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GMI Instruments

PS200 Gas Detectors

A robust and accurate portable gas detector, the Personal Surveyor (PS200 Series) provides unrivalled protection in confined space applications with audible and visual alarms in the event of exposure to flammable or toxic gases.

Detecting and displaying up to 4 gases simultaneously, PS200 is suitable for a host of applications in a variety of industries. The PS200 can be configured to detect a combination of Methane, Oxygen, Carbon Monoxide, Hydrogen Sulphide, as well as other flammable gases.

Pre-entry checking can be carried out with the optional internal sampling pump, and diffusion operation ensuring maximum battery life in confined spaces.

  • Simple 1-button operation
  • Measures up to 4 gases:
           CH4 – Methane (LEL)
           O2 – Oxygen
           CO – Carbon Monoxide
           H2S – Hydrogen Sulphide
           Other flammable gases, available on request
  • Audible, visual and vibrating alarms
  • Internal pump (optional)
  • Lightweight yet robust construction
  • Sensor integrity checking
  • Ease of maintenance

Leak Surveyor GMI Gas Detectors

Leaksurveyor uses a fast response semiconductor sensor reducing the time taken for gas leak surveys on gas distribution networks. The Leaksurveyor detects flammable gas from PPM through LEL to 100 % Vol.

Download Specification

  • Integral Semiconductor Sensor (Range 0 – 10,000 ppm), providing fast response leak detection.
  • PPM, LEL and volume flammable gas ranges for leak detection, general safety monitoring and barholing. Audible and visual ‘Geiger’ alarm indication on ppm range.
  • Integral pump with pressure sensor for flow fail detection with sample path protected by hydrophobic filter.
  • Rugged polypropylene case, sealed to IP54 rating, suitable for outdoor use.

GT Gas Detectors

Designed for the gas industry, the GT Series are multi-application instruments, satisfying all the needs of service technicians within a single unit. With 7 modes of operation, the GT Series is the most versatile instrument available for working with gas.

The GT Series is suitable for the following operations:
Leak test
Confined space entry
Barhole testing
Carbon monoxide
Pressure leak tightness

Download Specification

  • Multi-functional gas detector
  • Diversity to suit various applications
  • Leak detection from PPM to Vol. gas
  • Includes pressure range
  • Integral flash-light

PS500 Gas Detectors

The PS500 can be tailored to detect up to five gases with its toxic and catalytic sensors, photo ionisation detectors and infrared capabilities. ‘Plug and Play’ option allows the customer to ‘plug in’ a new board with a different gas range. The PS500 is particularly useful in noisy environments, featuring a very loud (95dBA) penetrating and distinctive audible alarm together with high visibility large area visual alarm. Pump, diffusion or both together, allowing pumped sample for pre-entry checking and diffusion in confined space working, thus maximising battery life. A robust, moulded, rubberised casing guaranteeing Hi-Impact resistance, the PS500 can be used in the most demanding environments.

Download Specification

  • Over 15 plug-and-play smart sensors to choose from
  • Wide range of VOC’s with 2 different PID sensors
  • Flexible configuration to suit your specification
  • Piercing 95 dB audible plus 360-degree high visibility light bar
  • On-board datalogging for calibration certificates, data management and event logging
  • High impact rubberised case
  • IP65
  • Low cost of ownership