T/LZZLXH 063-2021 Active Group standards

T/LZZLXH 063-2021 Internal calibration specifications for inspection and testing laboratories

Publish Date: 2021-03-25 Implement Date: 2021-04-01 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/LZZLXH 063-2021

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Acoustic metrology

ICS Name: Integrated Metrology and Measurement

Publish Date: 2021-03-25

Implement Date: 2021-04-01

Scope

Main technical content: 6. Calibration facilities, environment, and equipment 6.1 Calibration facilities and equipment shall meet the requirements of the calibration project and relevant calibration standards. 6.2 Environmental conditions such as biological disinfection, dust, electromagnetic interference, radiation, humidity, power supply, temperature, sound level, and vibration should be paid attention to, so as to adapt to the relevant technical activities. When environmental conditions endanger the results of calibration, calibration should be stopped. 6.3 Environmental monitoring and control equipment shall be provided to meet the corresponding environmental conditions requirements, in order to ensure that the calibration and testing projects meet the requirements of the environment and facilities. Monitoring equipment such as thermometers, hygrometers, barometers, lux meters, sound level meters, field strength meters, and voltmeters shall be verified and calibrated, and used within the validity period. 6.4 According to the requirements of the calibration standards, corresponding measurement standards and auxiliary equipment shall be provided. The traceability of the measurement standard values shall meet the relevant requirements of RB/T 214 and the following requirements: a) Meet the accuracy requirements and other functional requirements of procedures, standards, outlines, and inspection rules; b) The accuracy grade (or maximum allowable error) of the measurement standard shall generally be 3 to 5 times better than that of the calibrated equipment; for some special fields, it shall reach 10 times. Alternatively, the measurement uncertainty (or accuracy grade, maximum allowable error) of the measurement standard shall meet the requirements of the calibration method or standards, the national traceability hierarchy chart (National Verification System Table), etc. When there are no relevant regulations, the ratio of its measurement uncertainty (or