Description

Description

This is a Three wire 0.28 Inch LED Mini DC Voltmeter. Thanks to the small dimension it can be easily integrated into your project. It has three wires (yellow, red and black) and can measure up to 100V.  The voltmeter can measure up to 100V. If the actual measured voltage is higher than 3.5V and is lower than 30V, you can also merge the red and yellow wires and simplify the wiring like this. In this case, the measured voltage will also work as the power supply for the voltmeter. This voltmeter has been calibrated before leaving the factory. However, if you want to get better accuracy,  you can calibrate it by spinning the potentiometer on its back. Spinning the potentiometer clock-wise will reduce the displayed voltage value.


Specifications:

  1. Power Supply:   3.5~30V
  2. Measured Voltage:   0~100V (3-wire mode) or 0~30V (2-wire mode)
  3. Working Temperature:  -10~+65℃
  4. Measure Speed:  200ms a time
  5. Accuracy:  3%

Usage Guide:

  1. This voltmeter has three wires, and they are:
  2. Yellow: anode of the measured voltage
  3. Red: anode of power supply for the voltmeter
  4. Black: common cathode of measured voltage and power supply

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Packages Include:

1 × Three wire 0.28 Inch LED Mini DC Voltmeter

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Additional information

Weight 0.1 kg

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