Measuring and testing – Instrument proving or calibrating – Volume of flow – speed of flow – volume rate of flow – or mass...
Patent
1977-04-25
1979-05-01
Kaplan, G. L.
Measuring and testing
Instrument proving or calibrating
Volume of flow, speed of flow, volume rate of flow, or mass...
204 1T, 204195R, 204195P, G01N 700, G01N 2746
Patent
active
041517393
ABSTRACT:
A method for checking gas analysis devices in respect of their sensitivity and their response and regeneration behaviour with respect to time, wherein a reproducible quantity of the measurement component is produced at a predetermined production rate, for a period of time which is guided entirely or at a constant proportion as a concentration pulse to the measurement element of the gas analysis device. For the production of the measurement component a chemical or electro-chemical reaction or even a thermal reaction is used. The time interval can then be conveniently controlled. A decisive advantage with toxic measurement components is that the gas production takes place in all cases for only a short time during the test procedure.
REFERENCES:
patent: 3180132 (1965-04-01), Robinson et al.
patent: 3607073 (1971-09-01), Stamm
patent: 3888112 (1975-06-01), Leeuw et al.
patent: 3966411 (1976-06-01), Ross et al.
patent: 3969209 (1976-07-01), Mueller
patent: 3975947 (1976-08-01), Kruishoop
Becker Wolf-Jurgen
Breuer Wolfram
Deprez Jacques
Drope Eckard
Kaufmann Karl-Heinz
Bayer Aktiengesellschaft
Kaplan G. L.
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