Calcul d'énergie en BTU et kW d'un bâtiment Calcul et lumen watt (comparaison ampoules) Calcul de la durée de vie ampoule Calcul de l'aire d'une surface pieds carrés (planchers) Autres calculs Calculatrice du stockage du carbone bois ...
Energy saving lamps have high luminous efficacy (more lumens per watt).The luminous flux ΦV in lumens (lm) is equal to the power P in watts (W), times the luminous efficacy η in lumens per watt (lm/W):ΦV(lm) = P(W)× η(lm/W)...
The old days of choosing light bulbs by wattage are over. With today’s modern LED bulbs, we instead need to focus on lumens. But what is a lumen? We’ll explain that, and then you can use our lumens to watts conversion chart to select the right LED bulb every time. ...
watt lumen values into every watt pupil lumen value. en.lvd.cc 该转换系数 (校正系数)用于将传统的每瓦流明数 值 转换 成每 瓦瞳孔流明数值,它是用于衡量眼睛看到光源发出的光的有效性的一种方法。 cn.lvd.cc 4) Energy quality coefficient refers to the conversion coefficient (dimensionless), which ...
H1 LED Fan cooling Headlight Fog Light Conversion Kit with Internal Drivers 5000 Lumen Led Headlight bulbs H1 Product Name H1 car led Item No. LW-L6 H1 Watt 50W Lum 6000lm Volt DC9-32V Driver All-in-one Led,Built-in Driver ...
Watt 50W/Pair Lumen 5000lm Volt 9-36V LED Chip Csp Transport Package Gift Box Specification 35*25*30cm Trademark No Brand Origin China HS Code 8512201000 Production Capacity 50000PC/Year Packaging & Delivery Package Size 35.00cm * 25.00cm * 30.00cm ...
Lumen: 5000LM per bulb Viewing angle: Spot beam and perfect beam Efficient heat dissipation and quiet Intelligent fan, 10000 rpm, make the lamp cooling faster and zero noise Fan Material: Aluminum fins, new technology for heat dissipation Voltage: DC 9-60V Water...
Premium Outdoor Light Professional Flood Lights High Lumen Output Floodlight 4500lm to 300000lm Optional 30W-2000W High Lumen Output Floodlights US$11.00-698.00 / Piece Floodlight 30W 50W 80W 100W 150W 200W 250W 300W 400W 1000W 1200W, 230V, Medium Beam, Outdoor L...
10) Luminous: 3, 000 lumen (3 times brighter than the common lamps)11) Color temperature: 4, 300, 5, 000, 6, 000, 7, 000, 8, 000, 10, 000 and 12, 000K12) Yellow white: 4, 300 to 5, 500K13) Blue white: 6, 500 to 10, 000K14) The ray axis of H4 Hi/Lo lamps can...
LED 75 watt Modul Lyskaster 75WLED industri taklampe 100wattLED Taklampe 100 wattLED 300watt 4bay lyskasterLED lineær industri taklampe 50wattLED Idrettplass/ FlyplassLED 200 watt lyskaster 200WLED 1000 watt lyskaster arena 1000WLED 30watt og 50watt ...