The basic operation principle and settlement of the key technology of the verification system of the error of indication for grating type of length measuring instrument are described in this paper.
介绍了光栅式长度仪表示值误差检定系统的基本工作原理以及关键技术的解决。
The utility model relates to a pressure gauge for fire extinguisher used in the fire fighting equipment, comprising a casing part, a measuring system, and an indication part.
本实用新型涉及消防设备中的灭火器压力表，由外壳部分、测量系统、指示部分组成。
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