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ASTM International, 11/01/2012
Publisher: ASTM
File Format: PDF
$32.00$65.00
Published:01/11/2012
Pages:14
File Size:1 file , 200 KB
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1.1 This guide describes the techniques and apparatus required for the accuracy verification of industrial platinum resistance thermometers constructed in accordance with Specification E1137/E1137M and the evaluation of calibration uncertainties. The procedures described apply over the range of -200°C to 650°C.
1.2 This guide does not intend to describe procedures necessary for the calibration of platinum resistance thermometers used as calibration standards or Standard Platinum Resistance Thermometers. Consequently, calibration of these types of instruments is outside the scope of this guide.
1.3 Industrial platinum resistance thermometers are available in many styles and configurations. This guide does not purport to determine the suitability of any particular design, style, or configuration for calibration over a desired temperature range.
1.4 The evaluation of uncertainties is based upon current international practices as described in ISO/TAG 4/WG 3 Guide to the Evaluation of Uncertainty in Measurement and ANSI/NCSL Z540-2-1997 U.S. Guide to the Expression of Uncertainty in Measurement.
1.5 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 limitations prior to use.
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