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What do you know about the technical details of the flashlight?

What do you know about the technical details of the flashlight?

Sep 07, 2021, 00:00:00
1431

Waterproof


IPX waterproof rating of LED glare flashlight:

  • IPX-0 no waterproof protection

  • IPX-1 equipment under normal operating conditions can provide waterproof protection equivalent to 3-5 mm/min rainfall for 10 minutes.

  • IPX-2 is basically the same level as IPX-1, but it can pass the waterproof test of 15 degrees of tilt in all directions.

  • IPX-3 60-degree splash water-proof protection, providing water-proof protection with a flow rate of 10 liters/sec for 2-5 minutes and a pressure of 80-100n/m.

  • IPX-4 is basically the same as IPX-3, but it can provide all-round and angular splash water protection.

  • IPX-5 Waterproof protection in all directions and angles, providing waterproof protection with a flow rate of 12.5 liters/sec for 2-3 minutes and a pressure of 30n/m.

  • IPX-6 water-proof protection against big waves, it can resist a depth of 3 meters underwater for 2-3 minutes, a flow rate of 100 liters/minute, and a pressure of 100 n/m.

  • IPX-7 can be immersed for 30 minutes under 1 meter of water.

  • IPX-8 is completely waterproof and can be used continuously in the water for a long time. The current IPX8 waterproof rating of the flashlight is the best waterproof protection.


Lumens


Lumen defines lumens, the unit of luminous flux, luminous flux refers to the radiant power that the human eye can feel. A point light source with a luminous intensity of 1 candela (cd) emits "1 lumen" within a unit solid angle (1 steradian). English abbreviation (lm). Luminous flux is the ability to describe the strength of the visual response produced by the radiation of a light source per unit time, the unit is lumens, also called brightness. In other words, the greater the lumens, the more you feel the greater the brightness, on the contrary, the smaller the lumens, the more you feel the lower the brightness.


Many people think that the higher the lumen value, the brighter the flashlight and the farther the light will be. In fact, the distance the flashlight illuminates is not only related to the lumen value, but also has a great relationship with the reflective reflector. It can be said that the quality of the reflective reflector is the decisive factor that determines whether the flashlight can shine, and it is also the determining factor of the brightness of the flashlight spot.


A good reflective reflector can reflect the light in a straight line to a great extent, and the light dispersion is very small, so that the light beam can be irradiated far without divergence, and the light spot is naturally bright.



Beam Distance


Beam Distance is the distance your light can travel and still light up an area. When you add a smooth parabolic reflector to a high Lumen LED lamp you direct much of the light output into a single direction. This can light up objects a great distance away – sometimes a kilometer or more. Naturally this is important for searchlights or other narrow-beam applications.


Candela


Candela is light’s intensity as visible to the human eye in a specific direction. Candela is a direct indicator of Throw, or the effective distance of a directional light such as a flashlight.


Candela is a measurement of light intensity, so would increase accordingly as light is focused in a tighter, more directional beam.Is the abbreviation for luminous intensity. Luminous intensity refers to the luminous flux emitted by a light source in a unit solid angle in a specified direction, that is, the luminous flux density of the light source radiating in a certain direction in space. The light intensity represents the radiation ability of the light source in different directions. In layman's terms, the luminous intensity is the intensity of the light emitted by the light source.




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