• Low voltage mode: Low-voltage motor (<90V), audio systems, arc welding machines,underground mining lighting, cables with thick insulation layer and other weakelectromagnetic AC signals. 
• High voltage mode: Urban electric supply and three-phase systems (90~1000V). Forexample, power distribution units, electrical panels, electrical appliances.

Package Included:

• 1 x UT12D-ROW AC Voltage Detector