7 The advantages at a glance High switching capacity On – Off – On – Off … Contrary to energy-saving and fluorescent lamps, the robust light emitting diode is practically impervious to frequent switching on/off. Thus they are also well-suited for switch intensive operation on motion detectors. Immediate full light output Energy-saving and discharge lamps require a „warm-up time“ of almost a few minutes to reach full brightness. With LEDs, this scenario is a thing of the past because they offer immediate 100 % light output when turned on. Full light output even at low temperatures LEDs also operate extremely efficiently at low temperatures and are, therefore, ideal for use in outside areas or in unheated buildings. For example, while an LED tube continues to emit its full light output at an ambient temperature of 0 °C, a typical fluorescent tube, which is designed for ambient temperatures of 20 °C, only emits 40-60 % of its max. value. Does not attract insects Insect eyes contrary to human eyes are especially sensitive to ultraviolet radiation (UV). While the mercury vapour high pressure lamps frequently used in the past acted like a vacuum cleaner sucking up millions of insects due to its high share of UV, the light emitted by LEDs are very insect-friendly – it contains practically no UV radiation. No additional heat input The light emitted by an LED remains cool – compare that to thermal radiators such as halogen or incandescent light bulb lamps for which a large portion of the energy is output in infrared radiation and thus in heat. The electronics of LEDs due in fact produce heat; however, this is not emitted in the direction of the object being illuminated. Natural colour perception In dairy cattle farming, a high and natural colour rendering is required for the colour differentiation between blood, urine and milk, especially in treatment areas, sick stalls and calving bays. The quality of the colour rendering is expressed in terms of the Ra value. The maximum possible value is 100. A Ra value of > 75 is recommended. Contrary to LEDs, sodium vapour lamps, for example, have a very poor colour rendering (Ra 20-50). Environmentally-friendly and safe operation Due to its high energy efficiency, the CO2 pollution is correspondingly low. Operation is completely safe and disposal can be made via community collection centres because LED lights do not contain any mercury. Naturally, all of our products meet the requirements of Guideline 2002/95/EC regarding limiting the use of certain hazardous substances in electric and electronic devices (RoHS). OFF ON
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