LED people need to know

January 24, 2020

1W LED=3W CFL (energy saving lamp)=15W incandescent lamp
3W LED=8W CFL (energy saving lamp)=25W incandescent lamp
4W LED=11W CFL (energy saving lamp)=40W incandescent lamp
8W LED=15W CFL (energy saving lamp)=75W incandescent lamp
12W LED=20W CFL (energy saving lamp)=100W incandescent lamp
Color temperature table for various lights (K value)
Color temperature is a fixed measure of the color of light, indicating the most common indicator of the spectral quality of the source.
K<3300 is warm light (yellow orange), K>3300 is cold light (biased), K>6000 is almost white! The following are the color temperature values ​​of various lights to facilitate the production of different light sources!
Light color comparison table in K
Light source K
Candle flame 1500
Household incandescent lamp 2500-3000
60 watt inflatable tungsten filament lamp 2800
500 watt projection lamp 2865
100 watt tungsten light 2950
1000 watt tungsten lamp 3000
500 watt tungsten light 3175
Amber flashing light 3200
R32 mirror floodlight 3200
Zirconium arc lamp 3200
Mirror floodlight 3400
Warm white fluorescent light 3500
Clear flash signal 3800
Cool white fluorescent light 4500
White floodlight 4800
White flame carbon arc lamp 5000
M2B flashing light 5100
Noon daylight 5400
High-intensity solar arc lamp 5550
Direct sunlight in summer 5800
Direct sunlight from 10:00 to 15:00 6000
Blue flashing light 6000
White fluorescent light 6500
Clear afternoon sun 6500
Cloudy light 6800-7000
High-speed electronic flash tube 7000
Simple color temperature meter
Candles and flares below 1900K Chaoyang and sunset 2000K
Household tungsten lamp 2900K one hour after sunrise sunshine 3500K
Tungsten light for photography 3200K Morning and afternoon sunshine 4300K
Photographic quartz lamp 3200K Normal white 昼 5000~6000K
220 V fluorescent lamp 3500~4000K sunny day noon sun 5400K
Ordinary fluorescent lamp 4500~6000K cloudy more than 6000K
HMI lamp 5600K 6000~7000K in the shadow of sunny days
Mercury lamp 5800K snow 7000~8500K
TV screen 5500~8000K blue sky cloudless sky 10000K or more

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