A 185nm UV Lamp generates ultraviolet energy at 185nm which is proven to effectively produce ozone, a natural sanitizer and deodorizer. A 185 nm UV light produces UV energy in wavelengths shorter than 220 nm which decompresses oxygen, O², to produce ozone, O³. UV germicidal lamps are designed to emit the most effective wavelength of UV radiation, measured in nanometers (nm). 185 nm lamps produce ozone, while 254 nm is an optimal wavelength to target the DNA of viruses, fungi and bacteria.
Ultraviolet radiation is proven
to instantly penetrate the cells of harmful, disease causing microorganisms and
rearrange the genetic material to render the cell unable to replicate. These
harmful germs including protozoa and algae are unable to reproduce and are
considered dead. UV germicidal lamps are
proven to be highly effective in many surface, air and water disinfection
applications with 185 nm ozone lamps providing many benefits.
Low Pressure and Medium Pressure
Germicidal Lamps
The two main types of UV germicidal lamps are
low pressure and medium pressure Mercury discharge lamps. Some low pressure
germicidal lamps will look very similar to typical fluorescent lamps although
the glass tube does not contain a fluorescent phosphor. The glass is also made
of either soda lime glass or fused quartz as opposed to an ordinary
borosilicate glass in typical fluorescent lamps.
This is to
allow the optimum wavelength produced by a Mercury arc of either 185nm or 254nm
of UV light to pass through unmodified. Low-pressure Mercury discharge lamps
will still produce a visible light due to Mercury radiation bands.
Medium
pressure Mercury discharge lamps look very similar to a high intensity
discharge (HID) lamps and produce a broadband of UVC radiation rather than a
single, narrow band line. These broadband UVC germicidal lamps produce a bright
bluish white light and are common in many industrial water treatment
applications due to the intense radiation source.
Low Pressure Amalgam UV Lamps
Low
pressure Amalgam UV lamps provide stable performance over a wide range of
ambient temperature changes with 3 to 4 times higher power density. Amalgam
lamps are preferred for long-term applications and are available with either
spot or pellet Amalgam technology. Spot Amalgam technology uses Mercury Amalgam
applied to the inner surface of the lamp, whereas pellet Amalgam technology has
Mercury Amalgam on the outside of the lamp arc.
Amalgam
lamps provide some benefits over other lamps with the vapor pressure controlled
by location and composition of Amalgam and allow for higher lamp current
operation with robust filaments.
Low Pressure Amalgam Lamps
Ozone Producing 185 nm UV Lamp
Benefits
Ozone Air
Purification – Ozone
Carries Through the Air
Ozone producing 185 nm UV lamps
offer additional benefits and are required to oxidize specific organic
compounds. One of the major advantages of ozone disinfection lamps is that
ozone is carried through the air to places where UV radiation does not directly
reach. 185 nm UV light is used in many UV air purification systems to effectively sanitize
and clean the air in many HVAC systems.
Ozone Water
Purification – Stronger than Chlorination
185 nm lamps are also very
common in many water sterilization applications. Ozone is proven to be very
effective over a wide range of pH environments and reacts quickly with viruses,
bacteria and protozoans. Ozone provides a very strong oxidizing power and a
short reaction time, with stronger germicidal properties then chlorination in
many applications. Ozone does not add harmful chemicals to the water and
eliminates many protozoans the chlorine does not such as Giardia and
Cryptosporidium.
Ozone
Oxidation – Powerful
Water Disinfection
Also provides excellent
oxidation in disinfection properties which makes it popular in drinking water
treatment systems. 185 nm lamps are convenient in that ozone may be added to
water treatment systems at several points such as during pre-oxidation, intermediate
and final disinfection treatment processes. Ozone water disinfection is used
worldwide in many applications including ballast water treatment
systems for ships which are globally enforced to protect the
planet’s oceans.
185nm UV Lamps from LightSources
LightSources
and LightTech offer 185nm UV lamps manufactured with high-quality quartz glass.
The type of fused quartz used to make the envelope, or the bulb, of the
germicidal lamp determines the wavelength of UV emissions. Ozone is an
extremely effective deodorizer and active oxidizer, destroying microorganisms
on contact. The LightSources Group offers Very High (VH) UV germicidal lamps
which produce UV energy at 185nm as well as Low (L) lamps which produce 254nm.
Our L lamps
are designed with a specially doped fused quartz to prohibit the emission of
185 nm, while our VH lamps are designed with clear fused quartz to allow the
emission of energy at 185 nm. These 185 nm UV lights are found in a wide range
of air treatment systems and water sterilization applications. VH lamps are
effective in reducing total organic compounds (TOCs) and are commonly used in
HVAC UV air purification systems.
LightSources
and LightTech offer UV germicidal lamp solutions for any application, with a
wide range of patented, high-tech lamp products as well as custom designed
solutions available. We design, engineer and manufacture lamps with two types
of quartz spliced together to produce specific amounts of ozone. Our ozone
disinfection lamps provide many benefits including:
·
High-quality quartz glass construction
·
Effective deodorization and oxidation
·
Customized proprietary design options available
·
Effective in a wide range of air and water sterilization applications
The
combined strengths of LightTech in Europe with LightSources in the United
States allows the LightSources Group the ability to support OEMs worldwide with
vast resources and high-tech lamp solutions. By offering a wide selection of
standard products as well as customized solutions, our clients maintain
replacement sales within their OEM market for increased revenue and repeat
business.
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