PFTL101A-2.0kN 3BSE004172R1 Pillow Block Type Load Cell

Product number: 3BSE004172R1. External dimensions: 30cm×20cm×20cm. Net weight: 10kg. Gross weight: 10.5kg. Functional features High-precision measurement: It can provide accurate and reliable results for weight measurement applications, and is suitable for occasions with high precision requirements. Sturdy and durable: It adopts a durable structure, can withstand harsh environments and frequent use, and ensures long-term stable performance. Easy to install and use: Both experienced professionals and beginners can easily install and operate it. Application fields: It is widely used in occasions that require precise weighing, such as industrial fields like power plants, mines, steel mills, paper mills, etc., and can also be used in laboratories and research facilities, etc.

The working principle of ABB PFTL101A - 2.0kN 3BSE004172R1 as a pillow block type load cell is as follows: Deformation of the elastic body under force: The core component of this load cell is an elastic body. When an object is placed on the sensor, the gravity of the object will act on the elastic body in the form of pressure. After the elastic body is subjected to this pressure (2.0kN is its rated load), it will undergo elastic deformation. This deformation is within the elastic limit, which means that when the external force is removed, the elastic body can return to its original shape. Strain gauge sensing strain: Strain gauges are pasted on the surface of the elastic body. Strain gauges are sensitive elements made of metal or semiconductor materials. When the elastic body deforms, the strain gauges pasted on its surface will also deform accordingly. The resistance value of the strain gauge will change due to this deformation (tension or compression), which is the strain effect. Specifically, when the elastic body is stretched, the resistance value of the strain gauge increases; when the elastic body is compressed, the resistance value of the strain gauge decreases. Signal conversion by the Wheatstone bridge: Usually, the strain gauges are arranged in the form of a Wheatstone bridge. When there is no external force acting, the bridge is in a balanced state, and the output voltage is zero. After the elastic body deforms under force and causes the resistance value of the strain gauge to change, the balance of the bridge is broken, resulting in a voltage output signal that is proportional to the magnitude of the applied pressure. This output signal is very weak, generally in the millivolt range. Signal amplification and processing: The weak voltage signal output from the Wheatstone bridge will be transmitted to the signal processing circuit inside the sensor. The signal processing circuit will first amplify this weak signal to make it reach a level that can be conveniently processed by subsequent devices. Then, processing such as filtering may also be carried out to remove noise interference in the signal, so as to improve the quality and accuracy of the signal. Output of standard signals: The amplified and processed signal will be converted into a standard electrical signal for output, such as the common 4 - 20mA current signal, 0 - 5V or 0 - 10V voltage signal, etc. These standard signals can be conveniently transmitted to weighing display instruments, PLC (Programmable Logic Controller) or other data acquisition and control systems for further display, recording and control operations.

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