DC 0- 100V 10A Voltmeter & Ammeter Blue & Red LED Amp Dual Digital Volt Meter Voltage Current Meter Mini Digital Voltmeter Ammeter Testers 0.56
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- Working voltage of Meter itself:DC 4 – 30V
- Working current of Meter itself:≤20mA
- Voltage Measuring range: DC 0 – 100V
- Current Measuring range: DC 0 – 9.99A
- Voltage resolution (V): 0.1V
- Current resolution (A): 0.01A
- Measure accuracy: 1% (± 1 digit)
- Display: 0.28″ digital tube, Two color blue and red
- Refresh rate: about 300mS / times
- Wire Connection:
- Thin Red line (VCC): Power Supply + (DC 3.5-30V +)
- (if the measure voltage between DC 3.5-30V, then the Thin Yellow line and Thin Red line can connect together)
- Thin Black line (GND): Power Supply – (DC 3.5-30V -), Measure Voltage – (DC 0-100V -)
- Thin Yellow line (VIN): Measure Voltage + (DC 0-100V +)
- Thick Red line (I+): Current Input +
- Thick Black line (I-): Current Input –
- More detail please check the description picture.
- Error Phenomena:
- Due to the aging of the device and change of ambient temperature1. The error becomes larger when measuring small current.Solution: When there is no load, short-circuit 2 pads of KEY and then power on, the module will automatically do zero calibration, after that shut off the module and cut the short circuit point.
- 2. The error becomes larger in whole measurement range
- Solution: When connecting load(half of the range is best), keep adjusting R7 until it displays the same value with the more advanced calibration source.
- Dimensions:48mm*29mm*26mm
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