COMPARISONS OF UVA & UVB (BLACKLIGHT) OUTPUT

COMPARISONS OF UVA AND UVB (BLACKLIGHT) OUTPUT OF A VARIETY OF FLUORESCENT LIGHT GLOBES USED FOR CAPTIVE REPTILE HUSBANDRY (uw/cm2)

The following information was gathered from preliminary tests carried out on one or two units of each type. The tests were carried out by the ACT Government Senior Veterinary Officer, Dr Will Andrew in association with Animal Technology students from the Canberra Institute of Technology. The tests were carried out at the ACT Government Veterinary Laboratory, O'Connor, ACT.

The data was collated and presented in the following form by Ron Dencio, Animal Technologist, Canberra. The Environmental data was gathered and collated by Ron Dencio.

All due care was taken under the prevailing conditions to ensure consistency in the testing of all lamps, however no responsibility is accepted or implied regarding the data or its interpretation.

Recommendations   Environmental readings

Light source Type
 UV Type At 30cm At 60cm At 90cm At 120cm No.
NEC Blacklight FL20
 A 230 74 39 24 1
SBL T10, 20w x 24"
 B 39.1 12.7 6.6 3.8
Sylvania Blacklight
 A 275 88 44 26 2
F20W/350 BL, 20w x 24"
 B 36.9 12.1 6.2 3.6
Zoo Med Reptisun UVB 5.0
 A 49.3 16.2 8.4 5 3
F20T 12/Rept 20w x 24"
 B 34.4 11.8 5.9 3.4
JBL Solar Reptile
 A 46.1 15.1 7.9 4.7 4
18w x 24"
 B 26.6 8.8 4.5 2.6
Coralife ESU Reptile
 A 9.6 3.6 1.8 1.1 5
FR20 T12, 20w x 24"
 B 13.5 4.4 2.3 1.4
Reptile Daylight Super UV
 A 10.5 3.3 1.5 0.8 6
F15 T8, 20w x 24"
 B 10.9 3.1 1.6 0.8
Repti-Glo, 15w x 18"
 A 3.5 1.2 0.56 0.32 7
B 2.6 0.8 0.36 0.18
Coralife 10,000 K
 A 5 1.7 0.9 0.77 8
FR20 T12, 20w x 24"
 B 2.41 0.73 0.36 0.23
Sylvania Blacklight Blue
 A 256 81 41 24 9
F18W/BLB T8,18w x 24"
 B 2.1 0.63 0.37 0.22
Blue Moon 20w x 24"
 A 19.6 6.3 3.2 2.1 10
  B 1.91 0.5 0.2 0.15
NEC Tri-Phosphor
 A 4.15 1.58 0.99 0.64 11
FL20SSBR/18-HG T8
18w x 24"
 B 1.72 0.6 0.31 0.2
NEC Biolux FL20SBR T10 A 4.6 1.7 1.1 0.8 12
20w x 24" B 1.06 0.32 0.15 0.1

The two "Blacklight" or "Insectocutor" tubes (below) are highly recommended as a UVB source but should be complimented with bright natural light (not direct sunlight) or a source such as the below mentioned "Tri-Phosphor" tube.

Light source Type
UV Type
At 30cm
NEC Blacklight FL20
A
230
SBL T10, 20w x 24"
B
39.1
Sylvania Blacklight
A
275
F20W/350 BL, 20w x 24"
B
36.9
 
NEC Tri-Phosphor
A
4.15
FL20SSBR/18-HG T8, 18w x 24"
B
1.72

The four tubes listed below are recommended as single units owing to adequate visible light and UVB outputs.

Light source Type
UV Type
At 30cm
Zoo Med Reptisun UVB 5.0
A
49.3
F20T 12/Rept 20w x 24"
B
34.4
JBL Solar Reptile
A
46.1
18w x 24"
B
26.6
Coralife ESU Reptile
A
9.6
FR20 T12, 20w x 24"
B
13.5
Reptile Daylight Super UV
A
10.5
F15 T8, 20w x 24"
B
10.9

ENVIRONMENTAL UVA & UVB READINGS (uw/cm2) TAKEN BETWEEN 11:40 am & 11:55 am ON 27 SEPTEMBER (SPRINGTIME) 1998 IN THE SUBURB OF MELBA IN THE AUSTRALIAN CAPITAL TERRITORY, AUSTRALIA. (THE UV INDEX FORECAST WAS "6" FOR THE DAY) CLEAR BLUE SKY - 19 Deg. C. - INTERMITANT SLIGHT AIR MOVEMENT

Date Time
 Time UV Type UV Index Meter Angle Direction In Sunlight
(uw/cm2)
In Shade
(uw/cm2)
Sept. 27, 1998 11:45sm A 6 vertical vertical 2160  
Sept. 27, 1998 11:55am B 6 vertical vertical 624  
Sept. 27, 1998 11:40am A 20 20 deg off vert ESE   483
Sept. 27, 1998 11:50am B 20 20 deg off vert ESE   209

 

 

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