For an easy to use voltage meter that fits in your hand, try the Analog voltage tester from Triplett. Featuring 18 ranges and functions, this pocket-sized VOM has all the versatility and performance of larger, more expensive devices. Encased in a drop resistant, high-impact cover, these 310 models can take a bit of a beating before they crack—the Triplett Analog VOM even has protection from diode overload and resists up to 20M Ohms.
The two Triplett 310 models are very similar, but there are a few differing features between the two. 310C can do everything its counter-part can do, but it also has decibel functions for audio work, a polarity reversing switch, and greater sensitivity on AC volts. Powered by 12V batteries, and implemented with 250V fuses, the energy sources are easily replaceable. It is clear that no performance is sacrificed on Triplett Analog Hand Sized Testers, great for telecommunications maintenance and repairs.
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