TESLAbikář 8th part lifetime and switching cycle of LED bulbs
TESLAbikář or how to choose the right LED bulb Part 8 Lifetime and switching cycle of LED bulbs Long lifetime is one of the biggest advantages often presented in connection with LED bulbs. So what is their lifespan? For conventional bulbs, a lifetime of 1000-2000 hours of illumination is generally claimed. While the average value for an LED bulb for home [...]
TESLAbikář Part 7 CRI or Colour rendering of LED bulbs
TESLAbikář or how to choose the right LED bulb 7.díl CRI or colour rendering index of LED bulbs We have already written about the effect of temperature, or colour of light on the human body. And now, as far as colours are concerned, we will continue with CRI values. The CRI (Color Rendering Index), or Color Rendering Index, evaluates the fidelity of color perception when illuminated by an artificial source [...]
TESLAbikář 6. part beam angle of LED bulbs
TESLAbikář or how to choose the right LED bulb Part 6 LED bulb angle of light This is the angle at which the light shines into the space and is thus sufficiently intense. Classic bulbs had a fixed angle - simply 360°. But modern LED bulbs from TESLA lighting can be manufactured with different beam angles (25°, 38°, 100°, 180°, 220° [...]
TESLAbikář Part 5 Chromaticity temperature or colour temperature of LED bulbs
TESLAbikář or how to choose the right LED bulb Part 5 Chromaticity temperature or colour temperature of LED bulbs We know the sockets, we know the shapes, we know the wattage, we know the luminous intensity. Another selectable variable of LED bulbs is the colour - the colour temperature, given in Kelvin (K), because we encounter different shades of light with different sources. IS WHITE REALLY JUST WHITE? If we forget [...]
TESLAbikář 4. part luminous flux or luminous intensity of LED bulbs
TESLAbikář or how to choose the right LED bulb 4. part luminous flux or luminous intensity of LED bulbs The luminous intensity of conventional bulbs was determined by their wattage (W). Today, with modern LED technology, however, we cannot tell how much an LED bulb will shine by its wattage (W). Because different light sources have different luminous intensities at the same wattage. What is LUMEN? [...]
TESLAbikář 3. part power consumption of LED bulbs
TESLAbikář or how to choose the right LED bulb Part 3 LED bulb wattage The wattage tells us how much electricity the LED bulb consumes, i.e. how much it will cost us to light up. It gives us the instantaneous power consumption of an LED bulb in units of watts (W). We express the hour of operation of an LED bulb in watt-hours (Wh) or kilowatt-hours (kWh). Let's show this with the example of [...]
TESLAbikář Part 2 LED bulb shapes
TESLAbikář or how to choose the right LED bulb Part 2 LED bulb shapes Currently, when choosing a common home lighting with an E27 or E14 base and a working voltage of 230 V, we can encounter a wide range of LED bulb shapes. Of course, this goes hand in hand with the wide range of luminaires themselves. Not every luminaire can accommodate a bulb [...]
TESLAbikář 1. part LED bulb socket
Thanks to their invisibility and non-relocatability, real estate has always been a natural subject of tax 1.LED BULB TESLAbikář or how to choose the right LED bulb 1.LED bulb socket part Generally, we can encounter terms such as socket, thread, counter, socket, etc. We will use the uniform term socket. So what is it? A socket is what holds the LED bulb to the [...]
TESLAbikář or how to choose the right LED bulb
TESLAbikář or how to choose the right LED bulb Let's admit that nowadays we take light for granted. We don't have to wander around at home or outside in the dark and we enjoy the opportunity to see and be seen, practically without limitations. Thanks to light, we can extend our day to suit our individual needs. If we forget that light is [...]
Energy labels in the new
Energy labels have a new look You may have noticed in the store or online that when you buy light fittings and most appliances, you see more often the letters B or C next to the energy class. As of this year, there are new rules for energy labels. For example, the A++ class is a thing of the past. For greater clarity and in view of the constant technological developments, the European Union has announced an update of the energy labels for most appliances on 1 March 2021. The [...]
English 
Czech