GB/T 20485.42-2018

Active

Methods for the calibration of vibration and shock transducers—Part 42: Calibration of seismometers with high accuracy using acceleration of gravity

振动与冲击传感器校准方法 第42部分：高精度地震计的重力加速度法校准

Standard Type
GBT
ICS
17.160
CCS
N71
Status
Active
Issue Date
2018-03-15
Implementation
2018-10-01
Centralized Committee
国家标准委
Issuing Authority
中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

Application Summary AI generated

This standard specifies a calibration method for seismometers using gravitational acceleration to achieve high accuracy. It is applied in metrology laboratories and geophysical monitoring facilities to calibrate seismometers used for earthquake detection, structural health monitoring, and ground motion measurement. The method ensures traceability to the acceleration of gravity, providing a reference for low-frequency vibration measurements in scientific and engineering contexts.

Related Standards

GB/T 20485.12-2008 Method for the calibration of vibration and shock transducers - Part 12: Primary vibration calibration by the reciprocity method GB/T 14412-2005 Mechanical vibration and shock-Mechanical mounting of accelerometers GB/T 13823.1-2005 Methods for the calibration of vibration and shock transducers part 1:Basic concepts GB/T 6075.6-2002 Mechanical vibration--Evaluation of machine vibration by measurements on non-rotating parts--Part 6:Reciprocating machines with power ratings above 100kW GB/T 6075.5-2002 Mechanical vibration--Evaluation of machine vibration by measurements on non-rotating parts--Part 5:Machine sets in hydraulic power generating and pumping plants GB/T 6075.2-2002 Mechanical vibration--Evaluation of machine vibration by measurements on non-rotating parts--Part 2:Large land-based steam turbine generator setsin excess of 50MW GB/T 6075.4-2001 Mechanical vibration--Evaluation of machine vibration by measurementson non-rotating parts--Part 4:Gas turbine driven sets excluding aircraft derivatives GB/T 6075.3-2001 Mechanical vibration--Evaluation of machine vibration by measurements on non-rotating parts--Part 3:Industrial machines with nominal power above 15kW and nominal speeds between 120r/min and 15000r/min when measured in situ
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.