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The voltmeter with 0.28 inches of digital ultra-small size tube has an area similar to a coin, using fully automated the SMD process manufacturing, process skills; voltage display accurate, better than any normal voltmeter.
Can be used for car / battery car / motorcycle can be used for a variety of voltage measurement purposes. Convenient access lines, used to monitor the battery voltage, grasp the battery state, and can also be used for other voltage measuring purposes.
- Dimensions: 30mm * 12mm * 9mm (L * W * H)
- Display: three 0.28 LED digital tube red
- 0-40V two wires
- 0-100V three wires
- Refresh rate: about 500ms
- Measurement accuracy: 0.3%
- Operating temperature: -10 ℃ -65 ℃
- Has protection of wrong reversed power.
- Change to three wires version
- Three wires 0-100V :
- power supply by black- & red+ wires
- sensing target black- & yellow+ wires.
- Two wires -0-40V: power and measure from same source
- black to ground
- red and yellow to postive power