Why Does My UNI-T Digital Multimeter Need a Hall Sensor to Diagnose Automotive Parasitic?
You might have noticed your UNI-T multimeter needs a special hall sensor to find a parasitic battery drain on your car. This matters because a standard multimeter can struggle with the tiny, fluctuating currents that slowly kill your battery overnight. The hall sensor acts like a super-sensitive current spy, clamping around the wire without you … Read more