中文品名:西格玛表
Is a scale with which you can calculate the effective average pressure of the ships main diesel engine with the indicator card easily and accurately. The addition of P1 + P2 .... P10 on the indicator card can be read more quickly and precisely by simply sliding the transparent 3 slides on the indicator card. The size of the scale plate is 130 x 200 mm. This unit is made of plastic and is light, compact, and easy to handle.
是一种可以方便、准确地用指示卡计算船舶主柴油机有效平均压力的标尺。P1+P2的加法……。只需滑动指示卡上的透明3张幻灯片,即可更快、更准确地读取指示卡上的P10。刻度盘的尺寸为130x200 mm。该设备由塑料制成,重量轻、结构紧凑、操作方便。