Three 3 digits voltmeter has 3 wire connections. Its operating power
is separated from the mearsurement input wires so it has a wide measuring
range from 0 to 100 volt.
Supply voltage: DC 4.5V ~ 30V
Measuring range: DC 0V ~ 100V
Working current: <30mA
Input impedance: 100K up
Display: 0.36 inch LED, Red color
Dimensions: 23 × 15 × 10mm
Mounting hole: 23 × 10 mm
Measurement rate: ≥200mS / times
Accuracy: 1% (+/- 1 digit)
Wiring : Red : Power supply +, Black : Power supply -, Input-yellow +