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Experience easy and accurate voltage testing with the Extech DL160 10 VAC to 600 VAC Voltage Tester, featuring an LCD display and a sleek design that makes it perfect for both on-site field testing and maintenance work. This voltage tester measures AC voltage from 10VAC to 600VAC and automatically detects and indicates power quality problems such as phase reversal and open circuits. With its included alligator clips, current sensor modules, test leads, voltage sensor modules, and AAA batteries, this device is ready to use right out of the box. Whether you're an electrician, HVAC technician, or maintenance worker, the Extech DL160 will provide accurate and reliable voltage testing for a variety of applications.