JT/T 690-2022 PDF English
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JT/T 690: Historical versions
| Std ID | Version | USD | Buy | Deliver [PDF] in | Title (Description) |
| JT/T 690-2022 | English | 459 | Add to Cart | 4 days [Need to translate] | (Method for measuring photometric properties of retroreflectors) |
| JT/T 690-2007 | English | 399 | Add to Cart | 3 days [Need to translate] | Test method for photometric characteristics of retroreflectors |
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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 | 20,280 |
| 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| Older Standard (superseded by this standard) | JT/T 689-2007; JT/T 690-2007; JT/T 691-2007 |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. ? |