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GasCheck 5000IS Intrinsically Safe Handheld Leak Detector


Product Description

Designed for Portability
The GasCheck 5000IS intrinsically safe leak detector is a handheld, battery operated leak detector for sniffing. The 5000is includes the same features as the G3 with the ability to monitor flammable gases and is fitted with data-logging that enables time and date stamp record keeping and user settable alarm. IR port to download data to PC reader. Fitted with a large back lit LCD, the display shows unit setting and numerical readout, even in dark, confined spaces.

Accurate Reading
When searching for leaks the unit can easily be set into auto-range, giving the maximum sensitivity when required. The GasCheck uses a robust micro thermal conductivity sensor to detect any gas providing it is different from air or nitrogen. Calibrated for helium, the unit also has multiple gas selection including Ammonia, Argon, Butane, Hydrogen, SF6 and some refrigerants.

Upgrade your GasCheck 3000 to the LHHLD-5000IS
The newly-released and in stock LHHLD-3000IS GasCheck 3000IS is an upgrade to the popular GasCheck 3000 unit:

  • Readings in ppm, cc/sec, or mg/m3
  • Data logging of 10 points
  • New graphical icon display menu
  • Rapidly detects almost any known gas or gas mixture. Particularly sensitive to helium and hydrogen.
  • Capability to be calibrated by customer or in our lab with leak standard
  • Ability to monitor flamable gases

IS Units for Flamable Environments : IS or intrinsically safe units (LHHLD-3000is or LHHLD-5000is) are available for areas requiring instrisically safe instruments due to flamability concerns.


  • Detector: Micro volume thermal conductivity cell
  • Accuracy: +/-5% Displayed reading - One digit
  • Temperature: -20 to 60oC
  • Flow Rate: 2cc/min
  • Response: 1 second with 1 second clear downtime
  • Dimensions: 15"x 2.5" x 2" (LxWxD)
  • Weight: With batteries 1.1 pound
  • Batteries supplied: 4 AA
  • Battery Life: 40 hours (typical unit)
  • Also available with sniffer style calibrated leaks

Sensitivity (cc/sec)

  • He = 1x10-5
  • CH4 = 1x10-4
  • R12 = 8x10-5
  • Ar = 1x10-4


  • Quality Assurance Testing on Component Seals
  • Membrane Materials & Glove Boxes
  • Stored Gases & Chemicals
  • Gas Cylinders & Fittings
  • Gas Chromatographs
  • Mass Spectrometers
  • Gas Installations
  • Pipeline Assemblies
  • Anaesthetic Gas Bottles
  • Valve Emission Evaluation
  • Pipeline Joints, Gaskets & Chamber Windows

Package Includes

The GasCheck 5000is Handheld Leak Detector includes carrying case, instruction manual, and a certificate of calibration.



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