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ASTM C 1426 : 2014 : REDLINE

Current
Current

The latest, up-to-date edition.

Standard Practices for Verification and Calibration of Polarimeters
Available format(s)

PDF

Language(s)

English

Published date

05-01-2014

Publisher

American Society for Testing and Materials

CONTAINED IN VOL. 15.02, 2017 Specifies the calibration and verification procedures required to maintain these instruments in calibration and ensure that the optical setup is within specification for satisfactory measurements.

1.1Polarimeters and polariscopes used for measuring stress in glass are described in Test Methods F218, C148, and C978. These instruments include a light source and several optical elements (polarizers, optical retarders, filters, and so forth) that require occasional cleaning, realigning, and calibration. The objective of these practices is to describe the calibration and verification procedures required to maintain these instruments in calibration and ensure that the optical setup is within specification for satisfactory measurements.

1.2It is mandatory throughout these practices that both verification and calibration are carried out by qualified personnel who fully understand the concepts used in measurements of stress retardation and are experienced in the practices of measuring procedures described in Test Methods F218, C148, and C978.

1.3The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

Committee
C 14
DocumentType
Redline
Pages
3
PublisherName
American Society for Testing and Materials
Status
Current

ASTM F 218 : 2013 : REDLINE Standard Test Method for Measuring Optical Retardation and Analyzing Stress in Glass
ASTM C 770 : 2016 : REDLINE Standard Test Method for Measurement of Glass Stress—Optical Coefficient
ASTM C 148 : 2017 : REDLINE Standard Test Methods for Polariscopic Examination of Glass Containers

ASTM C 148 : 2017 : REDLINE Standard Test Methods for Polariscopic Examination of Glass Containers
ASTM F 218 : 2013 : REDLINE Standard Test Method for Measuring Optical Retardation and Analyzing Stress in Glass
ASTM C 770 : 2016 : REDLINE Standard Test Method for Measurement of Glass Stress—Optical Coefficient

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