WT300 Series is blinking LEDs and does not work - why?

It's most likely in Auto Range mode. Since it's continually changing ranges, the front display cycles each time continuously. To fix this, turn Auto Range OFF.

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The WT300 offers high performance and high reliability in a compact package with excellent price value, making it ideal for multiple applications from R&D to manufacturing test. It is the fifth generation of Yokogawa's value series power meter, and the world's best selling power meter.

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WT300E - Economy

  • Up to 3 wattmeters
  • 0.1% of rdg + 0.05% of rng
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