Research on Precision Liquid Microflow Control Device and Experimental Verification Technology
In order to solve the problem that the micro flow of liquid is difficult to control in medical metrology,which leads to the difficulty of quantity tracing,a precision liquid microflow control device is developed in this pa-per.Firstly,according to the physical principle and hardware control method of liquid flow control,the accurate control of liquid flow is realized.Then,the quality method is used to control the flow indication error and cumulative volume error within 0.2％in the flow range of(0～1000)mL/h,and it is used as a standard device to carry out verification,calibration,testing and performance evaluation of liquid microflow equipment.
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