AC 70-500V 0.56" LED Digital Voltage Meter Volt Instrument Tool 2 Wires Red Green Blue Display 110V 220V DIY 0.56 Inch

AC 30-500V 0.56" LED Digital Voltage Meter Volt Instrument Tool 2 Wires Red Green Blue Display 110V 220V DIY 0.56 Inch

Descrtion: 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

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