This standard specifies the definition, classification, technical requirements, test conditions and methods of signals and interfaces between sensors and display, recording or data transmission equipment in hydrological instruments, and between hydrological instruments and other automation system equipment. This standard applies to various types of sensors, display and recording instruments, digital transmission equipment and automation system equipment in hydrological instruments.
GB/T 19705-2005 history
2017GB/T 19705-2017 Signals and interfaces for hydrometry instruments
2005GB/T 19705-2005 General specification of signals and interfaces for hydrologic instruments