Ultraviolet Radiation Emissions and Illuminance in Different Brands of Compact Fluorescent Lamps

Table 1

UVB irradiance (W·m⁻²) in different times for four brand CFLs at 90° in Iranian brands.

Brand of CFLs	Distance (cm)	10			25			50			100
	Measurement time (hour)	0	100	2000	0	100	2000	0	100	2000	0	100	2000
Pars khazar	11 W	0.01	0	0	0.01	0	0	0	0	0	0	0	0
	18 W	0.01	0.02	0.01	0.01	0	0	0.01	0	0	0	0	0
	40 W	0.02	0.02	0.01	0.01	0	0	0	0	0	0	0	0
	60 W	0.01	0	0	0	0	0	0	0	0	0	0	0
Parmis	11 W	0	0.01	0	0	0.01	0	0	0	0	0	0	0
	18 W	0.01	0.01	0.01	0	0	0	0	0	0	0	0	0
	40 W	0.01	0.02	0.01	0	0	0	0	0	0	0	0	0
	60 W	0.01	0	0	0.01	0	0	0	0	0	0	0	0
Etehad	11 W	0	0	0	0	0	0	0	0	0	0	0	0
	18 W	0.01	0.01	0.01	0	0.01	0	0	0.01	0	0	0	0
	40 W	0.01	0.02	0	0.01	0	0	0	0	0	0	0	0
	60 W	0.02	0.02	0	0.01	0	0.01	0.01	0	0	0	0	0
Nama Noor	11 W	0.01	0.01	0	0	0	0	0	0	0	0	0	0
	18 W	0.01	0.01	0	0.01	0.01	0	0	0	0	0	0	0
	40 W	0.02	0.02	0	0.01	0	0	0	0	0	0	0	0
	60 W	0.02	0.02	0.01	0.01	0	0	0	0	0	0	0	0