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Database: 189759 (26 Oct 2025)
JT/T 690-2022 English PDF
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JT/T 690-2022
: (Method for measuring photometric properties of retroreflectors)
Status: Valid
JT/T 690: Evolution and historical versions
Standard ID
Contents [version]
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Standard Title (Description)
Status
PDF
JT/T 690-2022
English
459
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4 days [Need to translate]
(Method for measuring photometric properties of retroreflectors)
Valid
JT/T 690-2022
JT/T 690-2007
English
399
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3 days [Need to translate]
Test method for photometric characteristics of retroreflectors
Obsolete
JT/T 690-2007
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Basic data
Standard ID
JT/T 690-2022 (JT/T690-2022)
Description (Translated English)
(Method for measuring photometric properties of retroreflectors)
Sector / Industry
Highway & Transportation Industry Standard (Recommended)
Classification of Chinese Standard
P66
Word Count Estimation
20,249
Date of Issue
2022-09-13
Date of Implementation
2022-12-13
Older Standard (superseded by this standard)
JT/T 689-2007; JT/T 690-2007; JT/T 691-2007
Issuing agency(ies)
Ministry of Transport
Summary
This standard specifies the classification of photometric performance measurement of retroreflectors, as well as absolute and relative measurement methods. This standard applies to the measurement of photometric properties of retroreflectors. ?
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