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 [...]
High colour rendering index bulbs
High Colour Rendering Index bulbs The colour rendering index (CRI or Ra for short) determines the fidelity of colour perception to the human eye. It evaluates the ability of a bulb or luminaire to display colours compared to normal daylight. The index is given in values from 0 to 100. To give you an idea: At a value of 0, no colour is discernible. On the contrary, [...]
EKO-KOM
EKO-KOM We are happy to be part of one of the largest environmental projects in the Czech Republic: the EKO-KOM. We are actively involved in the operation of the packaging waste sorting and recycling system. Over 880,000 tonnes of packaging waste are sorted and sent for recycling and recovery in the EKO-KOM system every year. Waste sorting is becoming more and more accessible and the quality of this service meets the highest standards in [...]
Lighting up churches
Lighting up churches At the end of 2020, we lit up two Prague landmarks - St. Bartholomew's Church in Kyje and St. George's Church in Hloubětín. New lighting from TESLA Lighting will significantly reduce energy costs. A total of 13 original discharge lights (6 at St. Bartholomew's Church and 7 at St. George's Church) with a power of 500 W were [...]
Celebrating 100 years
Celebrating 100 years A short history Everything was born 100 years ago. In 1921, a company called Elektra entered the Czech market and after a few years became part of the Philips Group. The production ranged from light bulbs, to tubes, radio receivers to radio and television transmitters. In 1946, the company changed its name, in addition to [...]
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