Inrush current effect is common in electric motors. Sometimes, in case of ill-designed electrical wiring systems, switching on the motor may activate the fuse. It is caused by the inrush current – ...

If you work on high-current dc power supplies or motor-control systems, you probably don't want to break high-current paths to insert shunts for measuring current. Although engineers have known and ...

The new, handheld Fluke 353 and 355 Clamp Meters feature extra wide jaws (up to 58mm) to easily clamp around large conductors and bus-bars typically found in high current applications. A special mode ...

Extech Instruments announces its MA640 600A True RMS AC/DC Clamp Meters + NCV that has a higher accuracy rating then standard RMS meters. Extech Instruments announces its MA640 600A True RMS AC/DC ...

The main advantage a good clamp meter gives you is being able to measure current without shutting off the power. You don’t have to strip back insulation either. This makes them very popular with ...

[DainBramage] needed a DC ammeter to check how long his amateur radio station would be able to stay powered on battery backup power. The one’s he already had on hand were a Clamp Meter, which could ...