HT instruments HT309 - Manual (Page 13)

HT309
EN - 12
8. APPENDIX A: RECOMMENDED ILLUMINANCE LEVELS
Reports the recommended illuminance values (expressed in Lux; divide by 10.76 to obtain
the corresponding values in Fc) for the different types of environments:
Table 2: Recommended illuminance values
ENVIRONMENT ENVIRONMENT
• AT WORK • SHOP
Conference hall, reception hall 200 ~ 750 Internal stairs, corridor 150 ~ 200
Place of worship 700 ~ 1500 Shop window, counter 750 ~ 1500
Office 1000 ~ 2000 Further than the shop window 1500 ~ 3000
• FACTORY • HOSPITAL
Production line 300 ~ 750 Patients' rooms, store 100 ~ 200
Product verification 750 ~ 1500 Ambulatory clinic 300 ~ 750
Assembly of electronic parts 1500 ~ 3000 Operating room 750 ~ 1500
Goods entry/exit 150 ~ 300 Emergency room 750 ~ 1500
• HOTEL • SCHOOL
Lounge, TV hall, cloakroom 100 ~ 200 Auditorium, gymnasium 100 ~ 300
Reception hall 200 ~ 500 Classroom 200 ~ 750
Cash desk 750 ~ 1000 Laboratory, library 500 ~ 1500
LUX LUX