G - Physics – 01 – N
Patent
G - Physics
01
N
150/21
G01N 31/22 (2006.01)
Patent
CA 1321946
26541-60 ABSTRACT The invention is directed to a colorimetric gas measuring device with an indicator path which is accessible for the gas to be detected via at least one inlet opening and which, however, is otherwise closed off with respect to the ambient. The colorimetric gas measuring device is improved so that the measuring time is extended and the sensitivity increased while at the same time providing a space-saving configuration. The gas measuring device is small and convenient to handle and can be carried on the person. For this purpose, the indicator paths are configured so as to extend in circuitous manner.
561832
Dragerwerk Ag
Fetherstonhaugh & Co.
Heckmann Johannes
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