Method for checking gas analysis devices

US4151739A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Wolfram Breuer · Leverkusen, DE
• Wolf-Jurgen Becker
• Jacques Deprez
• Eckard Drope · Cologne, DE
• Karl-Heinz Kaufmann · Langenfeld, DE
• Kurt Schreckling · Leverkusen, DE

Key dates

• Filing date: Apr 25, 1977
• Grant date: May 1, 1979
• Expiry date: Apr 25, 1997

Classification

• Technology area (CPC G): Physics
• CPC primary: G01N33/0006
• WIPO field: Measurement
• WIPO sector: Instruments

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.