What are the Disadvantages to Auto Ranging DMMs?
Auto rangers aren’t for everyone, as they have some disadvantages. First is cost. An auto ranging DMM will cost more. Second is speed. It takes a moment longer to test a component on an autoranging DMM. This extra time means nothing, *unless* using the meter to measure a “pulsing” value. For example, a voltage that goes up and down over a short period of time. An auto ranging DMM won’t be fast enough to read the voltage, set it’s range, then read the voltage again and display it. A manual range DMM would work much better here. For this reason, most “seasoned” repair people do not want an auto ranging DMM (note many good auto ranging DMM’s have the ability to turn the auto range option off, and set the range to test manually). DMM Leads and Clips. Some DMM’s come with threaded probe ends on the red and black wire leads. These allow aligator clips to be screwed to the ends, or other nifty attachment clips, to make using a DMM easier. I highly suggest this type of leads. If your meter doe
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