| 摘要 |
PROBLEM TO BE SOLVED: To make it possible to accurately adjust an optical axis of a beam type sensor even without always having a tester or a dedicated apparatus.SOLUTION: A function capable of wirelessly connecting to a multifunctional portable terminal such as a smart phone and a tablet terminal may be built in or externally attached to an optical receiver of the beam type sensor so that an output value of a received light quantity output part of the optical receiver may be confirmed by a specific multifunctional portable terminal. |
