... measuring current and voltage, including ammeter, voltmeter and frequency meter DY8 Series Panel Meter (ammeter, voltmeter) MOVING IRON & MOVING ... COIL INSTRUMENTS AC AMMETER:Model: DY8-T96, DY8-T72 ... potential transformer whose secondary voltage 100V.)MOVING COIL INSTRUMENTS DC AMMETER:1) Model: DY8-C96, DY8-C72, DY8-C482 ...