| 摘要 |
<p>A radiation pyrometer free from lowered measurement accuracy or an unsanitary state otherwise caused by the contamination of the tip of its probe, and enabling an extra running cost due to the use of, as well as the trouble of procuring, a probe cover to be saved. To achieve this purpose, for waterproofing of the gap between a radiation pyrometer probe (5) and an optical guide (7), a holding member (19) for holding window members and packings (20, 21) are used. The holding member (19) is fitted on the periphery of the optical guide (7).</p> |
