JIS

Direct acting indicating analogue electrical measuring instruments and their accessories Part 8: Special requirements for accessories
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/1997

Direct acting indicating analogue electrical measuring instruments and their accessories Part 9: Recommended test methods
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/1997

Dimensions of electrical indicating instruments for switchboards
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/1984

General rules for electricity meters
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/1979

Alternating-current watt-hour meters (for direct connection) (FOREIGN STANDARD)
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/1995

Alternating-current watt-hour meters (for direct connection) -- Part 1: General measuring instrument
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/2009

Alternating-current watt-hour meters (for connection through instrument transformer) -- Part 1: General measuring instrument
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/2009

Alternating-current watt-hour meters (for connection through instrument transformer) -- Part 2: Measuring instruments used in transaction or certification
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/2009

Var-hour meters (FOREIGN STANDARD)
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/1995