Supplementary Scale Indicator - Up and Down Indicator
The height of the water line is easily visible at a glance.
■No need for complicated subtraction calculations Simply attach it to the surveying rod, and you can easily read the height of the water line. The position of the water line = height from the reference value (±) This eliminates the need for complicated subtraction calculations between the reference value and the reading. ■Just attach it to the surveying rod It can be used by attaching it to commercially available surveying rods.
- 企業：アイデア・サポート
- 価格：Less than 10,000 yen
