Free First Service on monitors if purchased before the 31.12.19. Certificate to be included with monitor on dispatch.

GMI Gasurveyor 500 series

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GMI Gasurveyor 500 series

£1,750.00 ex. VAT

Free First Service on this monitor if purchased before the 31.12.19. Certificate to Be included with monitor on dispatch.

Key Features:

  • Range of 4-button and 2-button instruments
  • ATEX & MED certified
  • Auto range LEL/Vol. %
  • 4-bButton series dual mode with datalogging
  • Up to 4 gases
  • Robust durable case
  • Auto calibration available

Gasurveyor 511 – LEL & Vol.
Gasurveyor 512 – ppm, LEL & Vol.
Gasurveyor 521 – LEL & Vol., O2
Gasurveyor 522 – ppm, LEL & Vol., O2
Gasurveyor 523 – LEL & Vol., H2S
Gasurveyor 524 – ppm, LEL & Vol., H2S
Gasurveyor 525 – LEL & Vol., CO
Gasurveyor 526 – ppm, LEL & Vol., CO
Gasurveyor 531 – LEL & Vol., O2, H2S
Gasurveyor 532 – ppm, LEL & Vol., O2, H2S
Gasurveyor 533 – LEL & Vol., O2, CO
Gasurveyor 534 – ppm, LEL & Vol., O2, CO
Gasurveyor 536 – ppm, LEL & Vol., H2S, CO
Gasurveyor 541 – LEL & Vol., O2, H2S, CO
Gasurveyor 542 – ppm, LEL & Vol., O2, H2S, CO

I will be needing the following options … *

Please select a maximum of 2 options.

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The GMI Gasurveyor 500 Series is the most flexible range of gas detectors available today. By simple selection of hardware and software options, the instrument can be readily configured to suit your exact application.
Offering highly accurate and reliable instrumentation in an extremely robust, anti-static case, the Gasurveyor 500 Series measures gases common in many applications.

Any combination of flammable gas from parts per million (ppm) through Lower Explosive Limit (LEL) to percent volume, oxygen, carbon monoxide and hydrogen sulphide can be selected to ensure that your exact requirements are met.
All of the Gasurveyor 500 Series are dual mode instruments, making them suitable for both surveying work and confined space.



Additional information

What's included for the price?

– Monitor as specified
– NiCad rechargeable battery
– harness
– Hex driver
– 1.5m tubing and operator handbook
– G500 carrying case
– 20 cotton filters
– 35cm probe solid end , probe handle assembly
– Sample line adapter


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With over 80 years combined experience, Ribble Enviro is at the forefront of the gas detection market.

As the title suggests, we only do gas detection with no gimmicks and no fancy promises. Our open and honest policy enables us to show you our prices on the web with nothing hidden and no surprises. Whether you want to buy, hire or have equipment serviced, the price is there for you to see.


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Unit 4, Gisburn Business Park, Gisburn,Nr Clitheroe, BB7 4JP

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