Each model has a GS-Mark EN61010-1 Approval, Over-Voltage Category II 600 Vdc/Vac; Pollution Degree. Models: HHM26 and HHM28 have RS-232 Interface. Logic Probe Tester Models are HHM15, HHM20, HHM23.

Two new autoranging 4,000-count digital multimeters (DMM) have 3¾-digit displays and measure ac/dc voltages from 100 µV to 1,000 V; ac/ dc current from 400 µA to 10 A; and resistance from 0.1 Ω to 40 ...

Seattle, Wash. — Signametrics Corp. has introduced the SMU2055 6-1/2 digit USB digital multimeter (DMM). The SMU2055 is powered directly from the USB connection, and consumes only 1-1/2 watts.

While using a digital multimeter to diagnose electrical problems on customers’ equipment, I frequently hear the comment, “I’ve got one of those multimeter things, but I never learned how to use it.” ...

The Fluke 233 is a flexible digital multimeter that allows the user to acquire measurements in different scenarios all at once. The display is removable making it very convenient for hard-to-reach ...

Maintenance professionals are constantly being deluged with new models, new manufacturers, and new functionality in handheld digital multimeters. Safety features are perhaps the most critical factors ...

Modern digital multimeters (DMMs) are user-friendly, accurate, and safe — when used correctly! Reading voltage is simple, but measurements must be properly interpreted. With a clamp-on DMM, accurate ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." When tackling DIY projects that involve any kind of electrical wiring, components, or circuitry, you need ...

It's evident right in the name why a multimeter can be so handy — it measures multiple things, including voltage, current, and electric resistance. This makes it useful whether you're a professional ...

Some things go together, like chocolate and peanut butter. Others are more odd pairings, like bananas and bacon. We aren’t sure which category to put [IMSAI Guy]’s latest find in. He has a microscope ...