A digital voltmeter is ideal for home and shop use and aids in
troubleshooting and locate faulty
wiring. A digital voltmeter can also check and test
such as a
control relay or an ignition coil to help pinpoint a problem area and determine
which components need repair or replacement. A digital voltmeter checks AC/DC voltage,
amps, resistance, transistors and diodes and has a large digital display for easy
viewing. Most digital voltmeters are battery operated (batteries not included) and
have detachable color-coded test leads. Warranties can vary on digital voltmeters
but most have a 1 year guarantee with free replacement. A digital voltmeter can
be used to check for continuity of an electrical circuit. A digital voltmeter utilizes
two test leads to probe wiring using a sharply pointed rod which is optimal for
piercing a wire, or testing a fuse and checking the
surface charge of a battery.
A digital voltmeter is easy to use, first connect the ground clip to a ground source
to test power related issues, and to the positive battery terminal to test ground
Voltmeter Digital Voltmeter Function Range
DC Voltage 200mV to 1000V
AC Voltage 200V to 750V
DC Current 200?A to 10A
Ohms200 to 2M
Using a Digital Voltmeter to Test a Battery Surface Voltage
To check a battery surface voltage remove the positive terminal protective cover.
Connect the + positive side meter lead (red) to the positive side battery terminal.
Connect the - negative (black) side meter lead to the negative battery terminal.
With the vehicle not running and the car sitting over night the battery voltage
should be between 12.5 and 12.8 volts.
If further assistance is needed, our certified car repair technicians are ready
to answer your car questions.
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