Analytical Industries GPR-1100 portable oxygen analyser

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When a tanker ship is having maintenance, the leak check of the tanks is an important part of the final safety procedure. The tanks are purged with an inert gas, such as nitrogen, and an oxygen analyser is used to check for trace oxygen levels in the purged tank. Depending on the type of vessel, the maintenance crews will need to be able to detect oxygen levels from 1000 down to 50 ppm.

Portable oxygen analysers, such as the GPR-1100 from Analytical Industries, and so are easily carried to the point of use. They also need little power to operate — the GPR-1100 operates continuously for 30 days, over 8 h with the pump running, on a single battery charge — and will measure down to less than 10 ppm O₂. Simple and intuitive operation is paired with a robust casing that prevents accidental damage in a heavy industrial environment.

To maximise the lifetime of the sensor, the analyser is available with quick-connect fittings to protect the sensor from ambient air when not in use. Users can expect sensors to last up to 24 months, with replacement sensors readily available and simple to fit.

A range of sample conditioning options are available for filtration, pressure reduction and flow control. As not all tanks have pressures positive enough to generate a flow to the analyser, the analyser can be supplied with an internal pump.

The instrument is available with full ATEX certification for use in hazardous areas.