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传统的测量电量和工程量的仪器仪表的指示是采用动圈式。近年来,出现了光柱式指示仪表,这种指示方式与传统的动圈式指示方式相比,具有以下优点:①消除了动圈式指示的惯量,显示速度快,耐震动。②线性好。③刻度可做成纵向、横向、弧形或圆形等种形状。④采用不同的颜色组成不同的段,使指示更为明显、直观。可以在全部刻度内,很方便地报警。⑤造价低廉。它在许多方面已取代了动圈式指示仪表。这种显示方式已成为仪表发展的新趋势。
The traditional instrumentation for measuring power and engineering quantities is moving coil. In recent years, there has been a light bar indicating instrument. Compared with the traditional moving coil indicating method, the indicating method has the following advantages: ① The inertia of the moving coil indication is eliminated, the display speed is fast and the vibration is resistant. ② good linearity. ③ scale can be made of vertical, horizontal, curved or circular shape. ④ using different colors of different segments, so that the instructions are more obvious and intuitive. Can be in full scale, it is easy to alarm. ⑤ low cost. It has replaced the dynamic indicator in many ways. This display has become a new trend of instrument development.