Tension sensors can be classified into strain gauge type and micro-displacement type according to their working principle.
(Tension sensor)
The micro-displacement tension sensor works by applying an external load to the leaf spring, causing it to displace, and then detecting the tension through a differential transformer. Because the displacement of the leaf spring is extremely small, it is called a micro-displacement tension detector.
Most tension sensors adopt a three-wheel structure. To avoid affecting the operation of the cable, the design is robust and compact, resulting in good measurement repeatability, high accuracy, and easy installation, all thanks to the three-wheel design. Furthermore, the mobility of the center wheel facilitates installation and operation.
There are two methods for installing tension sensors. The first is to fix the bearing housing to the base using the bolt holes in the bearing housing mounting bracket. The second method is to fix the bearing housing using an optional mounting plate. During installation, it's important to be aware of factors that can lead to inaccurate tension measurements. When connecting the tension sensor to signal lines, switch terminals, or other low-voltage wires, keep them away from high-voltage wires to prevent electromagnetic interference with tension detection. In practical applications, factors such as output sensitivity, temperature compensation range, zero-point temperature effect, rated load, and limit compliance can also cause inaccurate tension measurements.
1. The screws used to install the tension detector and bearing housing should not be too long. If they are too long, the spring of the tension detector will not work properly and will not be able to detect the tension.
2. The tension detector must never be subjected to strong impacts or vibrations by hand, otherwise it will be damaged.
