ELM 4-690

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The ELM 4-690 is a low profile LED sight light used for aircraft navigation, providing a well-defined tight beam for navigation in night and winter months. It can be a navigational light for private and commercial aircraft, and a warning light for air traffic control towers. This LED sight light is designed for high-altitude performance, providing a stable beam of intense white light, both from a 500-meter distance and from the ground. Additionally, its wide angle of coverage allows it to be used to determine the direction of travel, making it an ideal solution for small aircraft.

The ELM 4-690 is capable of producing a 465 nm wavelength, a 160° beam angle and an intensity of 400,000 candelas. This combination of features makes the ELM 4-690 one of the most powerful and efficient LED sight lights on the market. Additionally, its durable housings are thermally isolated to prevent overheating and maintain consistent performance.

The ELM 4-690 features a patented design that allows it to be used in both daytime and nighttime applications. During the day, LEDs in the sight light are positioned in an upward facing position, forming a divergent array, which produces an intense direct beam of light. At night, the LEDs face downward and form a convergent array, which creates a smooth and uniform beam of light, without the undesirable effects of hotspotting.

The ELM 4-690 sight light uses a variety of components to maintain its performance and reliability. This includes specialized LEDs, optical lenses, spacers, and standoffs. The LEDs are specifically designed for use in high-altitude applications and have high efficiency. This allows for brighter and more efficient light output. The optical elements, which include lenses and reflectors, help to concentrate the beam of light into its desired pattern. Additionally, the spacers and standoffs act as support structures, enabling the LEDs to be spaced out properly and prevents overheating.

In addition to its navigation and warning capabilities, the ELM 4-690 has several unique features. Its unique housing design ensures compliance with the various aircraft industry standards, while providing protection from the elements. Additionally, its robust construction makes it an ideal solution for shock and vibration. Finally, it features an adjustable beam spread, allowing the user to adjust the pattern of the beam for specific applications.

The ELM 4-690 provides an ideal solution for aircraft navigation and warning, providing a well-defined beam of light from a 500-meter distance both from the ground and from the sky. Its combination of specialized LEDs, optical elements, spacers, and standoffs make it a powerful and efficient LED sight light, allowing it to be used in a variety of applications. Additionally, its unique housing, robust construction, and adjustable beam spread make it an ideal solution for aircraft navigation and warning.

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