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

Table 2

UVA irradiance (W·m⁻²) and illuminance (lux) in different times for four brand CFLs in Iranian brands.

Brand of CFLs	Power; (watt)	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	UVA (W·m^−2)	0.29	0.33	0.22	0.05	0.05	0.03	0.02	0.02	0	0.01	0	0
		Illuminance (lux)	6850	6580	6520	982	1012	1099	281	264	316	84	82	93
	18 W	UVA (W·m^−2)	0.68	0.92	0.36	0.16	0.13	0.06	0.06	0.04	0.01	0.02	0.02	0
		Illuminance (lux)	9990	9880	6900	1476	1373	885	371	388	150	105	112	74
	40 W	UVA (W·m^−2)	1.63	1.24	1.05	0.32	0.3	0.19	0.09	0.07	0.07	0.03	0.03	0
		Illuminance (lux)	13440	11490	13250	3320	3440	2890	784	707	689	206	214	166
	60 W	UVA (W·m^−2)	1.7	1.51	1.41	0.54	0.48	0.4	0.05	0.08	0.07	0.03	0.05	0.02
		Illuminance (lux)	14610	14650	14020	3550	2940	2880	921	731	680	266	209	180
Parmis	11 W	UVA (W·m^−2)	0.19	0.13	0.12	0.04	0.04	0.01	0.02	0.02	0	0	0.02	0.01
		Illuminance (lux)	3870	3290	3030	657	598	499	189	165	36	60	49	34
	18 W	UVA (W·m^−2)	0.52	0.34	0.27	0.09	0.08	0.05	0.04	0.04	0.02	0.02	0.02	0
		Illuminance (lux)	9000	9350	8510	1330	1300	1240	501	466	361	142	126	103
	40 W	UVA (W·m^−2)	0.96	0.87	0.55	0.17	0.26	0.12	0.07	0.05	0.02	0.03	0.03	0
		Illuminance (lux)	12470	12340	12820	3820	3590	2680	837	865	697	243	225	194
	60 W	UVA (W·m^−2)	0.67	0.61	0.46	0.15	0.1	0.1	0.07	0.03	0.07	0.05	0.03	0
		Illuminance (lux)	13090	14590	10230	4253	3590	2660	689	921	587	266	261	167
Etehad	11 W	UVA (W·m^−2)	0.07	0.07	0.23	0.02	0.02	0.06	0.03	0.01	0	0.02	0.01	0
		Illuminance (lux)	3500	3170	3090	595	540	512	177	164	151	47	41	35
	18 W	UVA (W·m^−2)	0.36	0.24	0.21	0.1	0.07	0.03	0.07	0.03	0.01	0.03	0.02	0
		Illuminance (lux)	6860	6290	6020	1471	1076	1062	386	326	315	117	92	89
	40 W	UVA (W·m^−2)	0.54	0.38	0.31	0.13	0.12	0.05	0.6	0.04	0.01	0.03	0.03	0
		Illuminance (lux)	12340	10450	8630	3850	3400	3100	910	831	317	260	268	162
	60 W	UVA (W·m^−2)	0.97	0.89	0.26	0.33	0.2	0.15	0.09	0.05	0.03	0.04	0.04	0
		Illuminance (lux)	8050	11600	5220	3490	3060	2860	866	812	801	330	254	225
Nama Noor	11 W	UVA (W·m^−2)	0.41	0.21	0.13	0.07	0.05	0.04	0.02	0.03	0	0.01	0.02	0
		Illuminance (lux)	2920	2850	1640	520	554	513	210	162	153	56	49	30
	18 W	UVA (W·m^−2)	0.49	0.22	0.27	0.07	0.05	0.01	0.03	0.03	0	0.02	0.02	0
		Illuminance (lux)	3610	2390	2470	541	425	325	176	128	91	45	39	44
	40 W	UVA (W·m^−2)	1.01	0.7	0.27	0.18	0.14	0.04	0.07	0.04	0	0.03	0	0
		Illuminance (lux)	6640	5200	3470	1481	1001	484	378	260	148	100	81	24
	60 W	UVA (W·m^−2)	1.3	1.07	0.46	0.28	0.25	0.13	0.09	0.05	0.01	0.04	0.03	0
		Illuminance (lux)	9490	8460	4860	2560	2230	1057	601	812	328	180	157	40