ITTSB.EU Blog Forum
ITTSB Blog Specific => ITTSB - Small projects by Kiriakos & User reviews => Topic started by: Kiriakos GR on June 24, 2026, 05:45:16 PM
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When ever an LED lamp E27 230V, this fails at home, my mom trying to replace it from the local supermarket, and she always gets scammed.
The non obvious scam this is actual performance of its LED lamp at the delivery of LUX Power.
My Samsung Galaxy G900F this has an excellent light intensity sensor, LUX meter.
Sample No1: Listed at 10W power (estimated performance as 100W) this delivered 75 LUX
Sample No2: Listed at 15W power this delivered 170 LUX
I did set my Mobile phone (digital photometer), 1.5m away from the light source.
In conclusion both LED lamp E27 samples, they were tested under identical conditions.
The one million Euros question, how is possible regular consumers to get protected, by this SCAM?
Unfortunately price alone this cannot be a quality indicator, Super market pricing this seems as cartel or controlled lobby.
LED Light bulb replacement this is at 2.5 Euros as minimum. :P
Sample No2: Listed at 15W, this were measured by my real AC power meter:
14.5W as cold
14.0W after warmup
Approximately 100mA at 235V / 0.6 PF
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LUX meter ... most electricians they do skip owning one.
Your smart phone, uses ams OSRAM sensor.
This is more branded, of what Chinese No-name products, comes with. ;)
LUX meter pricing this scales between 30 Euro and 3000 Euro.
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If HIOKI, this has a normal retail price at their Luxmeter, this released at 2022, then I would had insist making a product review for it.
I did quit doing this sport, of my self to offer best price vs Best quality recommendations, to strangers.
The ones not supporting this website, they do not deserve having my own feedback.
But I do have a recommendation to share, with the group of ITTSB real friends and supporters, due private messaging. ;)