| 摘要 |
PROBLEM TO BE SOLVED: To provide a measurement probe for spectral analysis capable of improving the environment resistance and safety. SOLUTION: This measurement probe for spectral analysis having an optical fiber connection port provided in a measurement probe body includes an air-tight cover for air-tightly covering the optical fiber connection port, and an air-tight cover internal pressure monitoring valve which is provided in the air-tight cover and opened to the air when the internal pressure in the air-tight cover reaches a designated pressure.
|
