Our offered Product range includes Vacuum Capacitance Manometer, Absolute Capacitance Manometer and Capacitance Manometer.
Setra’s Model 730 is a high accuracy absolute capacitance manometer (also referred to as Capacitance Diaphragm Gauge (CDG)), for measuring low vacuum pressure ranges that are critical to the control of processes in photovoltaic, semiconductor and industrial markets. The 730 utilizes welded, all Inconel® wetted components which provides capability with the most aggressive process media. Its high frequency electronics design is fully RoHS compliant and yields extremely low noise, while maintaining the fast response time required for today’s critical control applications. External noise rejection, fast warm-up, resistance to environmental effects, and long term stability are unmatched by competing models. High Performance For Demanding Applications The Model 730 capacitance manometer uses a rigid single electrode variable capacitance sensing element resulting in high over pressure capability and superior long term stability. Its percent of reading accuracy, low hysteresis, and high resolution provides a wide dynamic range, making the 730 an ideal fit for measuring and controlling critical manufacturing processes.
The Model 761 is Setra’s low cost absolute capacitance manometer designed for semi-conductor, petrochemical, pharmaceuticalprocess and industrial vacuum markets. The 761’s new high frequency electronics design is fully RoHS compliant and yields extremely low noise, while maintaining the fast response time required for today’s critical control applications. External noise rejection, fast warm up, resistance to environmental effects, and quick return to zero are unmatched by competing models costing twice as much.
Setra’s VactronTM Model 760 capacitance manometer is an absolute pressure transducer designed for accurate and repeatable vacuum measurements. Various full scale ranges are available from 10 Torr up to 1000 Torr. The units of measurement may be specified in Torr, mBarhPa, or kPa. The Model 760 operates from a ±15 VDC power supply and provides a 0-10 VDC or 0-5 VDC signal output that is linear with pressure and independent of gas composition. The electrical connection can be either the industry standard 15 pin D-sub or 6 position terminal strip connector. Setra’s VactronTM Sensor The high accuracy VactronTM pressure sensor in the Model 760 is Setra’s patented variable capacitance technology. 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. Excellent zero stability and barometric insensitivity are achieved through an innovative sensor design.