CJ/T 477-2015 Active Industry standards-Urban construction

CJ/T 477-2015 Ultrasonic gas meter

Publish Date: 2015-03-04 Implement Date: 2015-09-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: CJ/T 477-2015

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Gas supply project

ICS Name: The facilities in the building

Publish Date: 2015-03-04

Implement Date: 2015-09-01

Pages: 40 pages

Scope

This standard specifies the terms and definitions, symbols, operating conditions, metering characteristics, structure and materials, indicating devices, communication, power supply, electromagnetic interference, other functions, test methods, inspection rules, marking, packaging, transportation, and storage of ultrasonic gas meters (hereinafter referred to as gas meters).
This standard applies to the design, production, testing, and acceptance of fully electronic gas meters that use ultrasonic detection technology to measure gas flow, with a maximum working pressure of no more than 50 kPa, a maximum flow rate of no more than 160 m3/h, and an adaptive minimum working environmental temperature range of -10 ℃ to +40 ℃, featuring double-pipe connections.