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The Atex-approved GFM416 gas analyser from Gas Data is ideal for anaerobic digester applications requiring on-site measurement of biogas.

It can be equipped to simultaneously monitor ammonia in this application, with no cross-gas effects from other components.

The handheld GFM416 is light yet robust and can be fitted with up to six gas channels, measuring oxygen, carbon dioxide, methane, ammonia and corrosive hydrogen sulphide before they enter a biogas scrubber.

Offering signals at regular intervals, real-time on-line continuous monitoring enables the user to calculate the gas calorific value from the methane content, as well as offering protection from high oxygen levels, which can cause explosions.

This biogas analyser can also help protect CHP (combined heat and power) engines from high hydrogen sulphide levels – and monitors hydrogen-sulphide scrubber performance.

When data has to be gathered continually and utilised to control the site plant by direct connection, Gas Data’s LMSp Fixed Position Analyser offers an enclosed cabinet, remote telemetry option.

The GFM416 is also complemented by Gas Data’s Combimass thermal mass gas flow instrumentation, which determines the standard volumetric or gas mass flow through a gas pipeline.

It is suitable for biogas production optimisation, biogas desulphuristion control and anaerobic digester (AD) control.

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