Gas Measurement Instruments - GMI

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

Applications

• 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% in 1% LEL increments

O₂ 0 - 25% in 0.1% increments

CO 0 - 1000ppm in 1ppm increments

H₂S 0 - 100ppm in 1ppm increments

Certification

IEC Ex ia d IIC T4 Gb

ATEX Ex II 2 G Ex ia d IIC T4

CSA Class 1 Div 1 Groups A,B,C,D, T4 Class 1, Zone 1 EX ia d IIC T4

MED (0038/YY) - Module B & E

CE 0518

Alarms

Highly visible flashing LED

Ultra loud audible alarm, 95dBA

Vibrations

Physical Properties

Dimensions (Height x Width x Depth): 121 x 59 x 32 mm

Weight (with pump): 230g

Weight (without pump): 215g

Environment

Temperature Limits: -20 ^oC to +50 ^oC / -4 ^oF to +122 ^oF

Humidity: 0 - 95% RH non-condensing

Sampling System

Diffusion operation

Optional internal sampling pump

Power Supply

Lithium Ion rechargeable battery

Run Time (diffusion): > 14 hours

Run Time (pumped): > 8 hours

Charging Time: less than 4 hours

Enclosure

High impact rubberized polycarbonate case

IP Rating

IP67 (Dust-tight and waterproof to 1m / 3ft)

Drop Test

3m / 10ft

Warranty

2 years as standard