该计利用射线透射原理设计而成,用于高温绝缘材料膨体石墨板在线生产控制。在对石墨板面密度值进行在线测量的基础上,根据生产工艺要求在设定控制范围内提供回控手段。仪表采用电路设计技巧,进行分段补偿,在测量范围内实现线性刻度,使面密 The meter is designed using the principle of radiation transmission, for the production of high-temperature insulation expanded graphite sheet online production control. On the basis of on-line measurement of graphite plate surface density, according to the requirements of the production process, it provides the control measures within the set control range. Instrumentation circuit design techniques, sub-compensation, linear scale in the measurement range, so that the surface density