A701DA

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A701DA is a kind of dynamic pressure transmitter with wide range of applications. It features anti-interference, remote calibration, and high-precision measurement. It is mainly used for pressure measurement and control in hydraulic and pneumatic systems. It can be used to measure various pressure parameters, including gas, liquid, and pressure in both industrial and civil applications.The A701DA has a unique working principle to ensure the accuracy and stability of the measurement. The pressure transducer converts the physical pressure into electrical signals for single-inductor dynamic pressure measurement. There are two main components of the circuit, one is the transducer head, and the other is the pressure monitoring circuit. The working principle is based on the piezoelectric effect: when the surface of a piezoelectric materials is compressed by an applied force, it will produce corresponding voltage. A701DA is a space-saving design with only one piezoelectric transducer and one capacitor with necessary electronics and filters. The capacitor and transducer produces a signal in the frequency range of about 100kHz-500kHz, with a selectable cut-off to reject noise below the desired detection frequency.The main principle of the A701DA is to gradually calibrate the pressure in a dynamic system. The pressure transducer head is continually supplied with pressure from the system and the voltage reading is adjusted accordingly to ensure the accuracy of the pressure. This is achieved by two main forms of calibration: the first is manual calibration, which involves setting the output range of the signal, and the other is automatic calibration, which is achieved by adding or removing resistors on the output circuit.The A701DA also features an additional feature of remote calibration. This is enabled when the remote sensor is connected to the system in order to automatically adjust the output range of the pressure transducer. This provides further accuracy and stability for the system. The remote sensing technology is very versatile and can be used in various applications such as control and monitoring systems and sensors.The A701DA can also be used for remote pressure monitoring. This involves the use of two pressure transducers, one at a certain level and the other at a remote sensing point. The transmitted pressure signal is monitored and compared with the level of the reference point to ensure accuracy. This reduces the risk of errors caused by system pressure changes and improves the accuracy and performance of a system.There are many applications of the A701DA, ranging from industrial to civil. It can be used for various pressure measurements such as temperature, altitude, and other gasses. In industrial applications, it is used for hydraulic and pneumatic pressure measurement and control. It can also be used in medical and laboratory applications, for pressure measurement and control. It is also widely used for industrial automation and control, to monitor process variables such as pressure, flow, and temperature.Overall, the A701DA is an efficient and versatile dynamic pressure transducer widely used in various applications. Its unique working principle, remote calibration, and anti-interference features make it a high-performance sensor that can provide accurate and reliable measurements for various industrial and civil applications.

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