This standard specifies the daily, monthly, and annual inspection items and technical indicators of the SYSTEM IV-VC and 408UL-DSU seismic data acquisition systems. This standard applies to daily, monthly and annual inspection and testing of SYSTEM IV-VC and 408UL-DSU seismic data acquisition systems.
SY/T 6685-2007 history
2013SY/T 6685-2013 The checking item and technical specification for SCORPION seismic data acquisition system
2007SY/T 6685-2007 The checking items and technical specification for SYSTEM Ⅳ/408UL seismic data acquisition system