
Extech 480400 phase sequence tester, 40-600V, 15-400Hz, graphical LCD, no battery required, CAT III-600V approved.
Determine the phase orientation of three-phase power sources with the Extech Instruments 480400 Phase Sequence Tester. This handheld instrument is designed for electrical professionals who need a quick and reliable way to verify phase sequence and phase status. With a rated range of 40V to 600V and a frequency range of 15Hz to 400Hz, it is versatile enough for a wide range of three-phase systems.
The large multiline graphical LCD clearly displays whether the phase orientation is clockwise or counter-clockwise and indicates whether each phase is live. This makes it easy to confirm correct wiring and troubleshoot issues. No battery is required; the tester is powered directly by the circuit under test, ensuring it is always ready to use.
Key Features
Supplied with colour-coded test leads and three large alligator clips, this tester is shipped fully tested and calibrated. With proper use, it will provide years of reliable service, making it an essential tool for electrical maintenance and installation tasks.
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