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• Biogas monitoring
• Wastewater and Sewage treatment
• Odour monitoring

The GM25-2 is an ATEX certified gas analyser, designed for a variety of applications. It is fully configurable to each client’s requirements, making it a uniquely versatile instrument.

It can be configured with infra-red channels for CH₄ and CO₂ analysis, with an optional LEL expansion and up to four electrochemical cells to measure any combination of O₂, CO, H₂S or H₂. With the option of N₂ balance calculation, customers can choose up to 7 gas channels.

This instrument is capable of providing three different optional pressure measurements: Atmospheric; Static (Gauge); Differential.

Optional extras to measure velocity and temperature are available.

DataField GM25 Connect

The GM25 series can be used by itself or in combination with the DataField GM25 Connect app which allows the GM25 analyser to be controlled via a mobile device or tablet. This results in faster operations whilst being able to configure how readings are taken suiting the individual users needs.

Find out more about DataField GM25 Connect in the software tab!

• Ex. Rating: EEx ib IIB T1
• Custom selection gas analyser
• Provides measurements of up to 6 gases (CH4, CO2, O2, H2S, H2, CO)
• Optional expansions to measure atmospheric, static, and differential pressures.
• Simple reporting – via Instrument Connect Software or DataField GM25 Connect app
• Small portable design – easily fits in one hand
• 12-month service interval
• High-contrast LCD display
• User-swappable battery pack
• Battery life ranging from 8 to 12 hours and 4 hours charging time
• Charger suited to client’s country
• Protective, weather-proof neoprene case
• Optional extra of vane anemometer to measure gas velocity of 0.5 – 40m/s
• Optional extra brass probe to measure gas temperature

All GM25 instruments require annual service and recalibration.

Accessories

• USB download with SiteMan Pc Software
• USB data cable
• Protective, weather-proof leather case
• Charger suited to client’s country
• Sample pipe
• Small spares pot
• Allen Key

Optional Accessories

• An additional vane anemometer to measure gas velocity (0.5-40m/s)
• An additional brass probe to measure gas temperature (-10 to 100° C)

Additional Measurements

• N2 Balance
• LEL Percentage Calculation

Instrument Specifications

• Operating Temperature-10°C<0<40°C
• Ingress Protection IP65
• Max Input Pressure 30mB
• Pump Flow 500ml/min
• Dimension 230mmx100mmx65mm
• Material Black ABS
• Weight 1kg

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