Watt Hour Meter Dealers in Siri Fort, Delhi

• 2 x Voltage between: 2 x 1lOV

1 This standard specifies static watthour meters of accuracy class 1 and 2, for the measurement of alternating-current electrical active energy of frequency in the range 45~Hz to 55 Hz for single-phase and threephase balanced and unbalanced loads. It applies to their type tests, routine tests and acceptance tests. A watthour meter provided with a number of registers, each operative at specified time intervals corresponding to different tariffs.