Features: <br> <br>Fast and accurate measurement results. <br>Open phase indication and phase rotation indication 2 functions. <br>Checks open phases and identifies 3 phase sequence condition. <br>With simultaneous indications via LEDs and audible buzzer sound. <br>Indicates direction of the rotation. <br>Ensures the object being tested is not damaged from incorrect wiring. <br>Portable, compact design and meet the IEC?348 electrical safety standards. <br> <br>Specifications: <br>Working Voltage: 60V~600V (AC, three phase) <br>Continuous Use Time: ≤60 minutes at 60V AC; ≤4 minutes at 600V AC <br>Working Frequency Range: 20Hz?400Hz <br>Maximum Withstand Voltage: 2000V/min (impulse voltage 4000V) <br>Test Leads: Double insulation <br>Test Lead Length: Approx. 1meter/3.3ft <br>Protection Level: 2000V <br>Operating Temperature: ?10℃~60℃ <br>Size(L x W x D): Approx. 8.3 x 6.5 x 2cm/3.27 x2.56 x 0.79in <br>Weight: 253g(approx.) <br> <br>Package Includes: <br> <br>1 x Tester <br> <br>3 x Test Leads with Clips <br>1 x Bag<br>1、Fast and accurate measurement results. <br>2、Open phase indication and phase rotation indication 2 functions. <br>3、Checks open phases and identifies 3 phase sequence condition. <br>4、With simultaneous indications via LEDs and audible buzzer sound. <br>5、Indicates direction of the rotation.