optical pyrometer

noun

1. See pyrometer

Example Sentences

The best precision is obtained when an optical pyrometer is used each time under similar conditions of light and the same observer.

From Project Gutenberg

The pyrometers used at present are the Wanner optical pyrometer and the Fery radiation pyrometer.

From Project Gutenberg

Optical System and Electrical Circuit of the Leeds & Northrup Optical Pyrometer.—For extremely high temperature, the optical pyrometer is largely used.

From Project Gutenberg

The temperatures of slag or metal in furnaces or running through tap-holes or troughs are often measured with optical pyrometers.

From Project Gutenberg

Another type of optical pyrometer is focused on the body, the temperature of which is to be measured.

From Project Gutenberg