Just Normlicht electrical components Germany Just Normlicht model Just Normlicht price

Just Normlicht electrical components are detection devices that can sense measured information and convert the sensed information into electrical signals or other required forms of output according to certain rules, to meet the requirements for information transmission, processing, storage, display, recording, and control. The existence and development of sensors give objects senses such as touch, taste, and smell, bringing objects to life; sensors are an extension of human senses. Sensors feature miniaturization, digitization, intelligence, multifunctionality, systematization, and networking. They are the primary link in achieving automatic detection and automatic control. A device or apparatus that can sense a specified measured quantity and convert it into a usable signal according to a certain rule (mathematical function law), usually composed of a sensitive element and a conversion element.

Just Normlicht electrical component principle

Potentiometric displacement sensor, which converts mechanical displacement into resistance or voltage output linearly or according to any functional relationship via a potentiometer element. Ordinary linear potentiometers and circular potentiometers can be used as linear displacement and angular displacement sensors, respectively. However, potentiometers designed for displacement measurement require a definite relationship between displacement change and resistance change. The movable wiper of the potentiometric displacement sensor is connected to the measured object. The displacement of the object causes a resistance change at the moving end of the potentiometer. The magnitude of the resistance change reflects the magnitude of the displacement, while the increase or decrease in resistance indicates the direction of displacement. Usually, a power supply voltage is applied to the potentiometer to convert the resistance change into a voltage output. Due to the stepwise change in resistance based on turn resistance when the wiper moves, the output characteristic of wire-wound potentiometers is also stepped. If this type of displacement sensor is used as a displacement feedback element in a servo system, excessive step voltage may cause system oscillation. Therefore, the resistance value per turn should be minimized during potentiometer manufacturing. Another major disadvantage of potentiometric sensors is their susceptibility to wear. Their advantages include simple structure, large output signal, ease of use, and low price.

Just Normlicht electrical component types

1. Classification by mounting type: Thermocouples are widely used as the main temperature measurement method, so there are various requirements for mounting devices and technical performance. Therefore, thermocouple mounting devices are divided into six types: without mounting device, threaded, fixed flange, movable flange, movable flange angle form, and tapered protection tube. 2. Classification by assembly and structural method: According to the performance and structural method, thermocouples can be divided into detachable thermocouples, explosion-proof thermocouples, armored thermocouples, and spring-loaded fixed thermocouples for special purposes.

Just Normlicht electrical component classification

For most conductors, at a certain temperature, their resistance remains almost constant at a fixed value; this type of resistance is called linear resistance. For some materials, the resistance changes significantly with current (or voltage), and their volt-ampere characteristic is a curve; this type of resistance is called nonlinear resistance. For a nonlinear resistor under a given voltage (or current), the ratio of voltage to current is the static resistance at that operating point, and the slope of the volt-ampere characteristic curve is the dynamic resistance. The expression of nonlinear resistance characteristics is complex, but these nonlinear relationships are widely applied in electronic circuits.

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