The In-Line Amp Function is a Key Component When Testing with Your Multimeter

Dec 30, 2015, 10:00 ET from Purkeys

LOWELL, Ariz., Dec. 30, 2015 /PRNewswire/ -- Understanding the many functions and capabilities of a multimeter can help fleet technicians diagnose electrical issues quickly and safely. Purkeys Engineers have the experience and knowledge to train and assist you in understand the ins and outs of the ammeter function on your multimeter.

First off, Multimeters—Multimeters are devices that combine multiple electrical measurement functions into one unit. These instruments typically measure voltage, electric current and resistance.

Using the ammeter in-line with a circuit means that, "You will break the circuit and place your meter in-line with it. That way the current that runs through the circuit will have to pass through the meter and give you a reading," stated Sales and Service Engineer Larry Rambeaux. "It helps to accurately test how much current something pulls."

The multimeter allows technicians to test pull loads and identify any circuitry deficiencies. It should become common practice to test circuits in-line with an ammeter. This can help identify current flow issues within a trucks circuitry, and help save fleets time and money.


For more than 25 years, Purkeys has delivered innovative, cost-effective solutions for the electrical needs of heavy-duty fleets. They look at the electrical system as a whole, then strategically work to achieve the maximum return on investment while reducing maintenance costs and equipment usage. Their level of expertise has garnered more than 10 U.S. patents and attracted the attention of fleets, OEMs and other industry leaders throughout North America. For more information please go to

Press Contact:
Brooke McNeely, content director, (479) 287-4006
823 S. Lincoln St.
Lowell, AR 72745

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