DL/T 845.1-2004 General specification for measuring resistance equipments Part 1:electronic insulation resistance meters

DL/T 845.2-2004 General specifications for measuring resistance equipments Part 2:power frequency earth resistance testers DL/T 845.3-2004 General specification for measuring resistance equipments Part 3:DC resistance meters DL/T 845.4-2004 General specifications for measuring resistance equipments Part 4:loop resistance measurement testor

DL/T 845.1-2019

GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB 4793.1-1995 Safety requirements for electrical equipment for measurement, control, and laboratory use Part 1:General requirements GB/T 11463 GB/T 6587.1-1986 Environmental tests program for electronic measuring instruments GB/T 6587.2-1986 Temperature tests for electronic measuring instruments GB/T 6587.3-1986 Humidity tests for electronic measuring instruments GB/T 6587.4-1986 Vibration tests for electronic measuring instruments GB/T 6587.5-1986 Shock tests for electronic measuring instruments GB/T 6587.6-1986 Transportation tests for electronic measuring instruments GB/T 6587.8-1986 Line frequency and voltage tests for electronic measuring instruments GB/T 6593-1996 Quality inspection provisions for electronic measuring instruments GB/T 7676.1-1998 Direct acting indicating analogue electrical measuring instruments and their accessories Part 1:Definitions and general requirements common to all parts GB/T 7676.9-1998 Direct acting indicating analogue electrical measuring instruments and their accessories Part 9:Recommended test methods JB/T 9290-1999 Insulation resistance meters JJF 622-1997 GB/T 191-2025 Graphical symbols marking for handling and storage of packages