G - Physics
01
N
G01N 21/31 (2006.01) G01N 21/03 (2006.01) G01N 21/35 (2006.01)
Patent
CA 2133886
ABSTRACT A gas analyser and detector has an infra red source, a gas chamber and a detector cell; the detector cell has a gas sample inlet, inlet and exit paths for an infra red beam and reflector means in the chamber comprising a convex surface and a concave surface. The reflector means ensures a long path length for the beam whilst reducing beam divergence and signal loss.
Sweet Christopher Richard
Bereskin & Parr
Geotechnical Instruments (uk) Limited
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