Dual Led 0.28 ” Display for DC0-100V Voltage and Current Test Digital Instrument Digital Meter Panel Amplifier Red Blue 10A

(6 customer reviews)

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Approx Restocking Date: 25 to 30 Days
SKU: 1187603
  1. Operating current: 10mA
  2. Operating voltage: DC 4.5 ~ 30V
  3. Minimum resolution(V): 0.1V
  4. Minimum resolution(A): 0.01A
  5. Display color: Red and Blue (two-color display)
  6. Measure accuracy: 1%


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Brand: Generic
Category: Digital Voltage, Current and Frequency Meter

This is Dual Led 0.28” Display for DC0-100V 10A Voltage and Current Test Digital Instrument, Digital Meter Panel Amplifier Red Blue 50A.

So a digital voltage is a voltage that can be in only 1 of 2 states. The voltage can either be entirely off or LOW at 0V. Or the voltage can be entirely ON or HIGH at the peak voltage. Let’s say the voltage of the signal goes to 5V. This means the digital voltage can either be 5V or 0V.

The working of a digital voltmeter is converting an analog signal into a train of pulses. The number of pulses is proportional to the input signal. Therefore, a digital voltmeter can be made by using any A/D conversion method. Initially, a voltage signal is introduced to the pulse generator.

  1. Display Voltage and current simultaneously in different colors, red for Voltage, Blue for current (the current is Measured in the negative rail).
  2.  Require external power supply; with reversed connection protection.
  3. The ground wire of the testing end and power supply terminal is the same wire; a quick refresh of about 500 MS/time.
  4. With a built-in shunt, has Voltage and current calibration potentiometers. Applications: Suitable for automotive/electric cars/motorcycles battery monitoring or other products’ voltage current measurement


  1. Color: Like the picture show
  2. Rapid response recovery characteristics.
  3. It Has a long life and reliable stability.
  4. High precision, four digital displays.
  5. Measure voltage: DC 0 ~ 100V
  6. Operating voltage: DC 4.5 ~ 30V
  7. Minimum resolution(V): 0.1V
  8. Minimum resolution(A): 10A
  9. Operating current: 20mA
  10. Display: three 0.28″ LED digital tube
  11. Display color: Red and Blue (two-color display)
  12. Mounting cutout: 45.5 x 26.5mm
  13. Refresh rate: about 500mS / times

Package Includes: 

1 x Dual Led 0.28” Display for DC0-100V 10A Voltage and Current Test Digital Instrument, Digital Meter Panel Amplifier Red Blue 50A


0.28" Two-color blue and red

Working Voltage

DC 4V-28V

Working Current(mA)


Operating Temperature (°C)

-10 to 65° c

Working Pressure Range

80 to 106 kPa.

Operating humidity

10 to 80% (non-condensing)



Length (mm):


Width (mm):


Height (mm):


Shipping Weight 0.0002 kg
Shipping Dimensions 8 × 5 × 2 cm

Based on 6 reviews

4.7 overall

Add a review

  1. joeljoseph32.jj (verified owner)

    The best voltage meter in this price range that I’m using in my old SMPS works great; I love it.


  2. Mohammad Shoyeb (verified owner)

    Ok tested

    Mohammad Shoyeb

  3. Anil Motwani (verified owner)

    (1) Has one preset for voltage off-set correction not for ampere reading correction.
    (2) Shunt for current calculation is a SMD component resistor.
    (3) Polarizer film on the LED display is translucent and slightly undersized.
    (4) Build quality is okay and good for the price.

    Anil Motwani

  4. John (verified owner)

    Works perfectly. I do not expect accurate measurements considering the price, but it is a nice product and will add a nice touch to my project


  5. NARENDRA KUMAR NEGI (verified owner)

    Perfect product as per my needs. Excellent working


  6. akash.boda.bablu8519858541 (verified owner)

    exulent product


Connection Diagram

Questions and answers of the customers

    please share connection details
  1. 0 votes
    Q please share connection details answer now
    Asked by suraj.s on July 7, 2023 5:28 pm

    Kindly check the video section.

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Country Of Origin: China