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Phase Rotation Meter, 15Hz to 400Hz, 40V to 600V, 130 mm, 69 mm

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Manufacturer Part No:
Order Code:
Also Known As:
GTIN UPC EAN: 793950484005
Technical Datasheet:
480400   Datasheet
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Product Information

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15Hz to 400Hz

40V to 600V








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Technical Docs (1)

CAD Downloads


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Product Overview

The 480400 from Extech Instruments is a phase sequence tester. It has a 40V to 600V rated range for testing phase orientation of 3-phase power sources over a 15Hz to 400Hz frequency range. Multiline graphical LCD indicates phase orientation (clockwise or counter-clockwise) and whether each of the phases is live. No battery is required. This handheld instrument detects the phase sequence of three-phase systems. Colour coded test leads are provided for connecting to three mains phases of system under test. This meter is shipped fully tested and calibrated. With proper use, it will provide years of reliable service.
  • Displays graphical phase orientation
  • Checks phase sequence and phase status
  • Tests up to 600VAC and displays graphical phase orientation on the large LCD
  • Double moulded durable housing, easy to use alligator clips with wide jaws
  • Tests phase orientation of three phase power sources
  • Nominal test current (in per phase) of 1mA and pick-up current of 1mA
  • CE, CAT III-600V approved and IP 40 protection
  • Operating temperature range from 0°C to 40°C (32°F to 104°F)
  • Dimension is 5.1inch x 2.7inch x 1.25inch (130mm x 69mm x 32mm) and weight is 130g


Test & Measurement


480400 sequence tester, Cable, Three large colour coded alligator clips, Pouch case.


In addition, we offer calibration services for this product. Choose from a Standard Certificated Service or an internationally recognised UKAS accredited calibration. Visit our calibration service page for more details.

Also Known As

GTIN UPC EAN: 793950484005
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