UV Low Pressure Mercury Lamps
Products - Light Sources
Efficient UV Solutions for Precise Applications
Our low pressure mercury lamps deliver reliable ultraviolet radiation, precisely tuned to specific wavelengths. Thanks to their narrow spectral output, these lamps are ideal for applications that require defined irradiation – from water and air disinfection to analytical instruments. DR. FISCHER combines proven technology with high quality standards, offering customized solutions with various dimensions, bases, and performance levels. As your partner for efficient UV technology, we deliver made-in-Germany reliability for your unique requirements.
On request, we can produce these lamps in lengths up to 3 meters, featuring pinch and shrink seals, various diameters, dopings, bases, and end caps. If you do not find your desired product in the list below, please feel free to contact us.
Long-Term Distribution Partner of Philips, a Lighting Brand of Signify
DR. FISCHER has been a trusted distribution partner of Signify for many years.
Our close partnership ensures continuous access to original Philips low pressure mercury lamps and components.
We offer a broad portfolio of Philips lighting, supported by expert advice and reliable service.
Benefit from genuine Philips quality, combined with our application expertise and flexible logistics.
Customers around the world rely on Our proven partnership with Signify for efficient and dependable UV solutions.
UV Low Pressure Mercury Lamps by DR. FISCHER Europe
Key Advantages of UV Medium Pressure HG Lamps:
- Precise Wavelength Emission:
Delivers ultraviolet light at defined spectral lines, ideal for applications requiring targeted irradiation. - High Efficiency:
Provides maximum UV output with minimal energy consumption. - Reliable Performance:
Ensures stable operation and long service life, even in continuous-use environments. - Versatile Applications:
Suitable for water and air purification, surface disinfection, and analytical instruments. - Customizable Design: Available in various lengths, diameters, bases, and dopings to fit your specific needs.
Philips TUV PL-S
Philips TUV PL-S lamps are compact UVC (germicidal) lamps designed for use in residential water and air disinfection units, as well as selected surface treatment applications. Their compact size enables space-saving system designs and greater design flexibility. Philips TUV PL-S lamps deliver nearly constant UV output throughout their entire lifetime. The single-ended base makes lamp replacement quick and easy.
Our products:
Features
- Short-wave UV radiation with a peak at 253.7 nm (UVC) for disinfection purposes
- Protective inside coating ensures almost constant UV output over the complete lifetime of the lamp
- Special lamp glass filters out the 185 nm ozone-forming radiation
- 2-Pin PL-S lamp base contains a special starter for almost instant starting on electromagnetic drivers
- 4-Pin PL-S lamps are designed for use on electronic drivers
Benefits
- Compact system design
- Simple single-ended connection
- Effective disinfection over the useful lifetime of the lamp
- Good environmental choice because of lowest amount of mercury
Technical Data
Main applications
Deactivation of bacteria, viruses and other micro-organisms
Residential drinking water units
Pond water units
Air treatment units
Air treatment units
TUV TL Mini
Philips TUV TL Mini lamps are slim double-ended UVC (germicidal) lamps used in residential water and air disinfection units, as well
as for specific surface treatment applications. The small 16 mm diameter of the lamp allows for a small system design and design flexibility. Philips TUV TL Mini lamps offer almost constant UV output over their complete lifetime.
Our products:
Features
- Short-wave UV radiation with a peak at 253.7 nm (UVC) for disinfection purposes
- Protective inside coating ensures almost constant UV output overthe complete lifetime of the lamp
- Special lamp glass filters out the 185 nm ozone-forming radiation
Benefits
- Slim system design
- Simple single-ended connection
- Large range of High Output versions available for optimum UVC output per lamp length, allowing for reduction of system size
- Effective disinfection over the useful lifetime of the lamp
- Good environmental choice because of lowest amount of mercury
Technical Data
Main applications
Deactivation of bacteria, viruses and other micro-organisms
Residential drinking water units
Fish pond water units
Stand alone air purifiers
High Power Amalgam Lamps
Philips TUV Amalgam XPT system consists of an electronic driver that operates one TUV Amalgam XPT lamp, mounted in a sleeve.
The electrical specifications are tailored to the lamp, ensuring an optimized performance of the Philips TUV Amalgam XPT system.
Thanks to extensive testing before a lamp system is released, we can ensure maximum reliability and long lifetime.
Our products:
Features
- Deactivation of bacteria, viruses and other micro-organisms
- Municipal drinking water treatment equipment
- Municipal waste water treatment equipment
- Process water treatment equipment
- Swimming pool units
- Equipment for the production of ultra-pure water, for example for the semiconductor, pharmaceuticals and cosmetics industries (ozone version)
Benefits
- High Power allows for design of compact installations
- High system efficiency
- Approximately 10% energy savings, because lamps can be dimmed to reach the same UV output compared to similar lamps on the market
- Effective disinfection over the useful lifetime of the lamp
- Best environmental choice because of long reliable life, less waste and industry leading low amount of mercury
- Extreme reliability of driver, with annual failure rate of less than 1%
- High efficiency during dimming thanks to unique amalgam temperature control of the 800W lamps
Technical Data
Main applications
Deactivation of bacteria, viruses and other micro-organisms
Municipal drinking water treatment equipment
Municipal waste water treatment equipment
Swimming pool units
Equipment for the production of ultra-pure water, for example for the semiconductor, pharmaceuticals and cosmetics industries (ozone version)
Philips DynaPower System
The Philips DynaPower lamp and driver offers you a best-in-class, no-risk alternative for specific amalgam open channel systems.
The delicate balance between lamp and driver has been optimized to achieve the best possible performance. The Philips lamps and drivers are all designed and manufactured in-house, to give you guaranteed peace of mind.
Our products:
Features
- Operates 230W, 260W (HO) and 335W (HO) TUV Amalgam XPT lamps
- Single lamp operation possible
- Cooler operating temperature for additional energy savings
- 100% stress testing minimizing 0-hour failures
- Protection against voltage peaks
- Permanent overvoltage protection
- Approximately 20 seconds start-up time (compared with 90 seconds for similar drivers on the market) Special lamp glass filters out the 185 nm ozone-forming radiation
Benefits
- Energy savings of approximately 10% compared with similar drivers or lamps, and up to as much a 35% for the HO system
- Dimmable up to 60% power level for additional energy savings
- The highest levels of service and support with a single supplier for lamp and driver
- 3-year guarantee on driver and 16,000 operating hours guarantee on lamp
- Easier maintenance thanks to single lamp operation, allowing to detect easily which lamps need to be replaced
- Best environmental choice thanks to maximum lifetime reliability, in combination with minimum substances, packaging and product weight
- Easier to maintain compliance with regulations thanks to reduced risk of failures
Technical Data
Main applications
Deactivation of bacteria, viruses and other micro-organisms
Municipal drinking water treatment equipment
Municipal waste water treatment equipment
Stand alone air purifiers
Philips TUV T5
TUV T5 lamps are single- or double-ended UVC (germicidal) lamps used in professional water and air disinfection units. The small 16 mm diameter of the lamp allows for a small system design and design flexibility. TUV T5 lamps offer almost constant UV output over their complete lifetime.
Our products:
Features
- Short-wave UV radiation with a peak at 253.7 nm (UVC) for disinfection
- Small diameter
- Protective inside coating ensures almost constant UV output over the complete lifetime of the lamp
- Special lamp glass filters out the 185 nm ozone-forming radiation
Benefits
- Slim system design
- Simple single-ended connection
- High Output versions for improved performance in moving air and reducing amount of required lamps
- Effective disinfection over the useful lifetime of the lamp
- Good environmental choice because of lowest amount of mercury
Technical Data
Main applications
Deactivation of bacteria, viruses and other micro-organisms
Industrial water disinfection equipment, e.g. for food & beverage industry
Small municipal water treatment systems
Swimming pool units
Air treatment systems (High Output lamp versions)
Philips TUV PL-L
Philips TUV PL-L lamps are compact UVC (germicidal) lamps used in water and air disinfection units. The compact size of the lamp allows for a small system design and design flexibility. Philips TUV PL-L lamps offer almost constant UV output over their complete lifetime. Thanks to the single-ended lamp base, lamp replacement is easy, making maintenance hassle free.
Our products:
Features
- Short-wave UV radiation with a peak at 253.7 nm (UVC) for disinfection purposes
- Protective inside coating ensures almost constant UV output over the complete lifetime of the lamp
- Special lamp glass filters out the 185 nm ozone-forming radiation
Benefits
- Compact system design
- Simple single-ended connection
- Hight Output versions for improved performance in moving air and reducing amount of required lamps
- Effective disinfection over the useful lifetime of the lamp
- Good environmental choice because of lowest amount of mercury
Technical Data
Main applications
Deactivation of bacteria, viruses and other micro-organisms
Air disinfection systems in professional applications such as universities, hospitals, jails and laboratories
In-duct air treatment units
Stand alone air purifiers
Residential drinking water units
Fish pond and process water units
Philips TUV T8
TUV T8 lamps are double-ended UVC (germicidal) lamps used in professional air disinfection units. TUV T8 lamps offer almost constant UV output over their complete lifetime. Moreover, they have a long and reliable lifetime, which allows maintenance to be planned for in advance.
Our products:
Features
- Short-wave UV radiation with a peak at 253.7 nm (UVC) for disinfection purposes
- Protective inside coating ensures constant UV output over the complete lifetime of the lamp
- Long lifetime of 18,000 hours
- Special lamp glass filters out the 185 nm ozone-forming radiation
- High reliability with the lowest percentage of lamps that fail prematurely in the market (90% of all lamps still operate on full output and quality after 15,000 hours)
- Special lamp glass filters out the 185 nm ozone-forming radiation
Benefits
- Effective disinfection over the useful lifetime of the lamp
- Maintenance can be planned in advance, virtually eliminating the need for expensive spot replacement of prematurely failed lamps
- High Output versions available for optimum UVC output per lamp length, allowing for reduction of system size
- Good environmental choice because of lowest amount of mercury
Technical Data
Main applications
Air disinfection systems in professional applications such as universities, hospitals, jails and laboratories
Upper air and whole room disinfection equipment in hospitals, intensive care units and surgery rooms
Areas with low maintenance and/or disruptive costs
Fish pond and process water units
Other Lamp Types and Scatterproven Lamps
Beyond our standard germicidal low pressure lamps, Dr. Fischer provides a broad variety of specialized lamp types tailored to different applications, from soft or quartz glass designs to low and high ozone, preheated or instant start, and high output versions. For added safety, we also offer shatter-protected solutions with a UVC transmittive shrink envelope, ensuring reliable performance while protecting your application from glass particles in case of lamp breakage.
Main applications
Deactivation of bacteria, viruses and other micro-organisms
Residential drinking water units
Pond water units
Air treatment units
Air treatment units
Our other germicidal low pressure lamp types:






Ballasts
Using the right ballast is crucial for UV low pressure mercury lamps. It regulates the current, guarantees stable operation, and prevents power fluctuations that could damage the lamp. The ideal ballast not only maximizes UVC efficiency and output, but also extends lamp lifetime and reduces maintenance costs.
The right driver for the right lamp:
TUV PL-S
TUV TL Mini
TUV T5
Philips TUV PL-L
TUV T8 and TUV T8 Xtra
Typical Applications of UV Low Pressure HG Lamps:
Water Disinfection
Reliable and energy-efficient UV radiation for effective inactivation of microorganisms in drinking and process water.Air Disinfection
Continuous UV treatment for maintaining hygienic air conditions in medical, industrial, and public environments.Surface Disinfection
Safe and uniform UV exposure for decontamination of equipment, packaging, and production surfaces.Polymerisation
Precise UV curing of coatings, adhesives, and resins requiring controlled wavelength output and high uniformity.
By utilizing the stability and proven efficiency of low pressure UV lamps, you can achieve dependable sterilization performance, low energy consumption, and long operational lifetimes across various disinfection and curing applications.
Selected Examples from Our UV Low Pressure Mercury Lamp Range
TUV T5
TUV T5 lamps are compact UVC (germicidal) lamps for professional water and air disinfection. With a 16 mm diameter, they enable flexible, space-saving system design and deliver stable UV output throughout their lifetime.
TUV TL Mini
Philips TUV TL Mini lamps are slim UVC (germicidal) lamps for residential water, air, and surface disinfection. Their 16 mm diameter enables compact system design, while providing stable UV output throughout their lifetime.
TUV T8
TUV T8 lamps are double-ended UVC (germicidal) lamps for professional air disinfection. They deliver stable UV output and a long, reliable lifetime, enabling planned maintenance.