metering of electricity consumption(Metering of electricity consumption was necessary on a per-user basis in order to allow appropriate billing according to the (highly variable) level of consumption ... – WAD Alexander Demidov)
time measurement(порядок исчисления сроков при доставке: Some 80,000 letters are sent annually for the delivery time measurement of domestic letters. Delivery time measurement enables you to view a supplier's delivery performance on a summarized or detailed level. Alexander Demidov)
reckoning(The reckoning by Olympiads was not yet in use. (Newton) – Система исчисления по Олимпиадам (четырёхлетиями) тогда ещё не использовалась. 2) george serebryakov)