| 摘要 |
PROBLEM TO BE SOLVED: To provide a technique relating to a staff gage for visually recognizing and observing a staff gage surface from a shore close to a staff gage installation position.SOLUTION: A staff gage base 10 includes a cylinder 1 installed while erecting a longitudinal direction, and a side unit of the cylinder 1 includes a base fixed face plate 2, namely a face for fixing the staff gage base 10 to a substrate B, and a free face plate 31 for mounting the staff gage R1. The cylinder 1 includes some sort of water passage structure for passing water in the inside and outside. Also, a storage unit 4 for storing a tool is provided within the cylinder 1. Thus, measurement by the staff gage and that by meters and gages can be performed at the same measurement place. |
