GMI PS 200

Key Features

  • 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


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.


  • Personal safety in confined space – CH4/O2/CO/H2S hazards
  • General safety in confined space
  • Shipping – general
  • Shipping – fumigant
  • Breweries
  • Plant shutdown
  • Permit to work systems
  • Pressurised tunnelling
  • Fleet auxiliary


Measuring Ranges

LEL  0 – 100%
O2 0 – 25%
CO 0 – 1000ppm
H2S 0 – 100ppm


Ex Certified CSA_US_Logo_50x50MED Certified CE Certified

IEC Ex ia d IIC T4 Gb
ATEX Ex II 2G Ex ia IIC T4 Gb
CSA Class I Div 1 Groups ABCD T4, Class 1 Zone 1 Ex ia d IIC T4
MED (0038/YY) Modules B & E, A.1/3.30


Highly visible flashing LED

Ultra loud audible alarm, 95dBA


Physical Properties

121 (H) x 59 (W) x 32 (D) mm
230g (with pump)
215g (without pump)


0 – 95% RH non-condensing

-20oC to +50oC (4oF to +122oF)


Power Supply

Lithium Ion rechargeable battery

Run Time (diffusion): > 14 hours

Run Time (pumped): > 8 hours

Charging Time: less than 4 hours

IP Rating


Drop Test

3m / 10ft


2 years as standard