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 ...

Models 670 and 675 true-rms clamp-on meters are designed to measure and display amps and volts simultaneously. The meters also feature auto-ranging capability and provide enhanced measurement range ...

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 – ...

Joining Protek’s lineup of clamp-on meters is the Model 667C, which measures 3-phase, 3-wire; 3-phase, 4-wire; and single-phase circuits to 600 V at 1000 A with true, reactive, and apparent power ...