5pcs 0.28 Inch Three-Wire 0-100V Adjustable DC Red Digital Voltmeter
5pcs 0.28 Inch Three-Wire 0-100V Adjustable DC Red Digital Voltmeter
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$6.59 USD
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Product Features:
- Easy Wiring: Simply connect the red wire to positive and the black wire to negative. Reverse connection is protected for your safety.
- No External Power Required: Operate the voltmeter directly using the measuring voltage. It supports two-wire voltage ranges from 2.50-30V and three-wire up to 100V.
- Wide Voltage Range: Operates safely from 2.50V to 40V. Exceeding 40V may result in damage.
- Display Precision:
- Two decimal points for voltages below 10V.
- One decimal point for voltages above 10V.
Specifications:
- Measuring Range: Three-wire DC 0-100V / 500V
- Power Supply: No separate power supply needed
- Test Accuracy: ±1%, >10V error ±0.1V
- Input Resistance: Greater than 50KΩ
- Working Current: Refresh rate approximately 100ms
- Display: Three-digit 0.28" LED digital tubes
- Lead Length: Default 20cm
- Dimensions: 30 x 11.5 x 9 mm
- Mounting Hole Size: 26mm pitch, 2.4mm aperture
- Net Weight: 4g
- Operating Temperature: -10°C to +80°C
- Working Humidity: 10% to 80%
- Working Pressure: 80 to 106 kPa
Package Includes:
- 5 x Voltage Meter