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  • Certified Product

    • Product

      Display Unit: LCD Monitor "M277D4 (NEC)"

    • Certificate Holder

      Sharp NEC Display Solutions, Ltd.

    • Test Mark Number


    The test includes:

    1. Flicker Free

      TÜV Rheinland has tested this product to ascertain whether the display produces visibly and invisible flicker for the human eye and therefore strains the eye of the user.

      TÜV Rheinland has defined a catalogue of tests, which sets out minimum standards at various frequency ranges. The test catalogue is based on internationally applicable standards or standards common within the industry and exceeds these requirements.

      The product has been tested in the laboratory according to these criteria.

      The keyword "Flicker Free" confirms that the device has no visible and invisible flicker defined in this standard within the range of 0 - 3000 Hz under various brightness settings.


    Product "Display Unit, M277D4 (NEC)" as named in the certificate was tested by TÜV Rheinland Taiwan Ltd. and fulfills the defined requirements.

    Certificate for this Product

    Contact to the certificate holder

    Sharp NEC Display Solutions, Ltd.

    4-28, Mita 1-chome, Minato-ku
    Tokyo 1080073