1. Three wires digital voltmeter, 0.28" LED display, mini size, with reversal protection.2. Measure voltage range 0-100V, need DC4-30V external power supply.
- Color:Red
- Three line Measuring range: DC 0V-100V
- Two line measuring range: DC 4-30V
- Working current: More than 20Ma
- Input range: DC 5-30V
- Display: Three 0.28inch digital tube
- Dimensions: 24mm * 11mm * 9mm
- Perforation size: 23mm * 10.5mm
- Refresh rate: 200mS / times
- Measurement accuracy: 1%
- Operation Temp: -10 - +65 degree
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