Metso Field Systems Oy

Arvo Rahikkala

Risto J Heinonen

The invention relates to an optical measuring arrangement for measuring, particularly for liquid or gaseous substances (,). The measuring arrangement comprises at least one measuring head (,) operating on an optical measuring band, and a measuring head holder (,) comprising a hole (,) for fastening and supporting the measuring head (,). In the hole, the holder (,) comprises an end piece (,) through which the measurement is to be made. On the optical band of the measuring head (,), the end piece (,) is substantially transparent. Furthermore, the end piece (,) separates the measuring head from the substance (,) to be measured disposed in the measuring area (,).

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Kajanni, Finland

Arvo Rahikkala