Description: Tests phase rotation up to 1000VAC with visual/audible indication

Features:

• 75 to 1000VAC input voltage with 45 to 65Hz frequency range
• LEDs indicate phase orientation (clockwise or counter-clockwise) and whether each phase is live
• Beeper sounds intermittently when correct phase is detected and continuously if phase is reversed
• Durable housing with back cover magnet for attachment to an AC distribution panel for easy measurement
• Adjustable Hi/Lo LED brightness switch for making measurements in dimly lit areas or sunlight
• Fully insulated alligator clips with wide jaws
• Low battery warning
• Complete with three built-in 30" test leads with large color-coded alligator clips, four AA batteries, and pouch case