This standard specifies the calibration method of digital seismometers. This standard applies to the calibration of digital seismographs newly manufactured, in use and after repair.
SY/T 6627-2012 history
2012SY/T 6627-2012 Calibration method of the seismic data recording system
2005SY/T 6627-2005 The calibration method of the seismic data recording system