UV Light Bulbs

UV light bulbs are fluorescent tubes with a dark blue or purple filter to remove other parts of the spectrum and leave just UVA light. UV (ultraviolet) light bulbs are often referred to as black light bulbs, or BLB (blacklight blue) bulbs. UV lights feature small wavelengths that are measured in nanometers (nm). Nanometers often affect the UV light bulb, with the bulb emitting either UVA, UVB or UVC UV radiation. None of these bulbs can penetrate human skin and safe to use.

What are the types of UV light bulbs?

The violet light produced by UV light bulbs illuminates objects that normally can’t be seen by the human eye. What do the different bulbs mean:

Blacklight Blue (BLB)

These can be associated with glowing in the dark, with the use of visible UV light. They give off a purple-coloured light, they can be used in:

  • Detecting forged back notes
  • Anti-theft protection
  • Cleaning to detect stains

Blacklight UV Bulb

These fall into the same bracket as black light blue light bulbs. The only difference is the slight difference is the shorter wavelengths that result in different effects. These types of bulbs are used in:

  • Sun tanning salons
  • Bug zappers (Bugs are attracted to the UV light)
  • Germicidal

These UV lamps have the shortest UV wavelengths, meaning they could be potentially harmful to human skin. Germicidal UV light bulbs are available as tubes, with the tube colour usually being transparent. They should be used by professionals and in industrial environments for:

  • Water treatment
  • Disinfection
  • Sterilisation

Can a UV bulb be placed into a normal lamp?

As long as the lamp fitting matches the bulbs and the wattage is the same or lower. Check the manufacturer’s specification of the bulb and lamp fitting for a correct match up to avoid any safety reasons.


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Description Price Wattage Lamp Base Length Lamp Size Voltage Rating Peak Wavelength Life Hours
RS Stock No. 497-628
Mfr. Part No.408
MYR51.62
Each
units
4 W G5 150.1 mm 16 mm 30 V 370 nm 3000h
RS Stock No. 625-233
BrandSure24
MYR99.20
Each
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6 W - 394 mm 152 mm - - -
RS Stock No. 829-8870
Mfr. Part No.SUPRATEC HTC 400-241 230V R7S
BrandOsram
MYR271.33
Each
units
460 W R7S 104 mm - 230 V 380 nm 1000h
RS Stock No. 547-871
Mfr. Part No.G4T5
BrandLawtronics
MYR117.54
Each
units
4.6 W G5 134 mm 134.5 mm - 253.7 nm 6000h
RS Stock No. 159-5644
Mfr. Part No.AR48
BrandCIF
MYR95.42
Each
units
15 W - 430 mm - - 365 nm -
RS Stock No. 829-8886
Mfr. Part No.SUPRATEC HTT 150-211
BrandOsram
MYR487.84
Each
units
165 W R7S 57.6 mm - 230 V - 1000h
New
RS Stock No. 209-7639
Mfr. Part No.23668
BrandOrium
MYR305.14
Each
units
1.5 W U shape 198 mm 5 x 75 mm 12 V 253.7 nm 15000
New
RS Stock No. 209-7640
Mfr. Part No.23670
BrandOrium
MYR294.83
Each
units
4.5 W U shape 300 mm 5 x 155 mm 6 V 254 nm 8000