型号760

Setra的760型电容压力计是一种绝对压力传感器，设计用于精确和可重复的真空测量。各种全量程范围可从10托到1000托。测量单位可以指定为Torr, mBar/hPa, kPa或PSIA。760型从+/- 15 VDC电源运行，并提供0-10 VDC或0-5 VDC信号输出，与压力成线性关系，与气体成分无关。电气连接可以是工业标准的15针d接头或6位端子条形连接器。优越的EMI/RFI性能是通过使用金属外壳，结合喘振和ESD抑制组件和输入和输出的RFI滤波实现的。760型有一个集成滑动盖，提供方便的多匝电位器，用于精细的零点和跨度调整。铬镍铁合金用于所有潮湿的材料，允许760型与腐蚀性气体一起使用。可提供各种压力和真空连接件。在760型中使用的高精度压力传感元件是VactronTM传感器，该传感器是由Setra的专利可变电容传感器发展而来。 A centrally located feed-through assembly supports a circular electrode in close proximity to the back surface of the diaphragm. Together the electrode and diaphragm form a variable capacitor within a small reference vacuum chamber maintained at very low pressure. As the pressure increases, the diaphragm deflects and the gap between the electrode and diaphragm decreases, causing an increase in the capacitance. This change in capacitance is detected and converted to a highly accurate linear DC electronic signal by Setra's unique custom integrated circuit, which utilizes a patented charge balance principle.