基于HART协议的高精度单晶硅压力变送器

微电子机械加工系统技术的日趋成熟为传感器行业带来一场新的革命。具有高稳定性的单晶硅传感器在压力测量方面运用,打开了压力变送器的中高端市场。单晶硅压力传感器检测外界压力,电子电路采集与压力成对应关系的电压信号,软件温度补偿及线性校正,并将将压力转变成4~20mA电流信号输出,基于HART协议通信,实现参数修改及过程控制。单晶硅压力变送器的高精度、高稳定性、低温度影响、超高过压等优异性能,适用于工业过程控制、自动化制造、航天航空、汽车与船舶、医疗卫生等众多领域。

The use of single crystal silicon sensors with high stability in pressure measurement opens the mid-to high-end market for pressure transmitters.The monocrystalline silicon pressure sensor detects the external pressure,the electronic circuit collects the voltage signal corresponding to the pressure,software temperature compensation and linear correction,and converts the pressure into a 4~20 mA current signal output,based on HART protocol communication,to achieve parameter modification and Process control.The high-precision,high stability,low temperature influence,ultra-high overpressure and other excellent performances of single-crystal silicon pressure transmitters are suitable for many fields.