H How to calculate the slowness and fastness of energy meter if we have different kw load for example (0.746 kw and meter rev constant 400 and we calculate the 2 rev in 30 sec) and explain the formula ? August 5, 2021 1 Min Read 0 426 August 5, 2021 1 Min Read 0 426 Answer : Meter rev constant means… Electrical Engineering Editor Continue Reading