ولت متر پنلی قرمز AC سایز 0.56 (70 تا 500 ولت)

AC 30-500V 0.56″ Inch LED Digital Voltmeter Voltage Meter Volt Tester 2 Wires Red Display 110V 220V 380V

Description:
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: AC30V-500V
3. Maximum input
AC500V. Note: Input voltage higher than 500V may be permanently damaged!
4. Allowable error: 1%(+/-digit);
5. Input impedance> 1M ohms
6. Refresh speed: About 200mS / time
7. Display mode: 3 digits ” 0.56 ” LED digital tube
8. Display color: Red
Option color: if you need blue or green color, please contact our sales manager
9. Lead length: about: 20cm
10. Outside dimensions: about: 48 x 29 x 22 mm / 1.89 x 1.17 x 0.87 in
Hole Size: about 46 x 27 mm / 1.81 x 1.06 in
11. Net weight: about 28g
12. Operating temperature: -10℃~65℃ (14°F-140°F)