Helium leak detector by Markes International Ltd

Helium leak detector by Markes International Ltd product image
Helium leak detector
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The helium leak detector is a portable, highly sensitive instrument designed to detect helium carrier gas leaks in thermal desorption and GC systems. Gas leaks are indicated with both an indicator lamp display and an audible alarm.

The long, flexible probe makes it convenient to detect small and hard-to-reach gas leaks. Using the detector for gases other than helium is easily achieved by changing the polarity setting. The detector is much more reliable and convenient than using soap solution, and is sufficiently sensitive to detect very small leaks (<1 mL/min).


  • Gases detected: Any gas having a different thermal conductivity than air.
  • Sensitivity: Helium 0.005 mL/min (standard range); 0.0005 mL/min (high range).
  • CE certification: CE certified.
  • Warranty: 1 year (return to base).