The MT320 is a high-precision portable reference meter designed for testing and calibrating electrical energy meters in the field. It delivers exceptional 0.05% accuracy class for power and energy measurements, supports comprehensive 2-wire, 3-wire, and 4-wire measurement modes, and features wide measurement ranges from 100mV to 300V for voltage and 1mA to 12A for current (expandable to 120A with optional current clamps). The MT320 is ideal for utility companies, meter manufacturers, and calibration laboratories requiring traceable accuracy for revenue-grade meter verification and commissioning work.
