Passed the JIS mark display system certification and complies with the standards stipulated in Japanese industrial standards and regulations of the competent authorities.
For precision inspection, JIS mark display, Class A product.
The main bottle has a bubble chamber that can adjust the length of the bubbles.
There is a V-shaped groove at the bottom, which can also be used for cylindrical measurement.
There are non-thermal conductive plates attached to both sides of the main unit.