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12 Volt Digital Voltmeter, DROK 0.56" DC 3-30V 12v Voltage Tester Gauge Green Bright LED Display Two Wires Volt Meter Detector for Solar Battery Monitor Checker Car Motor Panel Mount

4.4 out of 5 stars 565 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Voltage Testers by DROK

Was: $10.29 Details
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Enhance your purchase

Brand DROK
Product Dimensions 1.89 x 1.14 x 0.87 inches; 4.32 Ounces
Measurement Type Voltmeter

About this item

    This fits your .
  • Make sure this fits by entering your model number.
  • High accuracy: DROK digital voltmeter measuring range is DC 3-30V, its decimal point will automatically move, and it also has a tiny potentiometer to do finer adjustments.
  • Easy to connect wires: the voltage tester gauge only has two wires, the red connects to positive and the black connects to negative.
  • Safe to use: our volt detector is designed with reversed connection protection, it will NOT be burnt even when connected reversely, but the screen display nothing.
  • Special Design: the voltage mintoring meter is designed with bright LED display, and it is well Made, the strong plastic case prevents it from easily damaged by outer force.
  • Application: It is perfect to monitor the condition of the battery, especially for solar projects, you can use it on your car, trailer, motor, etc. Please don't use this meter in 24V battery because when the battery is full-charged, its voltage will be about 30V.
Specifications for this item
New (2) from $6.99 FREE Shipping on orders over $25.00 shipped by Amazon.

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Frequently bought together

  • 12 Volt Digital Voltmeter, DROK 0.56" DC 3-30V 12v Voltage Tester Gauge Green Bright LED Display Two Wires Volt Meter Detecto
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Product description

Technical Parameters:
Dimension: 48×29×22mm
Cutting size: 46×27mm
Measuring voltage range: DC 3-30V
Maximum input: DC 30V (if the input voltage is higher than DC30V, the voltmeter will be burnt)
Minimum input: DC 3V (if the input voltage is lower than DC 3V, the value will be inaccurate or not displayed)
Measurement accuracy: Less than 10V, accurate to 0.01V; More than 10V, accurate to 0.1V (allowable tolerance: 1% +/- 1 word)
Display: 3 digit 0.56'' LED digital tube
Font Color: Green
Refresh rate: about 200mS
No need power supply
Consuming current: less than 20mA (generally 5-15mA)
Operating temperature: -10°c-65°c
Wire length: 20cm
Reverse connection protection: YES
Method of wiring:
Red wire: Positive
Black wire: Negative
Note:
Please don't use this meter in 24V battery because when the battery is full-charged, its voltage will be about 30V
(the max input volt for this meter), and we don't suggest you use it in max volt of 30V.
Package Includes:
1× 0.56'' Voltmeter

Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 1.89 x 1.14 x 0.87 inches; 4.32 Ounces
  • Item model number ‏ : ‎ 090079
  • Department ‏ : ‎ Unisex-adult
  • Date First Available ‏ : ‎ March 28, 2013
  • Manufacturer ‏ : ‎ DROK
  • ASIN ‏ : ‎ B00C2NTJHS
  • Customer Reviews:
    4.4 out of 5 stars 565 ratings

Customer Questions & Answers

Customer reviews

4.4 out of 5 stars
4.4 out of 5
565 global ratings
How are ratings calculated?

Top reviews from the United States

Reviewed in the United States on April 12, 2015
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3 people found this helpful
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Reviewed in the United States on October 16, 2016
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2 people found this helpful
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Reviewed in the United States on September 1, 2017
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2 people found this helpful
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Reviewed in the United States on May 6, 2014
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28 people found this helpful
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Reviewed in the United States on November 16, 2014
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13 people found this helpful
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Reviewed in the United States on December 14, 2015
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Reviewed in the United States on February 4, 2021
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3.0 out of 5 stars Missing LCD Segments
By Lapsed_Pacifist on February 4, 2021
I unfortunately waited too long past the return period to take it out of the package and test it, but this little voltmeter is missing display segments, making it pretty unreadable and useless.

I don't see any bad solders on the LCD pins, but something is sure wrong with it.
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Reviewed in the United States on January 18, 2017
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2 people found this helpful
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Top reviews from other countries

Amazon Customer
5.0 out of 5 stars Looks great, works great
Reviewed in Canada on April 26, 2021
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5.0 out of 5 stars Looks great, works great
Reviewed in Canada on April 26, 2021
Looks great, install was fairly simple. Certainly no challenge for someone who has done a similar project before or has a diy inclination. Highly recommend it if you run your accessories on battery power frequently and don't like risking draining your battery.
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Guillaume
5.0 out of 5 stars Great instrument at a great price
Reviewed in Canada on June 3, 2019
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5.0 out of 5 stars Great instrument at a great price
Reviewed in Canada on June 3, 2019
I use this to monitor LiPo voltage on an RC car and am really happy with it. The adjustment screw is a blessing for those requiring accurate readings and it's nice that there's a light diffuser in there making it appealing to the eye.
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One person found this helpful
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Brandon Dipede
4.0 out of 5 stars Overall a pretty gokd product
Reviewed in Canada on December 5, 2017
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One person found this helpful
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Amazon Customer
5.0 out of 5 stars Good product
Reviewed in Canada on May 11, 2019
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Andrew Weisler
5.0 out of 5 stars Ease of Installation for DIY project
Reviewed in Canada on April 14, 2020
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