Photometer for measuring hot gases

US4671664A · kind A · utility

Assignee

• Hartmann & Braun Aktiengesellschaft · DE

Inventors

• Walter Fabinski · Kriftel, DE
• Willi Apel · Frankfurt, DE
• Guenter Bernhardt · Frankfurt, DE
• Rudolf Jezdinsky · Frankfurt, DE
• Heinz Wolf · Kronberg, DE

Key dates

• Filing date: Sep 5, 1985
• Grant date: Jun 9, 1987
• Expiry date: Sep 5, 2005

Classification

• Technology area (CPC G): Physics
• CPC primary: G01N21/3504
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

A photometer includes a radiation source, a measuring chamber and a receiver, all arranged in a casing and through coupling-decoupling members definite temperature gradients are produced between the measuring chamber and the receiver-transmitter and other gradients through appropriate coupling members are established towards the cooled housing.