August 12, 2016 at 18:15Feron LED Bulbs
Many readers and visitors to lamptest.ru asked me to test the super-cheap LED Feron lamps, which are sold at retail for 114-149 rubles. I tried to contact Feron several times and asked for samples for testing, but I did not receive a response. And then I just bought 7 lamps, using the money collected through fundraising on the site.
I tried to cover the assortment of lamps as much as possible, so I ordered a couple of “pears”, a couple of “candles”, a G45 bulb, a GU10 spot and a filament candle in the official Feron online store (there were no filament pears on sale).
The lamps that they brought to me were made recently: on all the lamps, except for the filament candle, the date is 06.16, on the candle - 10.15.
I will start with the results of my measurements obtained with Viso LightSpion , UPRtek MR350D and Robiton PM2 .
The main conclusion that can be drawn from the measurement results is that all Feron's lamps are DIFFERENT. For some, the color rendering index is quite decent, for others it is around 75 and they should not be used in living rooms.
I am glad that six of the seven tested lamps have no pulsation of light at all and only one lamp has 27%, which is also within the normal range.
In terms of brightness and power, everything is traditional for cheap brands. Luminous flux and power average 75-80% of the declared. This means that when buying such lamps, you need to take them with a substantial margin in luminous flux. If the lamp says "7 W 560 Lm equivalent to 70 W", you need to clearly understand that in reality it will be 5 W, 450 Lm and from a power of 50 W equivalent.
When they write “5W 530 Lm” on a filament “candle” with four threads, one can be almost sure that the real power there is not higher than 4 W (a standard thread has a nominal power of 1 W), and the luminous flux is not higher than 400 Lm.
In this case, the power turned out to be 3.55 W, and the luminous flux of 350 Lm. This corresponds to the equivalent of a 40-watt incandescent lamp. Surprisingly, the manufacturer indicated exactly this equivalent value - 40 W, while significantly overestimating the luminous flux and power.
The manufacturer indicates a warranty period of 2 years for all lamps.
Should I buy cheap Feron lamps? I have no clear answer to this question.
On the one hand, there are good and very cheap lamps: for example, a “pear” LB-92 costs only 149 rubles, has a decent color rendering index (CRI = 81.5), no light pulsation, works with switches that have an indicator and replaces 60- a watt incandescent lamp (although they promised a 100-watt replacement), and the “bulb” LB-95 for 144 rubles has an even higher CRI = 83.4, it also does not have ripple, it will successfully replace a 40-watt incandescent lamp (promised 70 W) True, with a switch having an indicator, it does not work correctly (it glows slightly when the switch off).
On the other hand, four of the seven tested lamps have a low CRI and it is better not to use them in residential premises. And which lamps are good and which ones you can’t guess right: for example, a good LB-92 and a not very good LB-91 look exactly the same.
It seems that the manufacturer orders the lamps at Chinese factories arbitrarily, without preliminary testing and not particularly paying attention to the parameters, so with such a "lottery" any lamp may turn out to be good or bad. For example, the exact same “ball” G45 with a base E27 rather than E14 may turn out to be low CRI, or maybe high. Lottery.
Even with this approach, there is a danger that lamps with the same names from other batches released earlier may turn out to be completely different.
Buy Feron lamps or not, you decide. But of course, good lamps, replacing 60-watt incandescent lamps, for 149 rubles - this is very, very cheap.
2016, Alexey Nadezhin
I tried to cover the assortment of lamps as much as possible, so I ordered a couple of “pears”, a couple of “candles”, a G45 bulb, a GU10 spot and a filament candle in the official Feron online store (there were no filament pears on sale).
The lamps that they brought to me were made recently: on all the lamps, except for the filament candle, the date is 06.16, on the candle - 10.15.
I will start with the results of my measurements obtained with Viso LightSpion , UPRtek MR350D and Robiton PM2 .
The main conclusion that can be drawn from the measurement results is that all Feron's lamps are DIFFERENT. For some, the color rendering index is quite decent, for others it is around 75 and they should not be used in living rooms.
I am glad that six of the seven tested lamps have no pulsation of light at all and only one lamp has 27%, which is also within the normal range.
In terms of brightness and power, everything is traditional for cheap brands. Luminous flux and power average 75-80% of the declared. This means that when buying such lamps, you need to take them with a substantial margin in luminous flux. If the lamp says "7 W 560 Lm equivalent to 70 W", you need to clearly understand that in reality it will be 5 W, 450 Lm and from a power of 50 W equivalent.
When they write “5W 530 Lm” on a filament “candle” with four threads, one can be almost sure that the real power there is not higher than 4 W (a standard thread has a nominal power of 1 W), and the luminous flux is not higher than 400 Lm.
In this case, the power turned out to be 3.55 W, and the luminous flux of 350 Lm. This corresponds to the equivalent of a 40-watt incandescent lamp. Surprisingly, the manufacturer indicated exactly this equivalent value - 40 W, while significantly overestimating the luminous flux and power.
The manufacturer indicates a warranty period of 2 years for all lamps.
Should I buy cheap Feron lamps? I have no clear answer to this question.
On the one hand, there are good and very cheap lamps: for example, a “pear” LB-92 costs only 149 rubles, has a decent color rendering index (CRI = 81.5), no light pulsation, works with switches that have an indicator and replaces 60- a watt incandescent lamp (although they promised a 100-watt replacement), and the “bulb” LB-95 for 144 rubles has an even higher CRI = 83.4, it also does not have ripple, it will successfully replace a 40-watt incandescent lamp (promised 70 W) True, with a switch having an indicator, it does not work correctly (it glows slightly when the switch off).
On the other hand, four of the seven tested lamps have a low CRI and it is better not to use them in residential premises. And which lamps are good and which ones you can’t guess right: for example, a good LB-92 and a not very good LB-91 look exactly the same.
It seems that the manufacturer orders the lamps at Chinese factories arbitrarily, without preliminary testing and not particularly paying attention to the parameters, so with such a "lottery" any lamp may turn out to be good or bad. For example, the exact same “ball” G45 with a base E27 rather than E14 may turn out to be low CRI, or maybe high. Lottery.
Even with this approach, there is a danger that lamps with the same names from other batches released earlier may turn out to be completely different.
Buy Feron lamps or not, you decide. But of course, good lamps, replacing 60-watt incandescent lamps, for 149 rubles - this is very, very cheap.
2016, Alexey Nadezhin
