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⭐ Mini Voltmeter Tester LED Digital Display Voltage Meter Car DC 0-100V ⭐

from Moore-Duino Moore Estates UK
 
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 Description
The colour of meters in the photo’s are not as I would like, they do not reflect the true colour of each module.
This voltmeter has the smallest volume, DC range DC0-100V, universal for 2-wire and 3-wire products, breaking the conventional voltmeter, is the latest design.
1. It can work directly in 5V, 9V, 12V, 24V and other circuits without voltage regulation.
2. It is equipped with three wires for easy access to the car/battery/motorcycle car line. It has reverse connection protection function, and the wire connection will not burn.
3. It is used to monitor the battery voltage, grasp the battery voltage status in time, and can also be used for voltage measurement of other products.

Note: that the maximum input voltage of the 2-wire cannot exceed 30V, otherwise there is a danger of burning.

Note: The three-wire use voltage range is 0-100V, which can also be used for two-wire, but the voltage should be within 40V.

In Order To Read Below 5V:
you need to supply the meter with about 5v dc across the red and black and the white goes to the voltage you want to measure and the black wire is common to the supply to the meter and the voltage you want to measure.
The meter needs a sperate supply if you want to measure voltages lower that 5v

Features:

1. The product has good stability and high measurement accuracy.
2. The appearance is standard size and easy to install.
3. The power supply uses a polarity protection circuit.

 

Specification:

Technical Parameters:

2-wire working voltage: 4.0-40V (with reverse connection protection)
2-wire detection voltage: 0.0-40V
3-wire working voltage: 4.0-40V (with reverse connection protection)
3-wire detection voltage: 0.0-100V
Working current: <20 mA

Display mode: 0.28" LED red, green, blue, yellow optional.

Measurement rate: ≥200mS/time

Measurement accuracy: 0.3%

Size: 32 x 11 x 9mm

Package weight: 5 g

Colour: Red, Green, Blue, Yellow (Optional)

PLEASE NOTE:
Whilst we would love to hear about your wonderful projects, I’m afraid we can’t ….. There is some wonderful information out there on this module should you need it (open source) so please use it. Unfortunately, we are not gurus of Voltmeters.


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