de fuites de gaz

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GasCheck G rapidly and accurately detects almost any gas or gas mixture down to highly sensitive levels.

Best available leak detection

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

Ease of use

  • Simple, one handed operation
  • Large, clear LCD back lit display for easy viewing
  • Graphical icon menu
  • Conveniently calibrated against helium


  • Choice of readings in cc/sec, g/yr, mg/m3
  • Easily upgradeable throughout the range

Low cost operation

  • Inexpensive consumables and parts
  • Free 2 year warranty when instrument registered online


Designed for the search and location of gas leaks, GasCheck G has an advanced micro thermal conductivity sensor for fast, effective detection of almost any gas or gas mixture.

Robust and reliable, GasCheck G provides stable, repeatable readings of the detected gas. The instrument’s LCD display, LED indicator and audible sounder clearly indicate the leak present.

GasCheck G automatically zeros to the ambient air around it when switched on and is ready to detect immediately. The instrument’s easy to use graphical interface and intuitive keypad allows simple function, selection and adjustment.

Upgradeable throughout the range, GasCheck G is available in three distinct versions; G1, G2 and G3 with varied capabilities. Features can be easily added to upgrade the instrument without it having to be returned to the factory.



  G1 G2 G3
Rapid detection of gas leaks X X X
Measures gas leaks (single gas)   X  
Measures gas leaks (up to 20 gases)     X
Audible sounder X X X
Flashing back-lit display X X X
Peak hold readings   X X
Factory or custom calibration available   X X
Data logging (store up to 10 readings)     X
Readings displayed in cc/sec, g/yr, ppm or mg/m3     X
Selectable battery type     X
Upgradeable X X  

Key: Standard Feature X
The G2 model is factory configurable only, the Gas and measurement units must be specified with the order.


Extend your instrument warranty Applications Accessories
Your GasCheck G instrument warranty may be extended by simply
registering your product on the Ion Science website within one month of purchase.
Industrial, Quality Assurance, Manufacturing, Laboratory, Medical, Research GasCheck G is supplied with an exclusive range of accessories.



Detector Micro 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 (cc/sec) He 1 x 10-5, CH4 5 x 10-5, R12 5 x 10-5, Ar 1 x 10-4
Accuracy – 5% displayed reading – one digit
Response T90 = 1 second rise and clear down
Sound Flashing led and 90 dba (at 10 cm) audible sounder
Calibration Factory calibrated 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: -20ºC to +60ºC, -4ºF to 140ºF
Storage: -20ºC to +70ºC, -4ºF to 158ºF
Humidity: 0 to 99% RH (non-condensing)
Flow rate 2 cc/min
Weight & 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


Model Descritpion


GasCheck G1