四方位倾斜角指示报警仪哈尔滨自动化仪表研究所研制成功的ＳＱＢ－Ⅰ型电子式四方位倾斜角指示报警仪是一种安全保护的仪表。它由工作探头、仪表的报警箱和水平度显示器组成。用于放置在一些大型的动力机械上，例如：大型塔吊、汽车吊、火车吊以及其它一些高空作业车上。... Four-way tilt angle indicating alarm Harbin Institute of Automation Instrumentation developed SQB-Ⅰ-type electronic four-way tilt angle indicating alarm is a safety protection instrument. It consists of a working probe, a meter alarm box and a level display. For placement on some large power machinery, such as large tower cranes, truck cranes, train cranes, and other aerial vehicles. ...