Safety Ratings. As far as Asian-made multimeters go, Greenlee (or Brymen) are probably as good as it gets regard to safety and build quality. They are on par with the Chinese-built Fluke 110 series, featuring the required input protection to safeguard against high voltage surges.
Which multimeter should I use?
BEST ALL AROUND: Klein Tools MM500 Auto Ranging Multimeter. BEST VALUE: Tekpower TP8260L Analog Multimeter. BEST FOR ELECTRONICS: Greenlee DM-45 Multimeter. BEST FOR AUTOS: Fluke 88 V/A KIT Automotive Multimeter Combo Kit.
What do multi meters do?
A digital multimeter is a test tool used to measure two or more electrical values—principally voltage (volts), current (amps) and resistance (ohms). It is a standard diagnostic tool for technicians in the electrical/electronic industries.