... single phase mechanical kilo watt-hour meter is applicable to measure 50 Hz or 60 Hz active energy consumption from single phase ... -11.FUNCTIONS AND FEATURES:1. The meter has separable iron core structure;2. Meter cover glass, plastic, transparent PC which ... or bakelite with glass window (optional); Meter base Aluminium, steel, bakelite etc; Meter terminal block is made of quality bakelite material ...