| 摘要 |
PROBLEM TO BE SOLVED: To provide a radiation thermometer which has interchangeability, using an objective of the same and an ocular of the same, even when distance coefficients differ in a target identification mechanism of the radiation thermometer, and even when a target size becomes small, it can readily perform visibility. SOLUTION: In a target identification mechanism of a black dot system which is a finder system of the radiation thermometer, which measures the temperature of an object to be measured, according to the infrared rays radiated from the object to be measured, an index which serves as a mark within a finder field of view was added to the perimeter of the diaphragm aperture of an aperture mirror, when the target is visualized. COPYRIGHT: (C)2008,JPO&INPIT
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