The SDM4000A series 5½-digit and 6½-digit digital multimeters (DMMs) by Siglent Technologies are now available in the UK from Telonic Instruments. The SDM4000A series DMMs offer 2,200,000 counts for ...

Save guides, add subjects and pick up where you left off with your BBC account. Using Ohm’s Law (V=ꞮR), you can calculate the expected values for voltage, current, and resistance in a circuit ...

How good is a cheap multimeter? We try to answer that question in this test of the PeakTech P1073, a so-called smart multimeter with a price of around 25 euros. That’s not super cheap, but certainly ...