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The Environment Agency is leading a coordinated monitoring and modelling response to the Buncefield accident with the setting up of air-quality-incident response teams.

Each team will receive a Jerome 631-XE hydrogen-sulphide analyser, supplied by Able Instruments and Controls, as part of their portable monitoring equipment.

With the push of a button, the portable Jerome 631-XE Hydrogen Sulphide analyser displays low-level concentrations in seconds.

It offers an analysis range of 0.003-50ppm for odour and corrosion control, and safety and leak detection in such industries as wastewater treatment, oil and gas, pulp and paper, and farming.

The instrument weighs 3kg, utilises an internal rechargeable battery pack or AC power and is easily carried to suspected sources of hydrogen sulphide for detection and measurement.

Locked in survey mode, the 631-XE automatically displays hydrogen-sulphide concentrations as quickly as every 3sec.

The Jerome 631-XE utilises a gold-film sensor, whose selectivity to hydrogen sulphide eliminates interferences from sulphur dioxide, carbon dioxide, carbon monoxide and water vapours.

When the sample button is pressed, an internal pump draws air into the instrument.

Any hydrogen sulphide in the sample is adsorbed by the sensor, which registers a proportional change in electrical resistance.

The hydrogen-sulphide concentration is displayed on the LCD, where it remains until the next sample is taken.

Able Instruments and Controls

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