This standard specifies the product specifications, technical requirements, test methods, inspection rules and markings, packaging, transportation and storage of photoelectric (CCD) static levels (hereinafter referred to as DDC static levels). This standard applies to the design, production, testing, use, maintenance and arbitration inspection of CCD static levels that use the connecting pipe method (i.e. hydrostatic leveling method) to measure vertical displacement in safety monitoring of dams and other geotechnical projects.
DL/T 1086-2008 Referenced Document
DL/T 478 General technical conditions for relay protection and safety automatic devices
DL/T 5211 Dam safety monitoring automation technical specification
GB/T 191 Packaging.Pictorial marking for handling of goods
GB/T 7261 Basic test methods for relay protection and safety automatic devices*, 2016-05-02 Update