ASTM-E220 › Historical Revision Information
Standard Test Method for Calibration of Thermocouples By Comparison Techniques
The following bibliographic material is provided to assist you with your purchasing decision:
Scope
1.1 This test method describes the principles, apparatus, and procedure for calibrating thermocouples by comparison with a reference thermometer. Calibrations are covered over temperature ranges appropriate to the individual types of thermocouples within an overall range from approximately 195 to 1700 °C (320 to 3100 F).
1.2 In general, this test method is applicable to unused thermocouples. This test method does not apply to used thermocouples due to their potential material inhomogeneity-the effects of which cannot be identified or quantified by standard calibration techniques. Thermocouples with large-diameter thermoelements and sheathed thermocouples may require special care to control thermal conduction losses.
1.3 In this test method, all values of temperature are based on the International Temperature Scale of 1990. See Guide E 1594.
This standard may involve hazardous materials, operations and equipment. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory requirements prior to use.
Keywords
calibration; comparison techniques; thermocouple; thermoelement; ICS Number Code 17.200.20 (Temperature-measuring instruments)
To find similar documents by ASTM Volume:
14.03 (Temperature Measurement)
To find similar documents by classification:
This document comes with our free Notification Service, good for the life of the document.
This document is available in either Paper or PDF format.
Document Number
ASTM-E220-07
Revision Level
2007 EDITION
Status
Superseded
Modification Type
Revision
Publication Date
May 1, 2007
Document Type
Test Method
Page Count
15 pages
Committee Number
E20.04