T/SJZSYYQXH JZ007-2023 Active Group standards

T/SJZSYYQXH JZ007-2023 Calibration Method for the Initial Drying and Crack Resistance Testing Machine

T/SJZSYYQXH JZ007-2023

Publish Date: 2023-08-14 Implement Date: 2023-09-15 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/SJZSYYQXH JZ007-2023

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: The measurement of time, speed, acceleration, and angular velocity

Publish Date: 2023-08-14

Implement Date: 2023-09-15

Scope

Main technical content: 4 Measurement characteristics 4.1 The external structure of the testing machine should be intact, and the testing machine should have a nameplate, manufacturer's name, model, factory serial number and date, certificate of conformity, etc. 4.2 The wind speed range in the wind tunnel is (3±0.3)m/s. 5 Calibration conditions 5.1 Environmental requirements 5.1.1 Environmental temperature: (23±5)℃; relative humidity: (40～70)%. 5.1.2 The surrounding environment should be free from heat or cold sources, vibration, electromagnetic interference, pollution, and corrosive gases that may affect the calibration. 5.2 Calibration equipment: 5.2.1 Wind speed meter: Measurement range (0.5～4)m/s; MPE: ±0.2m/s