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Machine Design

How-to, in-depth technical articles for machine design engineers

Power Transmission

Gear drives, bearings, motors, clutches, couplings, machine controls, sensors and components.

Metal 3D Printing Design Guide

Direct Metal Laser Sintering (DMLS) 3D printing for parts with reduced cost and little waste.

Wind Systems

Towers, turbines, gearboxes; processes for shaping and finishing component parts.

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phot
Symbol:  ph 
Category:  Illuminance 
SI Equivalent:  1×104 lx
Dimension L-2
System:  cgs 
Convert     ph  
1 ph =
Illuminance
  Symbol Unit Name
929.03  ft-C, ft-cd, fc  foot-candle 
1×104  lx  lux 
Luminous luminance
  Symbol Unit Name
3.14159×104  asb  apostilb 
1×104  cd/m2  candela per square meter 
candle/cm2  candle per square centimeter 
929.03  candle/ft2  candle per square foot 
6.4516  candle/in2  candle per square inch 
1×104  candle/m2  candle per square meter 
2918.64  ft-L  foot-lambert 
3.14169  L  lambert 
1×104  nit  nit 
sb  stilb 
Glossary