توضیحات
ولت متر قابدار آبیAC 70-500V:
AC 30-500V 0.56″ LED Digital Voltmeter Voltage Meter Volt Instrument Tool 2 Wires Red Green Blue Display 110V 220V DIY 0.56 Inch
Description:
1. Operating voltage: no need to connect to any power supply, two-wire system
The two-wire voltage meter design, the wiring is simple, easy to install
3. When there is a slight error, you can calibrate it by the circuit board, fine-tuning potentiometer for calibration
Specifications:
1. Measuring range: AC70V-500V
2. power supply range
No need for additional power supply, directly use the measured voltage as power supply, range: AC70V-500V
3. Max input
AC500V. Note: Input voltage higher than 500V can be permanently damaged!
4. allowable error: ±1%;
5. Input impedance > 1M ohm
Refresh speed: About 300mS/time
7. Display mode
Three Digits “0.56” LED Digital Tube
8. Display the color: Green/Blue/Red
9. Lead length: approx: 20 cm / 7.87 in
10. outside dimensions: approx: 4.8×2.9×2.2 cm / 1.89×1.17×0.87 in
Hole Size: about 4.6×2.7 cm / 1.81×1.06 in
11. Net weight: about 18g
12. Operating Temperature: -20°C to 65°C
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