用压电谐振器制作了数字称重传感器，论述了该传感器的机理、结构及性能特点，实验结果表明该传感器具有良好的线性和稳定性，成本较低．。
The production and experiment of the sensor are made. The results show that the sensor is good for linearity and stability. Its production cost is very low.
该装置由电阻应变片式称重传感器、称重数字显示仪表及计算机数据处理软件联合组成。
The instrument is composed of the weigh sensor in form of electric resistance strain gage, weigh digital display instrument and computer data processing software.
所述的称重传感器(5)、驱动数字伺服阀的步进电机以及数字阀(1)上的编码器(10)分别通过信号线路与所述的PLC(7)连接。
A weighing sensor (5), the stepper motor driving the digital servo valve and the coder (10) on the digital valve (1) are respectively connected with the PLC (7) by signal circuits.
所述的称重传感器(5)、驱动数字伺服阀的步进电机以及数字阀(1)上的编码器(10)分别通过信号线路与所述的PLC(7)连接。
A weighing sensor (5), the stepper motor driving the digital servo valve and the coder (10) on the digital valve (1) are respectively connected with the PLC (7) by signal circuits.
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