JJG 688-2017 Replaced National Metrology and Inspection Regulations JJG

JJG 688-2017 Vehicle Exhaust Emissions Measuring Instruments

JJG 688-2017 Vehicle Exhaust Emissions Measuring Instruments

Publish Date: 2017-11-20 Implement Date: 2018-05-20 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: JJG 688-2017
Standard Type: National standards
Standard Status: Replaced
is_force_gb: no
CCS Name: -
ICS Name: -
Publish Date: 2017-11-20
Implement Date: 2018-05-20
Pages: 24 pages

Scope

This procedure applies to the initial verification, subsequent verification, and in-use inspection of automotive emission gas testers (hereinafter referred to as testers). The minimum measurement range of the tester should meet the following requirements: HC: (0~2 000)×10-6; CO: (000~500)×10-2; CO2: (00~160)×10-2; NO: (0~4 000)×10-6; O2: (00~210)×10-2

Development Information

Word Count: 26 Thousand words Pages: 24 pages

Replace the following standards

Superseded by the following standards

Referenced Standards

Related Standards

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