Illumination Levels

Based on CIBSE: SLL Lighting Guide 1 - The Industrial Environment 2018

Application Maintained illuminance (lux) UGR Limit Minimum uniformity (U0) Ra
Pharmaceutical manufacture:
  • Grinding, granulating, mixing, drying, tableting, sterilising, washing, preparation of solutions, filling, capping, wrapping, hardening
 500 22 0.6 80
Fine chemical manufacture
  • Exterior walkways, platforms, stairs and ladders
 50 1.4 20
Process plant 150 28 0.7 40
Fine chemical finishing 500 19 0.8 80
Inspection 750 19 0.7 80
* Many pharmaceutical companies have their own build specifications