BRADY electrical components Germany BRADY model BRADY price

BRADY 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 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.

BRADY electrical component parameters

Important aspects of the optical parameters of LED include: luminous flux, luminous efficacy, luminous intensity, light intensity distribution, and wavelength. 1. Luminous efficacy is the ratio of luminous flux to electrical power, with the unit generally being lm/W. Luminous efficacy represents the energy-saving characteristics of a light source, which is an important indicator for measuring the performance of modern light sources. 2.LED Luminous intensity characterizes the strength of light emission in a specific direction. Since the light intensity of LED varies significantly at different spatial angles, we have studied the light intensity distribution characteristics of LED. This parameter has great practical significance, directly affecting the minimum viewing angle of LED display devices. For example, for large color LED displays in stadiums, if the selected LED single-tube distribution range is very narrow, viewers at larger angles relative to the display will see distorted images. Moreover, traffic signal lights also require recognition by people over a wide range. 4. Regarding the spectral characteristics of LED, we mainly examine whether its monochromaticity is excellent, and pay attention to whether the main colors such as red, yellow, blue, green, and white LED are pure. Because in many occasions, such as traffic signal lights, the color requirements are quite strict. However, observations show that some LED signal lights in China emit blue-green for green and deep red for red. From this phenomenon, it is very necessary and meaningful to conduct specialized research on the spectral characteristics of LED.

BRADY electrical component characteristics

Resolution refers to the ability of a sensor to detect the smallest change in the measured quantity. That is, if the input changes slowly from a non-zero value, when the input change does not exceed a certain value, the sensor output will not change, meaning the sensor cannot resolve this change in the input. Only when the input change exceeds the resolution will the output change. Typically, the resolution at various points within the full-scale range of a sensor is not the same. Therefore, the maximum change in the input within the full scale that causes a step change in the output is commonly used as the indicator for measuring resolution. If the above indicator is expressed as a percentage of the full scale, it is called resolution. Resolution has a negative correlation with sensor stability.

BRADY electrical component principle

It is a contactless switching device with relay characteristics that uses semiconductor devices to replace traditional electrical contacts as the switching mechanism. A single-phase solid-state relay is a four-terminal active device, with two input control terminals and two output terminals. There is optical isolation between the input and output. When a DC or pulse signal is applied to the input terminal and reaches a certain current value, the output terminal switches from the off state to the on state. AC solid-state relays are classified by switching method into zero-crossing conduction type and random conduction type; by output switching element into triac output type and anti-parallel SCR output type; and by installation method into pin-type for printed circuit boards and chassis-mounted type fixed on metal baseplates. Solid-state relays can be divided into zero-voltage type and phase-control type based on the triggering method.

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