Test vessel device for testing an apparatus for measuring or det

Details Test vessel device for testing an apparatus for measuring or det Test vessel device for testing an apparatus for measuring or det

1989-12-19

1992-02-11

Myracle, Jerry W.

Measuring and testing

Instrument proving or calibrating

Volume of flow, speed of flow, volume rate of flow, or mass...

G01D 1800

Patent

active

050866427

ABSTRACT:
The invention is directed to a test vessel device for testing gas measuring and gas detection apparatus wherein a test substance atmosphere of a specific concentration of the test substance is present. The sensor head of a gas measuring apparatus can be introduced into the test vessel device. The test vessel device is improved in that a test substance atmosphere can be provided therein in a state of readiness over a longer time duration and the test substance atmosphere changes only insignificantly with respect to its composition and must not be first produced before carrying out the test. It is intended that the test vessel device be easily producible, have a low weight, be easily manipulable and be convenient to transport as well as be capable of storage. For this purpose, a liquid is introduced into the test vessel device which is closed in a gastight manner with a seal which can be penetrated. The liquid is composed of a solution of the test substance in a solvent inert for the sensor head and in such a quantity and concentration that a vapor is present which is saturated with the test substance.

REFERENCES:
patent: 3533272 (1970-10-01), Dahms
patent: 4998431 (1991-03-01), Jappinen et al.
Dragerheft 303 (1976) "Neues Messverfahren zur Bestimmung von Schwefelwasserstoffen", G. Wolff, p. 15.

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