LEVEL

摘要

PURPOSE: A level is provided to easily control vertical and horizontal errors by comprising a control knob on a measurement indication system. CONSTITUTION: A level comprises a hollow body(101) and a measuring member(110). The measuring member is installed to measure a verticality and horizontality when liquid containing bubbles in the hollow body is sealed in a glass tube in which scales are marked. The measuring member comprises a power supply unit(10) and a measuring device(30). The power supply unit is assemble-installed in a side end part of the hollow body. The measuring device is electrically connected to the power supply unit and insert-installed inside of the body to vertically and horizontally measure.