The multimeter combines multiple electrical diagnosis functions into one portable unit. One of the more frequently used functions of the multimeter is the ohmmeter. The ohmmeter measures resistance in…

Challenge An instructor for a technical school was having problems reinforcing the lessons he was teaching about voltage, frequency, and resistance. Training technicians to properly use a multimeter with heavy-duty…

The multimeter combines multiple electrical diagnosis functions into one portable unit. Technicians use this tool to test a wide range of situations, including voltage drop, continuity checks, diode checks,…

Heavy-duty vehicles are used by a variety of companies and organizations for a wide range of jobs. Sometimes they need additional electronic devices in order to properly perform their…

Testing the Circuit with a Voltmeter   Multimeters combine multiple electrical measurement functions into one portable unit. These instruments measure voltage, current, and resistance to detect or diagnose a host…

The multimeter is a great tool for any technician who needs to test and diagnose electrical systems. These handy devices combine multiple functions into one portable unit. Technicians can use…

Fleets with liftgate charging systems that use a 7-way can sometimes have issues getting adequate power to their charging systems. Many technicians will try to measure the power by…

Most inverters have a low voltage disconnect (LVD) that are made to protect just the inverter, but Purkeys’ inverters can protect the vehicle and the inverter with its programmable…

Heavy-duty vehicles that pull multiple trailers at once come with a unique set of issues. That is why Purkeys and Silver Eagle Manufacturing Company have collaborated to develop the…

CAPS is a portable, safe, and easy-to-use jump starter for heavy and light-duty applications. It can charge, discharge, and then recharge faster than any lead-acid, battery-powered jump starter. It…