subject: Automotive Multimeter: A Must-have For Mechanics [print this page] Whether you are a handyman around the house or a high-profile engineer in a corporate set-up, your basic function remains the same. Your responsibility, most likely, is to ensure that all electrical hardware works fine, and that is not an easy job. From ensuring the maintenance of machines to checking for electrical flow, from regular oiling of parts to fixing damaged machines; you have to get it all done. While your expertise is an absolutely vital element, without the right kind of tools and measuring devices your work would not be complete.
One of the must-have tools for mechanics, especially those dealing in the auto industry, is the automotive multimeter. This is a multitester digital device that helps maintain the valuable electronic equipments. This device aids in making electronic measurements like volts, ohms and amperes. For vehicles, in particular, this device is used to test different internal components. Lately, it comes enabled with many other features, but this remains its primary job. It is available in analog and digital variations; the latter is most commonly available these days.
These multimeters may be divided into two main types: compact and general. The former are known for their small size. They are easy-to-use and very handy. They come with a strong battery life and applications that are best for a utilitarian job.
General multimeters are designed for everyday, rough usage for electrical maintenance. They usually have a remote or wireless feature, along with a detachable screen for convenience.
Earlier, auto mechanics used these meters mostly to check for battery levels and dwell angles. However, today, they are an essential part of their tool kit as they check a number of different things like diodes, switches, relays and solenoids, besides batteries, when troubleshooting a vehicle. Plus, all meters would test for voltage, current and resistance, which are probably where most of the vehicular problems lie.
While picking an automotive or HVAC multimeter, there are a few things you need to keep in mind. First and foremost, look at the meters impedance, that is, the machines operating resistance. Usually, digital meters have high impedance, as the meter is the part of circuit being tested in the vehicle. However, it is best to check before investing in one for your kit. Depending on your requirement, you may also look for other features in these meters, including instance temperatures probe, transistors, etc.
If you already have this device in your tool kit then you may want to take another look at it based on these tips. If not, invest in one to make your work fast as well as accurate.
by: Callie Brown
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