فولتميتر AC بطرفين 220 فولت مقاس 0.56 بوصة (مدى 70 إلى 500 فولت)

Usage/Application Volatge tester Measurement
Voltage 70-500 V AC
Power Supply AC
Display Type LED
Phase Single
Brand Nanhoelectronics
Color Red Display
Features Seven Segment,Two Wire,Voltage Tester
Size 4.8 x 2.9 x 2.2 cm
Minimum Order Quantity 1 Piece
Product Description

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

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: 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
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

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