R4HD

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R4HD (Ruggedized, High Delivered) is an LED indication technology that has been designed to meet the demands of the industrial environment. R4HD provides reliable illumination in harsh, corrosive and wet environments and presents bright and visible indication even in the most difficult situations. This technology is widely used in industrial and military applications, such as remote monitoring, machine monitoring, process and safety applications, as well as in hazardous locations. R4HD’s technology is designed to be ruggedized, high delivered and dependable.

R4HD Basics

R4HD LED indications are based on light-emitting diode (LED) technology. LEDs are light-emitting current-controlled semiconductor devices that work on a forward voltage and current. The light is produced when electrons and holes within the LED are brought into contact due to the forward voltage. The wavelength of light produced in an LED is determined by the semiconductor material from which it is made.

R4HD Working Principle

R4HD LED indications work on a simple principle. Electricity passing through a LED causes the LED to emit light in direct proportion to the current passing through it. A LED needs a certain amount of current to allow it to produce the amount of light it needs to provide an indication. This current is known as its operating current. The intensity of the light emitted is controlled by regulating the operating current. In an R4HD system, this operating current is regulated by the use of a current-limiting resistor. This resistor is placed in series with the LED. The resistor limits the amount of current that can flow through the LED, thereby controlling the intensity of the light.

R4HD Application Fields

R4HD LED Indications are mainly used in industrial and military applications, as well as for safety and hazardous locations. These applications can be broadly divided into two categories:

• Signaling: Signaling applications require bright and visible indication of status, such as alarm or alarm offering feedback. These applications typically require the use of multiple R4HD LEDs to provide reliable indication in all environmental conditions.
• High Delivered Illumination: High delivered illumination applications require high level of illumination, such as lighting for remote monitoring or machine monitoring. These applications require the use of a single LED that produces a brighter and more vibrant light.

Benefits of R4HD LED Indications

The primary benefit of R4HD LED indications is their dependability and bright illumination in harsh and wet environments. The ruggedized housing of the LEDs is designed to withstand corrosion, shocks and impacts, while providing visible and intense light. Furthermore, R4HD indicates have a wider operating temperature range and can operate in temperatures ranging from -40 to +60 ˚C. Lastly, LEDs have low energy consumption, which makes them an environmentally friendly solution.

Conclusion

R4HD LED indications are a robust and dependable technology for applications requiring bright illumination in hostile and wet conditions. This technology can be used for a broad range of applications, from signaling applications to high delivered illumination applications. Furthermore, R4HD LEDs are environmentally friendly and have a wide operating temperature range, making them an ideal solution for industrial and military applications.

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