T/JSGT 003-2020 Active Group standards

T/JSGT 003-2020 Smoke flow velocity and flow monitoring using ultrasonic time-of-flight method

Publish Date: 2020-09-10 Implement Date: 2020-09-11 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/JSGT 003-2020

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Environmental protection

ICS Name: Integrated air quality

Publish Date: 2020-09-10

Implement Date: 2020-09-11

Scope

Main technical specifications: (1) Measuring range: (0–40) m/s; (2) Average gas flow velocity: When >10 m/s, the relative error is ±8%; when ≤10 m/s, the relative error is ±10%; (3) Resolution: 0.001 m/s; (4) Maximum sound velocity difference between channels: 0.5 m/s; (5) 24-hour zero drift ≤ ±1% full scale; weekly zero drift ≤ ±2% full scale; (6) 24-hour range drift ≤ ±1% full scale; weekly range drift ≤ ±2% full scale; (7) Requires a back-blowing function; (8) Requires a system protection function; (9) Requires data acquisition, processing, and output functions.