Why does energy saving light bulb 20W appear much darker than a light bulb of 100W ?
Energy saving light bulb 20W is 1200lm, and the light power of a 100W bulb is 1380 lm. From it you can see that the energy saving light bulb 20W with in light power would be approximately equivalent to a “87W light bulb”. As bulbs of this performance level are not available on the market, it was decided to select for the pictogram on the outer packaging the nearest possible comparable output level in light power of conventional bulbs. This enables the customer to assess this product. It is to be observed that energy saving light bulbs will require 2 minutes burn-in time after having been turned on until the full light power is attained. Upon turning on, the light power amounts to approximately 40%. It must also be taken into consideration that the energy saving light bulb is a compact fluorescent lamp which has totally different deflection properties (i.e., distribution of light strength and light colour) if compared to a light bulb. You may, of course, if you wish to receive more ligh
