Setra Corporation High Precision Pressure Sensor AccuSense Model ASM
Setra Corporation High-Precision Pressure Sensor AccuSense Model ASM
The model ASM measures gauge pressure, absolute pressure, and negative pressure with high precision of ±0.05% FS. It has excellent temperature characteristics and achieves high stability over the long term.
The highest precision pressure sensor ASM series from Setra Corporation enables accurate measurements of gauge pressure, absolute pressure, and negative pressure for gases and liquids suitable for a 630 stainless steel pressure port, with an accuracy of ±0.05% FS. The patented sensor structure employs a resonant variable capacitance method, achieving excellent linearity and long-term stability. It has a wide temperature range, and errors due to temperature effects are meticulously compensated and minimized. The diaphragm features an overpressure stop protection mechanism, providing a safe design against unintended rapid pressure increases. The unique high-level sensor output signal is characterized by excellent stability, accuracy, low output noise, and fast dynamic response, making it suitable for many industrial applications, laboratory measurements, and control purposes. This model is manufactured by combining Setra's proprietary electronic circuit with a robust integrated silicon resonant capacitive sensor. The central part of the pressure port has a diaphragm structure, with an insulated electrode plate fixed at the center of the diaphragm, creating variable capacitance. Changes in pressure alter the minute gap between the insulated electrode and the diaphragm, resulting in changes in capacitance, which are detected and converted into a linear DC signal by the electronic circuit.
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basic information
The ASM series from Setra enables accurate measurement of gauge pressure, absolute pressure, and negative pressure for gases and liquids suitable for 630 stainless steel pressure ports, with an accuracy of ±0.05% FS. The patented sensor structure employs a resonant variable capacitance method, achieving excellent linearity and long-term stability. It has a wide temperature range, and errors due to temperature effects are meticulously compensated and minimized. The diaphragm features an overpressure stop protection mechanism, ensuring a safe design against unintended rapid pressure increases. The unique high-level sensor output signal is characterized by excellent stability, accuracy, low output noise, and fast dynamic response, making it suitable for many industrial applications, laboratory measurements, and control purposes. This model is manufactured by combining Setra's proprietary electronic circuitry with a robust integrated silicon resonant capacitive sensor. The center of the pressure port has a diaphragm structure, with an insulated electrode plate fixed at the center of the diaphragm to create variable capacitance. Changes in pressure alter the minute gap between the insulated electrode and the diaphragm, resulting in a change in capacitance, which is detected and converted into a linear DC signal by the electronic circuitry.
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Applications/Examples of results
<Features and Applications> ■ Made of durable integrated stainless steel 630 ■ High-precision measurement of gauge pressure, absolute pressure, and negative pressure ±0.05% FS ■ Wide range of pressure measurements from 0 to -100 kPa and up to 7 MPa ■ High precision and stability with excellent temperature characteristics ■ Low output noise and fast response ■ Easy calibration ■ Measurement and testing in various research and experiments ■ Vacuum measurement systems ■ Aerospace industry ■ Dynamometers ■ Engine test stands ■ Accurate pressure control management
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Company information
Air Water Mechatronics Co., Ltd. ST Division handles excellent measurement/control equipment focused on the most important themes of pressure and flow in the field of measurement and control in the industrial sector. In pressure measurement, as the Japanese distributor for Setra Systems, we have supplied numerous pressure sensors domestically for many years. Setra's pressure sensors are characterized by high precision and sensitivity, and are used in many advanced technologies, including semiconductor manufacturing equipment. Additionally, to accommodate various industrial pressure measurement scenarios, we also handle products from companies such as BD and Honeywell. We manufacture digital pressure gauges that incorporate or externally attach these pressure sensors. Within our company, various pressure standards with traceability to national standards are installed in a strictly air-conditioned calibration inspection room, allowing us to conduct inspections and recalibrations in-house. Regarding flow measurement, we offer unique and high-value-added products for both liquid and gas (mass flow). For liquids, we primarily provide small, cost-effective, and highly accurate turbine flow meters, as well as Coriolis flow meters. We respond to diverse needs with disposable sensors for pharmaceutical and medical manufacturing, as well as certified sensors for food and beverage applications.