This voltmeter can be used to measure the storage battery’s voltage in motorcycles and cars and also can grasp the storage battery’s status. It also can be used to measure other voltage. 30V is the voltmeter’s maximum operating limited voltage, please leave enough margin when working, to avoid voltmeter’s permanent damage because of an electrical spark, power supply ripple, or other too high abrupt change of voltage. The red wire is to connect to the positive pole, the black wire is to connect to negative pole and the yellow/white wire is to connect to the positive pole of that source or another source across which we meant to measure the voltage. While measuring the supply voltage of another source make sure that negative pole is joined common. No need to worry even if there is any connection mismatch of the wires, the electric circuit won’t be a boom because it features reverse polarity protection.

Weight 100 g
Dimensions 3 × 2 × 1 cm
Measuring range

DC 3.5~30V two-wire access

Mounting holes distance:

29mm

Measurement accuracy

1 %(+/- 1 digit)

Display:

Three 0.28 " LED digital tube

Cutting size:

23.5mm x 10mm

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