LED Module 70 - Hellanor

and impact resistant components that allcontribute towards outstanding reliability.Compared to incandescent lighting, wherea filament inside a bulb may break at anymoment, Hella marine LED lighting is ‘fit andforget’.Many LED lamp manufacturers claimoperating lifetimes of 50,000 or 100,000hours, however in many cases these claimsare generalized. The high power LED devicesare often too new to have been thoroughlytested for such periods. These lifetimeestimates are often based on LED componentspecifications from the device manufacturerrather than the life of the complete lamp in amarine installation.Colour temperature examples1800K 4000K 5500K 8000K 12000K 16000K1850 K Candle2800 K Halogen G4 Bulb (Incandescent lamp)3000 K Hella marine Warm White LED Downlight5000 K Hella marine White LED Downlight5200 K Hella marine White EuroLED ® lamp6500 K Hella marine LED Mega Beam Floodlight6500 K DaylightIn the harsh marine environment, salt aircorrosion to circuit boards, light degradationdue to excessive heat, vibration fatigue,shock loads, voltage fluctuations and lowbattery voltages all contribute to reduce theoperating life of LED lamps without thoroughengineering and electronic protection. Thesupplier’s warranty policy, integrity and trackrecord is often a more accurate benchmark onthe lifetime and quality of the LED lamp underconsideration.Colour Temperature and RenderingUntil recently, the lack of high quality whiteLED devices with sufficient intensity has beenthe major factor preventing the acceptanceof LEDs for general marine lighting purposes.LEDs had a reputation for appearing ‘cold’and ‘blue’ due to there phosphorous coatingheritage. However today’s high efficacydevices can rival traditional incandescent lightsources for colour and ambience.When selecting LED interior lighting, colourtemperature is an important consideration.Colour temperature is measured in Kelvin anddescribes the effect of heating an object untilit glows incandescently. The emitted radiation,and apparent colour changes in proportion tothe temperature; envisioned when consideringhot metal in a forge that glows red, thenorange, and then white as the temperatureincreases.White lightHella marine describes higher colourtemperatures (>5200K or more) as ‘cool’white, and lower colour temperatures (