| 摘要 |
<p>In this photometer head for immersion in liquid media, at least one light transmitter (2) and a light receiver (3) are arranged in a mounting (1) which has supports (6) for a mirror holder (7). The mirror holder carries at least two mirrors (8) which are tilted with respect to one another and are arranged at a distance from the associated light transmitter or light receiver. The supports, the mirror holder and the mounting bound the open space (5) into which a channel (4) opens, and the mirror holder is provided with an opening (9) which is opposite the channel (4). <IMAGE></p> |
