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GMI Gasurveyor 6-500
  • GMI Gasurveyor 6-500
  • GMI Gasurveyor 6-500
  • GMI Gasurveyor 6-500

GMI Gasurveyor 6-500 LEL VOL CO

GMI Approved distributor

lead time Lead Time Approx. 14-28 Days.

The Gasurveyor 6-500 compliments the Gasurveyor 3-500 measuring % LEL and % volume flammable hydrocarbons, but with the addition of carbon monoxide.

6-500 Options

This instrument is supplied with alkaline batteries. For the rechargeable battery version, please select the Gasurveyor 6-500R from the OPTIONS dropdown.

The Gasurveyor 6-500 is a two button instrument designed to measure Lower Explosive Level flammable gas, Volume flammable gas and Carbon Monoxide. The instrument is designed to the latest standards and is certified for use in Hazardous Areas. The instrument contains electrochemical sensors with a life of 2 years.

The Gasurveyor 6-500 and 6B-500 contain the following ranges: LEL flammable, 0 to 100%, Volume Gas flammable, 0 to 100% Carbon Monoxide, 0 to 1000 ppm. The LEL range indicates the explosibility of the flammable gas in the sample. This is displayed as a percentage of the lower explosive limit (LEL) of the gas. For methane 100% LEL corresponds to 5% Volume methane in Air.


Automatic hydrocarbon range selection.
Manual CO selection.
Simple 2-button operation, allowing user access to all features.
Automatic zero.
Gas/air purge mode.
Hydrocarbon resolution to equivalent of 50 ppm methane.
Accurate, robust and extremely reliable instrument.
Integral pump with flow-path protected by water filter.
Rugged carbon loaded polypropylene case, sealed to IP54 rating and suitable for outdoor use.


Leak detection.
Bar hole survey.
CO spillage from combustion sources.
Gas escape detection.
Petroleum installations.
Hot work permitting.
Confined space (only hydrocarbon and carbon monoxide gases).

Instrument Type and Measuring Ranges
Gasurveyor 3-500
(flammable gas only)
0 to 100% LEL
0 to 100% Volume Gas.
Gasurveyor 6-500
(flammable gas and carbon monoxide)
0 to 100% LEL
0 to 100% Volume Gas
0 to 100O PPM Carbon Monoxide.
Gasurveyor 11-500
(flammable gas and oxygen)
0 to 100% LEL
0 to 100% Volume Gas
0 to 25% Oxygen.

Gasurveyor 6-500 Specifications:

  • Measuring Range: CO 0 – 1000ppm.
  • Measuring Range: Lower Explosive Level (LEL) 0 – 10%, LEL 10 – 100%.
  • Measuring Range: VOLUME GAS 0 – 100%.
  • Humidity: 0 – 95% RH non-condensing.
  • Temperature: -20°C to +50°C (-4°F to +122°F).
  • Alarms: Highly visible flashing LED, Sounder: In excess of 80 db(A).
  • Power Supply: Alkaline: Approx. 15 hours’ run-time, Rechargeable (NiCd): Approx. 9 hours’ run-time.
  • Dimensions: 180 (H) x 95 (W) x 105 (D) mm, 7.1 (H) x 3.7 (W) x 4.1 (D) in.
  • Weight: 1.7kg (3.75lbs.) with alkaline batteries.
  • Gasurveyor 6-500 warranty: 2 years.


Includes: GMI Gasurveyor 6-500 Instrument, G500 Carry Case, 4mm Hex Driver, User Handbook, 1.5M Tygon Tubing, 35cm Solid End Probe, Probe Handle Assembly c/w Filters, Cotton Filters – 2 Boxes of 10, Sample Line Adaptor, Shipping List, LR20 Alkaline Battery x 4 (10278) *Dry Cell Instruments Only*.


GMI Gasurveyor 500 Datasheet

PDF Specifications of the GMI Gasurveyor 3-500, 6-500 & 11-500 Flammable Gas Leak Location Instruments.

Download (1.56M)

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GMI Gasurveyor 6-500 LEL VOL CO

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