Orders of magnitude (luminous flux)
From Wikipedia, the free encyclopedia
To help compare different orders of magnitude, the following list describes various lumen, which is measured in lm.
| Factor [lm] |
Multiple | Value | Item |
|---|---|---|---|
| 10−2 | 1 centilumen (clm) | 0.025 lm | One firefly[citation needed] |
| 101 | 10 lumen (lm) | 12.57 lm | One candle[1] |
| 102 | 1 hectolumen (hlm) | 780 lm | 60 W incandescent light bulb |
| 875 lm | 50 W halogen lamp[2] | ||
| 900 lm | 15 W compact fluorescent lamp[3] | ||
| 930 lm | 75 W incandescent light bulb[3] | ||
| 103 | 1 kilolumen (klm) | 1000 lm | High-power LED[4] |
| 1400 lm | 75 W halogen lamp[5] | ||
| 1550 lm | 23 W compact fluorescent lamp[6][7] | ||
| 2990 lm | 200 W incandescent light bulb[3] | ||
| 104 | 10 kilolumen (klm) | 75 000 lm | Edison Commemorative Light Bulb[8] |
| 105 | 100 kilolumen (klm) | 600 000 lm | IMAX projector bulb[9] |
| 1028 | 10 thousand yottalumen (Ylm) | 3.0768×1028 lm | The Sun (assuming 80 W/lm * 384.6YW[10]) |
See also [edit]
References [edit]
- ^ Robert H (Doc) Bryant. "Lumens, Illuminance, Foot-candles and bright shiny beads….". Theledlight.com. Retrieved 10 August 2011.
- ^ answers.com - What is the lumen output for a 50W halogen?
- ^ a b c en.wikipedia.org/..Compact_fluorescent_lamp 2007-12-27
- ^ "Powerful Little Light: LED With 1,000 Lumens". Physorg.com. March 15, 2007. Retrieved 28 July 2011.
- ^ oee.nrcan.gc.ca - Lighting Reference Guide - Incandescent Lamps
- ^ "Osram Dulux EL electronic energy-saving lamps" (pdf). Osram.dk. Retrieved Jan. 04, 2009.[dead link]
- ^ "Conventional CFLs". Energy Federation Incorporated. Retrieved 2008-12-23.
- ^ "Edison-Ford Winter Estates, Fort Myers, FL.". Kilokat's Antique Light Bulb Site. Kilokat's Antique Light Bulb Site. Retrieved 2 August 2011.
- ^ "About IMAX". The Henry Ford. The Henry Ford. Retrieved 2 August 2011.
- ^ John P. Millis, Ph.D. "The Sun". About.com. Retrieved 2 August 2011.