L-com electrical components Germany L-com model L-com price

L-com electrical component is a pyroelectric infrared sensor, a device composed of thermocouples. It is widely used as a temperature detection device in fields such as ear thermometers, radiation thermometers, electric ovens, and food temperature testing. The entry details the basic unit of a thermopile—the thermocouple; and provides a detailed introduction to the structure, working principle, main parameters, and applications of thermopiles.

L-com electrical component characteristics

Sensitivity refers to the ratio of the change in output to the change in input under steady-state operating conditions of a sensor. It is the slope of the output-input characteristic curve. If there is a linear relationship between the sensor's output and input, then the sensitivity S is a constant. Otherwise, it will vary with changes in the input. The dimension of sensitivity is the ratio of the dimensions of the output and input quantities. When the dimensions of the sensor's output and input quantities are the same, sensitivity can be understood as the amplification factor. Increasing sensitivity yields higher measurement accuracy. However, the higher the sensitivity, the narrower the measurement range, and stability is often poorer.

L-com electrical component types

1, classification by mounting type: As thermocouples are a primary means of temperature measurement and have wide-ranging applications, there are various requirements for their mounting devices and technical performance. Therefore, thermocouple mounting devices are divided into six types: no mounting device, threaded, fixed flange, movable flange, movable flange angle form, and tapered protection tube. 12, classification by assembly and structural style: Based on performance and structural style, thermocouples can be classified into detachable thermocouples, explosion-proof thermocouples, armored thermocouples, and spring-loaded fixed thermocouples for special applications.

L-com electrical component characteristics

So-called dynamic characteristics refer to the output characteristics of a sensor when the input changes. In practical work, the dynamic characteristics of sensors are often expressed by their response to certain standard input signals. This is because the response to standard input signals is easily obtained through experimental methods, and there is a certain relationship between the response to standard input signals and the response to arbitrary input signals; often, knowing the former allows deduction of the latter. The most commonly used standard input signals are step signals and sinusoidal signals, so the dynamic characteristics of sensors are also commonly expressed by step response and frequency response.

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