ASTM F23-90(1995)E01

    Withdrawn Standard: ASTM F23-90(1995)E01 Guide for Selecting Methods of Temperature Measurement of Thermionic Emitters (Withdrawn 2001)

    Developed by Subcommittee: F01.03


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    1. Scope

    1.1 This guide describes methods for temperature measurement of thermionic emitters.

    Note 1-There are several comprehensive works (1, 2, 3) on general temperature measurements.

    1.2 The methods of temperature measurement appear in the following order:

    Method Sections Optical and Infrared Techniques Optical Pyrometry 2 Spectral Emittance 3 Infrared Photography 4 Thermocouple Techniques 5 to 8 Direct Current Methods 9 to 12

    1.3 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.

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