NPA-700M-015A

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Pressure sensors, Transducers play a wide range of roles in modern engineering applications. They can be used to measure various types of physical pressure, such as strain, temperature, and force. A pressure transducer is a device that converts a physical pressure into a precisely measurable electrical signal. NPA-700M-015A is a type of pressure transducer designed for use in a wide range of industrial and commercial applications. This article will discuss the specific application fields and working principles of the instrument.

NPA-700M-015A is an electronic pressure transducer specifically designed for measuring and monitoring the pressure of fluids. The device is suitable for measuring static, dynamic, and sudden pressure changes in water, oil, gas, and other media. The sensor is made of stainless steel and is fitted with a rugged protective tube for improved stability. It has a range of 0 to 15 PSI with an accuracy of ±2.5% FS. The signal output is 1.5mA and the current load is not greater than 5mA.

The sensor can be used to measure pressure of gas, oil, and water. It is typically used in industrial and commercial applications. For example, it may be used to monitor the pressure of an air or oil-filled hydraulic system, measure the pressure of an engine, monitor the water pressure in a water supply line, measure the pressure of a hydraulic pump, or measure the static pressure in a tank. It can also be used to monitor ambient pressure in an enclosed space. In these applications, the pressure can be monitored in real time, allowing operators to adjust the system accordingly and avoid potential problems.

The working principle of NPA-700M-015A pressure transducer is based on the Wheatstone bridge principle. In this principle, a Wheatstone bridge is constructed with four resistive elements — two active and two balanced resistors. When a pressure is applied to one side of the bridge, the resistance of that active resistor changes, causing an imbalance in the bridge. This imbalance is then converted to a voltage output, which is used to measure the pressure applied to the bridge. In the case of the NPA-700M-015A transducer, the Wheatstone bridge is constructed with a stainless steel diaphragm, an internal ceramic pressure-sensing element, and two resistive elements.

The diaphragm is connected to the pressure-sensing element and acts as a flexible membrane. When pressure is applied to this membrane, it flexes and deforms according to the applied pressure. This deformation causes the resistance of the internal ceramic pressure-sensing element to change. This change in resistance is then detected by the Wheatstone bridge, which generates a voltage output that is proportional to the pressure. The voltage output is then amplified and sent to the sampling circuit, where it is converted into a usable signal.

In conclusion, the NPA-700M-015A is a pressure transducer designed for measuring and monitoring the pressure of fluids. It has a range of 0 to 15 PSI with an accuracy of ±2.5% FS. Its working principle is based on the Wheatstone bridge principle, in which a deformation of the diaphragm element causes a change in the resistance of the internal pressure-sensing element. This change is then detected by the bridge and converted into a voltage output, which is then amplified and sent to the sampling circuit.

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