DIY Practical Dual 0.28 inch 3 Digit Red Blue LED Display Voltage Current Meter ( DC 0 - 100V / 50A )

- BLACK 116793801

$5.85
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Main Features:
● Operating voltage: DC 4.5 - 30V
● Measure voltage: DC 0 - 100V
● Minimum resolution(V): 0.1V
● Measure current: 50A (direct measurement, extra shunt needed)
● Minimum resolution(A): 0.01A
● Operating current: Less than 20mA
● Display: 0.28 inch LED 3-digital tube
● Display color: Red and blue (two-color display)
● Dimensions: 48 x 29 x 21mm
● Mounting cutout: 45.5 x 26.5mm
● Refresh rate: about 500mS / times
● Measure accuracy: 1 percent (+/- 1 digit)
● Operating temperature: -10 - 65 degrees
● Perfect for DIY projects / automotive / electric cars / motorcycles battery monitoring or other products voltage current measurement

Specification

General

Material: Plastic

Weight and Size

Product weight: 0.016 kg
Package weight: 0.056 kg
Product Size(L x W x H): 4.8 x 2.9 x 2.1 cm / 1.9 x 1.1 x 0.8 inches
Package Size(L x W x H): 10.0 x 7.0 x 3.0 cm

Package Contents

Package Contents: 1 x DIY DC 0-100V / 50A 0.28 inch 3 Digit Red Blue LED Display Voltmeter Current Meter

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Customer Reviews

Overall Customer Rating:
Share your thoughts with other customers Write a Review
  • daive
    Test OK
    Color:Black
    Pros:
    It was forgot to arrange a shunt.
    FL - 2 Current Transformer
    50A 75mV National Standard DC Diverter
    https://www.gearbest.com/testers-detectors/pp_679400.html?
    50A 75mV DC Current Shunt Resistor
    '
    2P:BLACK:GND1,RED:VCC1
    3P:BLACK:GND2,RED:VCC2,
    YELLOW:Ampere
    GND2 ----> 50A/75mV-Shunt ----O---> Load Negtive
        O: YELLOW contact point
    '
    Shunt Substitution :Twisted waire , Test only.
    GND2 - Rheostat - YELLOW : Ampare displayed., Test only
    '
    Voltage Dispaly 0.00V to 9.00V : 0.01V dig
    Ampere Display 0.0 A to 5.0 A / 0.1A dig   
    '
    Back side Volume : Ampere ADJ.                   
    Cons:
    none

    Mar 23,2018

    Is this helpful? Yes (0) No (0)
  • Steven
    Works but lacks a guide
    Color:Black
    Pros:
    It's working well, but it was a little complicated to get it working as there were no explications.
    You'll need an additional 0,015ohm shunt resistor, connected on the ground/negative.
    Cons:
    No explication/guide

    Dec 20,2016

    Is this helpful? Yes (0) No (1)
  • Vyacheslav Solyanyk
    DIY Practical Dual 0.28 inch 3 Digit Red Blue LED Display Voltage Current Meter
    Color:Black
    Pros:
    bright screen is well visible numbers
    It requires an external shunt for current
    Cons:
    no

    Aug 02,2016

    Is this helpful? Yes (0) No (0)
  • Enri K
    Easy to read display
    Color:Black
    Pros:
    The reading of numbers is very easy, big digits.
    I was a little confused with needing or not a shunt resistor. Now I think that it needs it.
    Cons:
    The shunt is needed.

    Aug 17,2016

    Is this helpful? Yes (0) No (0)
  • AndreaB
    Good price
    Color:Black
    Pros:
    -cheap
    -good for a variable PSU
    Cons:
    -may be not easy to use

    Mar 14,2016

    Is this helpful? Yes (1) No (0)
  • ahmed
    3810 -Safa Unit No.1 - 23453 - 6602 3810 - Jeddah - 23453 - 6602
    Color:Black
    Pros:
    Thank you for receiving the product

    And very good product
    Cons:
    no

    Nov 07,2017

    Is this helpful? Yes (0) No (0)
  • Igor
    Homemade
    Color:Black
    Pros:
    i used this for my homemade power supply and its very precise:)
    Cons:
    nothing

    Feb 21,2016

    Is this helpful? Yes (1) No (0)
  • AndreaB
    Voltmeter
    Color:Black
    Pros:
    Good price for a pratical voltmeter, used for home mad psu
    Cons:
    none

    Nov 11,2016

    Is this helpful? Yes (0) No (0)

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