0.28 inch Digital Voltmeter Ammeter DC 100V 50A LED Amp Volt Meter With Shunt

(8 customer reviews)

In stock

SKU: 43398
  1. Operating Voltage: 5V DC
  2. Current Consumption: <60mA
  3. Testing Voltage: 0-100V
  4. Testing Current: 1-50A
  5. Easy to read even in dim light


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Category: Digital Voltage, Current and Frequency Meter
Tags: LED Display, Voltmeter, Ammeter, Shunt Resistor

This is 0.28 inch Digital Voltmeter Ammeter DC 100V 50A LED Amp Volt Meter With Shunt. This meter will measure up to 100 VDC with a 0.1-volt resolution.

One thing to note is, this meter has 2 wiring harnesses. One harness is to provide power for the meters, that’s the 2 poles with a RED and a BLACK lead. Small size, portable, the magnitudes of voltage and current are displayed on the same screen at the same time.

This can be supplied anywhere from 6 volts DC up to 30 VDC. This is a separate power supply that is isolated from the source, it is possible to use the same supply but it seems to affect the amp meter reading. The 3 wire harness is used for a ground that connects directly to the battery or supply ground of the load.


There are different wiring variants with the same working functionality is available which will be shipped randomly. 

If the input voltage is more than 5V then please use the buck converter.



Features :

  1. It measures up to 100V and 50A DC.
  2. Very handy and small in size.
  3. It requires a power supply of 5V.
  4. 100% Brand new and high quality.

Package Includes:

1 x Dual LED Panel Ampere Voltage Meter.

1 x Current Shunt.




Red and Blue

Operating Voltage (VDC):


Current Consumption (mA)


Testing Voltage (V)

0 to 100

Testing Current (A)

1 to 50

Refresh Speed (ms)

500 (one time)

Operating Temperature (°C)

-10 to 60

Height (mm):


Length (mm):


Width (mm):


Shunt Resistor Dimensions (mm)

120x25x20 (LxWxH)

Weight (g):


Shipping Weight 0.018 kg
Shipping Dimensions 13 × 5 × 4 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects. Replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

Based on 8 reviews

4.1 overall

Add a review

  1. Somen Ghosh (verified owner)

    Excellent product.
    I suggest and expect a robust casing

    Somen Ghosh

  2. dswmecheng (verified owner)

    good quality Products.


  3. haleshakv (verified owner)

    volt meter is OK but ammeter shows wrong and calibration pre set completely failed.?


  4. orangecafe54 (verified owner)

    good product, fast delivery


  5. hotelvikram (verified owner)

    Good !!


  6. Allen Antony (verified owner)

    The product was shipped immediately and arrived on time. The item works as published and the built quality is decent.

    Allen Antony

  7. Alok Verma (verified owner)

    Nice product

    Alok Verma

  8. Graiden (verified owner)

    Good Product however it does not have short circuit protection.



Wire connection

Questions and answers of the customers

  1. 0 votes

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  2. 0 votes

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  3. 0 votes
    Q What is the value of shunt ?
    Asked by telefixindia on January 6, 2023 10:10 pm
    There are no answers for this question yet. Answer now
  4. 0 votes
    Q that means i do not need to calibrate? answer now
    Asked by Ankur_jayshree on March 30, 2021 6:52 pm

    Yes, no need to calibrate. 

  5. 0 votes
    Q is it calibrated voltage and amp meter? answer now
    Asked by Ankur_jayshree on March 26, 2021 12:53 pm


Only registered users are eligible to enter questions
Country Of Origin: China

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