This International Standard applies to newly manufactured static var-hour meters of accuracy classes 2 and 3 for the measurement of alternating current electrical reactive energy of a frequency in the range 45 Hz to 65 Hz and, like IEC 687 and IEC 1036, it includes type tests only. The accuracy requirements for the meters of class 2 are based on IEC 1036. The values for the meters of class 3 are based on IEC 145.