Gas detection device and method

Details Gas detection device and method Gas detection device and method

G - Physics

01

N

G01N 27/66 (2006.01) G01N 33/00 (2006.01)

Patent

CA 2113463

An improved ionisable gas or vapour detector device and method are provided which are capable in preferred forms of sampling 4 x 10 -3 cubic metres or more of air sec- and are responsive to ionisable gas fluctuations at a rate of up to 100 Hz. Use of the device of the present invention has proved to provide sensitivity to t1V ionisable gas or vapour of over 500 times that of prior devices, giving detection of propylene tracer gas at concentrations of 2 parts per 1,000,000,000 and thus increa- sing the range from the gas source at which the device may be reliably used. Use for detection of leaks of volatile UV ionis- able compounds and for monitoring processes where vapours are emitted is also provided.

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