3 ½ Digit 2,000 Count True RMS Manual Ranging Digital Multimeter - (MM300)The Triplett Model MM300 is a manual ranging 3 1 2 digit (2000 count) True RMS compact digital multimeter. True RMS provides better accuracy when measuring non sinusoidal or noisy waveforms. Read More > DESCRIPTION The Triplett Model MM300 is a manual ranging 3 1 2 digit (2000 count) True RMS compact digital multimeter. True RMS provides better accuracy when measuring non sinusoidal or noisy waveforms. It measures AC DC Voltage, AC DC Current,