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Comparison LEDEX A60 12W 4000K E27 vs Tecro TL A60 10W 4000K E27

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LEDEX A60 12W 4000K E27
Tecro TL A60 10W 4000K E27
LEDEX A60 12W 4000K E27Tecro TL A60 10W 4000K E27
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TypelEDlED
BaseE27 (regular)E27 (regular)
Bulbmattematte
Voltage230 В230 В
Consumption12 W10 W
General-purpose bulb120 W80 W
Luminous flux (brightness)1040 lm810 lm
Colour temperature4000 К4000 К
Length115 mm
Diameter60 mm60 mm
Added to E-Catalognovember 2016july 2016

Consumption

The power consumed by the light bulb during normal operation. The lower this indicator, the more economical the model and the cheaper it will cost to operate. In traditional incandescent lamps, the brightness of the glow also depended on the power, however, different types of lamps are presented on the modern market, with different efficiencies. Therefore, it is possible to uniquely link the power consumption and brightness only in lamps of the same type (see above), and to compare different types of models, you need to use the LON analogue (see below).

General-purpose bulb

A parameter that describes the brightness of the lamp compared to a general purpose lamp (LON — a conventional incandescent bulb). Simply put, an analogue of LON is the power of an incandescent lamp, which is equal in brightness to the model in question. For example, a 75W LON analogue means that the lamp glows as brightly as a 75W incandescent lamp.

This parameter appeared for the convenience of evaluating and comparing different types of lamps in terms of brightness. Data on the luminous flux say little to the average user, and it makes no sense at all to evaluate the brightness by power — different types and even different models of lamps of the same type can differ markedly in efficiency. On the other hand, many users are accustomed to dealing with incandescent lamps, and comparison with such a lamp is familiar and understandable to them. In addition, the LON analogue allows you to compare different types of lamps, and it can also be very convenient when replacing incandescent lamps with more economical ones: for example, if 100-watt lamps were used in the chandelier, then the new lamps must have an LON analogue of at least 100 W — otherwise they may be too dim.

Luminous flux (brightness)

The conditional "amount of light" produced by a light bulb in normal mode. The higher the luminous flux, the brighter the light and the more clearly the illuminated scene will be visible. Note that lumen values are used primarily for special purposes; in everyday life, the estimation of brightness by the analogue of LON is more popular (see above), and here the ratio is as follows:

— 40 W analogue LON corresponds to a brightness of 370 lm;
— 60 W — 550 lm;
— 75 W — 800 lm;
— 100 W — 1200 lm;
— 150 W — 1900 lm;
— 200 W — 2700 lm.

Note that the principle "the more the better" in the case of the brightness of light bulbs is not always applicable. And the point here is not only energy consumption: too bright light is harmful to the eyes, leads to rapid fatigue and psychological discomfort.