New ATEX certification for AII’s portable oxygen analyzers

The popular range of portable galvanic electro-chemical oxygen analyzers from Advanced Instruments Inc (AII) now has ATEX approved for use in atmospheres containing acetylene and/or hydrogen.

The instruments with the new certification are the GPR-1000, GPR-1100 and GPR-2000 portable range and the GPR-1200 premium portable analyzer which are used to measure oxygen to ensure product quality or avoid potentially explosive atmospheres by detecting leaks.

Using AII’s galvanic oxygen sensors, the portable analyzers are simple to use with low maintenance. The sensors have a life between 24 and 32 months, and replacing them is quick and easy to do.

The portables have an innovative design which eliminates the waiting time between measurements, provides an instant purge and a fast response to changes in oxygen levels. The instruments also feature a state of the art sample bypass system that isolates the sensors from high concentrations of air and allows a quick recovery from an upset. They are convenient to use in the field with a long battery life of up to 30 days on a single charge.

Visit for more information about the AII portables, and the full AII range of galvanic electrochemical oxygen analyzers.

Date: 21 March, 2018
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Written & issued by Michell Instruments Ltd.