JT/T 690-2007
Test method for photonEetrie characteristics of retrordectors (English Version)

Standard No.

JT/T 690-2007

Language

Chinese, Available in English version

Release Date

2007

Published By

Professional Standard - Traffic

Status

Be replaced 2022-12

Replace By

JT/T 690-2022

Latest

JT/T 690-2022

Scope

This standard specifies the instruments, specimens, test methods and calculation methods used for testing the photometric performance of retroreflectors. This standard is suitable for testing the photometric performance of retroreflectors.

JT/T 690-2007 Referenced Document

• JT/T 688 retroreflective terminology*， 2022-09-13 Update

JT/T 690-2007 history

• 2022 JT/T 690-2022 Methods for measuring photometric properties of retroreflectors
• 2007 JT/T 690-2007 Test method for photonEetrie characteristics of retrordectors