DC4.5V-30.0V Digital Voltmeter 0.56inch LED Display Voltage Meter

1. Operating voltage: no need to connect to any power supply, two-wire system

2. The two-wire voltage meter design, the wiring is simple, easy to install

3. When there is a slight error, you can calibrate it through the circuit board, “fine-tuning” potentiometer for calibration

Specifications:

1. Measuring range: AC70V-500V

2. Power supply range

No additional power supply needed, direct use of the measured voltage as a power supply, range: AC70V-500V

3. Maximum input

AC500V. Note: Input voltage higher than 500V may be permanently damaged!

4. Allowable error: ± 1%;

5. Input impedance> 1M ohms

Refresh speed: About 300mS / time

7. Display mode

Three-digit ” 0.56 ” LED digital tube

8. Display the color: Green/Blue/Red

9. Lead length: about: 20 cm / 7.87 in

10. Outside dimensions: about: 4.8 x 2.9 x 2.2 cm / 1.89 x 1.17 x 0.87 in

Hole Size: about 4.6 x 2.7 cm / 1.81 x 1.06 in

11. Net weight: about 18g

12. Operating temperature: -20 ° C to 65 ° C

1 x 0.56″ LED Digital Voltmeter