T/ZZB 0348-2018 Active Group standards

T/ZZB 0348-2018 Ultrasonic gas meter

Publish Date: 2018-04-28 Implement Date: 2018-05-31 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/ZZB 0348-2018

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Flow and level measurement instruments

ICS Name: \nGas supply system

Publish Date: 2018-04-28

Implement Date: 2018-05-31

Scope

Main technical content: This standard specifies the terms, definitions, and symbols of ultrasonic gas meters, basic requirements, specification parameters, technical requirements, test methods, inspection rules, packaging, transportation and storage, and quality commitments. This standard applies to the design, manufacture, and testing of ultrasonic gas meters (hereinafter referred to as gas meters) with a maximum working pressure not exceeding 50kPa, a maximum flow rate not exceeding 160m3/h, a minimum working temperature range of -25℃ to +55℃, and a grade of 1.0 and 1.5. These meters are battery-powered and installed in enclosed areas (indoors or outdoors with protective measures) with minimal or no vibration, impact, condensed water, or electromagnetic interference. Unless otherwise specified, the pressure mentioned in this standard refers to the pressure relative to atmospheric pressure (gauge pressure).