This unit is a portable phase tester which is accurate and easy to use.You can use it to measure phase sequence and check for open phase.It uses LED light and buzzer sound as indicators.

 

SPECIFICATION

*Signal input voltage: 180~480V(3 phase AC power source)

*Signal frequency range: 20Hz~380Hz

*Max. withstand voltage:1800V(1 minute),or impulse voltage of 3800V

*Measurement time:180Vac≤40 minutes in duration

                                480Vac≤3 minutes in duration

*Size:93x70x30mm(main body only)

*Weight: about 200g

*Accessories: test clips(a set)

*operation instuction(a piece)