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Item #:
34914754
254 nm 4W UVC Replacement Bulb for UV Lamp 254nm/365nm Portable AA Batteries Powered Lab Blacklight Replacement Bulb (254nm)
Item #:
34914754
XCD 65
Price Details
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*All items will import from US
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Imported from USA store
QTY:
Order now and get it around Thursday, August 20
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254 nm UVC G4T5 4W UV bulb by Sankyo Denki
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What Stands Out
Dual Wavelengths
This bulb offers both 254nm and 365nm wavelengths, catering to a variety of applications from disinfection to fluorescence detection, enhancing versatility for users demanding flexibility in UVC and blacklight uses.
Portable Power
Powered by AA batteries, this bulb ensures easy portability, allowing users to employ UV lighting in various settings without being tethered to an electrical outlet, perfect for on-the-go professionals and researchers.
Reliable Performance
The 4W output delivers optimal UV intensity for effective sterilization and detection. Its design ensures consistent performance, making it a dependable choice for laboratories, workshops, and field studies requiring reliable UV light.
Product Details
| Country of Origin | This item will be imported from US |
| Item Weight | 0.5 lbs (230 grams) |
| What is in the box | 254 nm 4W UVC... For more details, please check description/product details |
Dangerous Goods
To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.
Who Should Buy?
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Laboratory Use
Ideal for scientific labs requiring precise UV light for experiments and sterilization processes.
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Hobbyists
Perfect for hobbyists in photography or mineral collection who need a portable UV light for enhancements.
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Home Sanitization
Great for individuals looking to disinfect surfaces using UVC light for home health and safety.
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Outdoor Use
Not suitable for outdoor activities due to battery dependence and limited durability against weather conditions.
Product Description
254 nm 4W UVC Replacement Bulb for UV Lamp 254nm/365nm Portable AA Batteries Powered Lab Blacklight Replacement Bulb (254nm)
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is the purpose of the 254 nm 4W UVC replacement bulb?
Answer: The 254 nm UVC replacement bulb is designed for germicidal applications. Its wavelength effectively inactivates bacteria, viruses, and mold spores, making it ideal for sanitizing spaces such as laboratories, water treatment facilities, and medical equipment. Using this bulb can enhance hygiene and safety in environments where cleanliness is critical. -
Question:
How does the 254 nm UVC bulb differ from other UV bulbs?
Answer: The 254 nm UVC bulb specifically emits ultraviolet light at a wavelength known for its germicidal properties, effectively disrupting the DNA of microorganisms. In contrast, other UV bulbs may emit longer wavelengths primarily used for curing, tanning, or light effects. This specialization makes the 254 nm bulb suited for disinfection purposes, which is essential in settings needing strict sanitary standards. -
Question:
Can the 4W UVC bulb be used in portable lamps?
Answer: Yes, the 4W UVC bulb is designed to be compatible with portable lamps powered by AA batteries. This portability allows users to disinfect various areas, whether at home, in offices, or during travel. The compact and lightweight design ensures convenience while maintaining powerful germicidal capabilities. -
Question:
Are there safety precautions when using the 254 nm UVC bulb?
Answer: Absolutely. When using the 254 nm UVC bulb, it’s critical to avoid direct skin exposure as ultraviolet light can cause burns and skin damage. Additionally, ensure that no pets or people are in the area being treated during operation. Proper usage guidelines should be followed to maximize safety and effectiveness when disinfecting spaces. -
Question:
How long can the UVC bulb be operated continuously?
Answer: The continuous operation time of the 254 nm UVC bulb can vary based on the design and manufacturer specifications. Generally, it’s advisable to limit usage to periods of disinfection rather than prolonged use to prevent overheating. Regular breaks can help prolong the life of the bulb and maintain optimal performance for germicidal effectiveness. -
Question:
Is the 254 nm UVC bulb suitable for residential use?
Answer: Yes, this 254 nm UVC bulb is suitable for residential use, particularly in areas prone to germs, such as bathrooms, kitchens, and pet areas. Homeowners can utilize this bulb to enhance cleanliness and reduce the risk of infections. It’s especially beneficial during cold and flu seasons or after illness in the household. -
Question:
How many hours is the expected lifespan of this UVC bulb?
Answer: The lifespan of the 254 nm UVC bulb typically ranges between 2,000 to 8,000 hours, depending on usage and the quality of the specific bulb. Regular monitoring of the bulb’s effectiveness is essential as performance may diminish over time. Users should replace the bulb if they notice a decrease in germicidal performance. -
Question:
Does the bulb work at both 254 nm and 365 nm?
Answer: This bulb primarily functions at a wavelength of 254 nm, which is widely recognized for its germicidal properties. While it may also have some characteristics at 365 nm, it is the 254 nm wavelength that provides the most effective disinfection. Thus, for germicidal applications, rely primarily on the 254 nm capabilities. -
Question:
Where can I buy the 254 nm 4W UVC replacement bulb in Saint Lucia?
Answer: You can purchase the 254 nm 4W UVC replacement bulb on Ubuy. Ubuy provides a reliable platform for sourcing various UV bulbs, including portable options tailored to your disinfection needs. Their service ensures access to quality products that can enhance your sanitation efforts effectively. -
Question:
Will the UVC bulb affect the color of items it shines on?
Answer: The 254 nm UVC bulb may not significantly alter the visible color of items but can cause fading or damage to certain materials over prolonged exposure, especially fabrics and paintings. It's advisable to only use the bulb on items approved for UVC treatment and to shield sensitive materials from direct exposure during disinfection.
AAdvance Instruments Light Sources Editorial Review
The Japanese-made UV-B fluorescent tube is a 4W bulb that needs to be installed into a 4W UV lamp to function. The bulb produces a decent output and is functional as the ozone emission suggests after running for 30 minutes. The only issue is that the bulb takes a while (10-15 minutes) to warm up before it reaches maximum intensity. Therefore, it's vital to keep the warm-up time in mind before use.
Customer Reviews & Ratings
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Pros
- -Produces decent output -Ozone emission suggests its effective.
Cons
- -The warm-up time can take up to 10-15 minutes before the bulb reaches maximum intensity.
Platform Trust & Buyer Confidence
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Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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Chitra
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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23 July 2026 · via Trustpilot
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XCD 65
Order now and get it around Thursday, August 20
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- G4T5 bulb with UVC wavelength of 254nm and 4W power output
- Suitable as a replacement bulb for portable AA batteries powered lab blacklight by AAdvance Instruments
- Length of 6” (15cm) including pins and 5.3” (13.5cm) excluding pins with 5/8” diameter
- G5 base with pin distance of 5mm
- Reliable and high-quality bulb by Sankyo Denki
- Effective in destroying harmful pathogens and microorganisms
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