GMI PPM Gasurveyor 500 Portable Gas Detector

Code: 42500
  • Fast response search mode to locate ppm level leaks quickly
  • Automatic zero
  • Accurate, robust & reliable

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The PPM Gasurveyor 500 compliments the Gascoseeker 2-500 with similar performance. It measures % LEL and % volume of flammable hydrocarbons, but it adds ppm ranges for all aspects of leak detection.

The high-sensitivity parts per million (ppm) range is enhanced by the ppm search range, which has higher sensitivity and faster response.


  • Automatic hydrocarbon range selection for LEL and Vol %
  • Manual selection of ppm and search mode
  • Simple 2-button operation, allowing user access to all features
  • Audio/visual Geiger function (ticker) for leak detection
  • Hydrocarbon resolution to the equivalent of 5 ppm methane
  • Integral pump with flow-path protected by water filter
  • Rugged carbon-loaded polypropylene case, sealed to IP54 rating and suitable for outdoor use​

Order Information

42500 PPM Gasurveyor 500 – Search, PPM, LEL, Volume (Alkaline)
42500R PPM Gasurveyor 500R – Search, PPM, LEL, Volume (Rechargeable)
All instruments are supplied with Dry cell batteries (not USA) or NiCad Pack, harness, hex driver, operator handbook, carrying case + inserts, ppm probe handle assembly, probe adaptor, probe bellows, shrouded swan neck probe and 20 cotton filters.
13563 Bellows (cup probe) (PPM Gasurveyor)
13655 Swan Neck Probe (PPM Gasurveyor) c/w Shroud and Skids
12451 Hex Driver for Base Screws
12370 30 mm harness assy
42142 User Handbook
10077 Cotton Filters (Box of 10)

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Additional information

Weight 0.190 kg