指针式仪表

The dial shall be made of copper aluminum alloy, inalterable black numerals and graduation on white background. The manufacture of same will be to applicable standards.

仪表刻度盘应为机械指针式，应选用铜铝合金材质，底为白，标数字和刻度为黑（不褪），刻度分配应采用厂家标准。