kambario apsvietimo lemputese viskas normaliai susitikrina: yra nurodytas 
lumenu skaicius ir
ji daug/maz atitinka

lumenas - tai sviesos kiekis ir tiek

"nu blyn" <nu@blyn.lt> wrote in message 
news:gujd8s$k0b$1@trimpas.omnitel.net...
> Is serijos, kad nepachiupinejes nepatikrinsi :(
>
> "Ingodas Vytrastas" <ejs@no.where> wrote in message 
> news:gujcs8$j8u$1@trimpas.omnitel.net...
>> nu blyn wrote:
>>> Kiek standartines masinos lempos skleidzia lumenu ? Palyginimui butu 
>>> tarkim pruzikas is dealextremo nusipirkau 180lumenu .... sviechia 
>>> puikiai jis ir nebetoli masinos lempu sviesai, Yra pruziku po 700 
>>> lumenu, kaip isivaizduoti kiek sviechia jie ? Biski brangu pirkti 
>>> neisivaizduojant koks ju galingumas, su kuo palygint ?
>>
>> Beam Peak Intensity Reference Number
>>
>> This marking is found only on ECE/EEC type approved forward lighting 
>> devices that produce a high ("upper", "driving") beam, and expresses the 
>> maximum light intensity in the beam. This marking is NOT an indicator of 
>> lamp performance or quality. It does not indicate where in the beam this 
>> maximum occurs, nor does it imply anything about the shape of the beam. 
>> The marking is a number such as 10, 12.5, 17.5, 20, 25, 27.5, 30, etc. 
>> Maximum authorized total high-beam peak intensity per a vehicle under ECE 
>> regulations is 225,000 candela at 12 Volts, and many countries that 
>> adhere to ECE or EEC regulations use this marking to determine the 
>> lighting legality of vehicles in use. 225,000 candela corresponds to a 
>> peak beam intensity reference number total of 75, so many countries 
>> stipulate that all beam peak intensity reference numbers found on all 
>> devices on a single vehicle must total up to no more than 75.
>>
>> To learn the peak beam candlepower of a lamp with a standard-wattage bulb 
>> operating at 12 Volts, divide the reference number on the lamp by 37.5, 
>> then multiply the result by 112,500. But remember, a lamp with a higher 
>> reference number is not necessarily a better lamp than one with a lower 
>> number.
>
>