I recently tested 46 Diall lamps and wrote a review (ammo1.livejournal.com/987599.html), But almost immediately afterwards range of the brand lamps completely replaced. I bought 19 new lamps and tested them.
In new lamps has changed the packaging, some models now in blisters. A large number of filament lamps, including matte and dimmable. models appeared with two brightness levels - 30/100% (they switch to a conventional switch to change the brightness you need to quickly turn off and turn on the light).
Luminous flux, color temperature and color rendering index are measured using and a two-meter integrating sphere spectrometer Instrument Systems CAS 140 CT, GW Instek GPM-power consumption device 8212, device ripple Uprtek MK350D. The minimum operating voltage at which the luminous flux is not reduced by more than 5% from the nominal, measured with the device Lamptest-1, stabilizer Calm Instab 500 and Latro Suntek TDGC2-0.5. Before the measurements to stabilize the lamp parameters were heated for half an hour.
The cases lamps do not have any names or models of articles, so I quote articles printed on the lamps themselves and barcodes.
All lamps are used good LEDs with a color rendering index CRI (Ra) of greater than 80 (many filament lamps it exceeds 85), which means they can be used in residential areas.
Most pulsation no light bulbs, the two filaments candles ripple less than 3%. Excellent result!
Unlike many Russian manufacturers overstate parameters Diall at all to be honest: the luminous flux Most lamps even slightly above statement, the color temperature is consistent with the stated (at fair 2700K warm lamps).
The equivalent power of an incandescent bulb is specified by European standards. In our reality equivalents significantly higher (when compared to real filament lamps from 220 volts).
Most lamps are working correctly with switches having a light (they have in the column "Off." To "OK"), four models are poorly lit, when such a switch is turned off (set to "burn" in the column "Off."), two models with flash off switch with indicator ( "moment" in the column "Off.").
Although the packaging of lamps and specified operating voltage range of 220-240 V, most lamps can be operated with a substantial decrease in voltage on the network, without compromising brightness. The minimum voltage for each lamp indicated in the table.
Let me draw your attention to some interesting models. There was a bright lamp 1521 lm in the form of cylinders. It replaces the 130-watt incandescent bulb, and in some cases it may be better than a light pear-similar brightness.
Filament llama switchable brightness (30% and 100%).
Very bright "ball" with the G45 socket E14. At a price of 78 rubles, he gives more than 820 lumens and replace 80-watt incandescent bulb. Today it is the most brilliant "ball" with the warm light of all the lamps, which I tested.
Another extremely bright light in the form of "mirror" R50 lamps gives more than 820 lumens and an imaginary substitute incandescent bulb 90 W (actually normal "SLR" R50 is not more powerful than 60 W).
Relatively inexpensive matte filament "candle" with the support of dimming (dimming). It is quite bright (630 lumens, the equivalent of 65 W) has a high color rendering index CRI (Ra) = 86.6, low ripple (2.7%), by using a good dimmer brightness can reduce almost to zero. Lamp 15 mm longer than usual due to the plastic insert within which is dimmable driver.
Lamps Diall excellent - cheap, in good performance, without pulsation, with good color rendering. Now they are probably the best in the Russian market in terms of price and quality. I recommend them to buy.
Diall it own brand Castorama stores. Unfortunately, it was recently announced that Castorama away from Russia and some other countries, but, apparently, a few months stores will operate. The lamps specified warranty period of 5 years, but most of all, when the shops are closed, about guarantee will be forgotten, however, as far as I know, the percentage of failure at the very Diall lamps little.
The test results of all Diall lamps on Lamptest.ru.
This review was written for Habr.
© 2018 Alex Nadozhin