Mar 14
Led Light Europe presents a led tube light of 150 cm long that emits cold white light. The frosted cover assures and equally bright licht in all directions and the leds are not visible. Pay attention to use a separate power supply unit and do not connect this tube directpy to the 230 V grid voltage.
This article shows the measurement results. Many parameters are also found in the Eulumdat file.
See this overview for a comparison with other light bulbs.
Read more…
Mar 14
Led Light Europe presents a led tube light of 120 cm long that emits cold white light. The frosted cover assures and equally bright licht in all directions and the leds are not visible. Pay attention to use a separate power supply unit and do not connect this tube directpy to the 230 V grid voltage.
This article shows the measurement results. Many parameters are also found in the Eulumdat file.
See this overview for a comparison with other light bulbs.
Read more…
Mar 14
LedItLight presents a led lamp with smd leds on a set of plates soldered together in a tube form. This light bulb emits warm white light.
This article shows the measurement results. Many parameters are also found in the Eulumdat file.
See this overview for a comparison with other light bulbs.
Read more…
Mar 14
LedItLight presents a led lamp with smd leds on a set of plates soldered together in a tube form. This light bulb emits warm white light.
This article shows the measurement results. Many parameters are also found in the Eulumdat file.
See this overview for a comparison with other light bulbs.
Read more…
Mar 10
KLV Ledverlichting presents a led tube light of 60 cm long that emits white light (product code: KLV-T8-061-A).
This article shows the measurement results. Many parameters are also found in the Eulumdat file.
See this overview for a comparison with other light bulbs.
Read more…
Mar 10
Lemnis presents an led light bulb that emits a deep warm white color. Three light bulbs are measured and this articles gives the average results as well as the deviations seen.
This article shows the measurement results. Many parameters are also found in the Eulumdat file.
See this overview for a comparison with other light bulbs.
Read more…
Mar 09
KLV Ledverlichting presents a led tube light of 120 cm long that emits white light (product code: KLV-T8-121-A).
This article shows the measurement results. Many parameters are also found in the Eulumdat file.
See this overview for a comparison with other light bulbs.
Read more…
Mar 08
We see more and more biodegradable packaging material used in the market. The material can be made from modified starch. On of the main advantages of biodegradable packaging material is that is not based on fossil-fuel plastic but instead made of bio material. This bio material degrades in nature. Using biodegradable packaging material instead of plastic based material can reduce a lot of waste. It is claimed to dissolve in water. To test this, we have set up a small test with glass of water and dropped a single biodegradable foam peanut in it. We recorded this on video to see how long it takes to dissolve the foam peanut in water without extra help like spraying water on it or stirring. The result is amazing.
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Mar 06
What is white light? In the OliNo lamp measurement articles a chromaticity diagram is given and the color point of the light of the tested lamp is indicated. The chromaticity diagram contains all possible colors, and which are white?
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Mar 01
Rob Hopkins founder of the Transition movement, reminds us that the oil our world depends on is steadily running out. He proposes a unique solution to this problem — the Transition response, where we prepare ourselves for life without oil and sacrifice our luxuries to build systems and communities that are completely independent of fossil fuels.
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