发明名称 |
Gas analyser. |
摘要 |
<p>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. <IMAGE></p> |
申请公布号 |
EP0647845(A1) |
申请公布日期 |
1995.04.12 |
申请号 |
EP19940307319 |
申请日期 |
1994.10.05 |
申请人 |
GEOTECHNICAL INSTRUMENTS (UK) LIMITED |
发明人 |
SWEET, CHRISTOPHER RICHARD |
分类号 |
G01N21/03;G01N21/61;(IPC1-7):G01N21/05 |
主分类号 |
G01N21/03 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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