UV point source HP-120i
The HP-120i is a high-intensity short arc light source for quick UV spot curing within seconds. The microprocessor-controlled 120 W lamp emits from 280 to 700 nm and reaches UV-A irradiances of up to 15,000 mW/cm² depending on the light guide. As a „cold“ light source it minimizes heat transfer into the material, because ineffective red and near-infrared radiation is absent.
The spotlight source uses fiber-optic cables in various configurations for flexible irradiation of one to four points.
To verify the irradiance actually applied, our UV meters and radiometers are suitable.
The exposure time can be set through a digital timer with a resolution of 0.1 s. The shutter can also be switched by a foot switch or via a PLC system controller by an external contact.
The typical lamp life is 2,000 hours. To achieve uniform irradiation, the lamp power is stabilized.
For irradiance calibration, we recommend using the RM-12 radiometer with a UVA sensor that is calibrated against a PTB reference.
Highlights of UV point source HP-120i
- Irradiance of up to 15 W/cm² depending on the light guide
- Integrated shutter and timer for precise dose control
- Lamp lifetime of 2000 h (typical)
- Single and multi-spot light guides
- Timer and trigger functions adjustable
- Graphical display
Applications of UV point source HP-120i
- UV curing, bonding, gluing and sealing
- Irradiation of biological, pharmaceutical and medical samples
- Materials testing
- Fluorescence excitation
Technical data of intense UV spot light source HP-120i
| UV/VIS emission | ~ 8 W |
| UV-A emission | > 4 W |
| Wavelength | 280–700 nm |
| Single light guide | Ø 5 or 8 mm |
| Multiple light guides | Ø 3 mm |
| Light guide, length | 1 m, optionally up to 4 m |
| Lamp power | 120 W |
| Lamp lifetime | 2000 h (typical) |
| Dimensions | 305 mm x 358 mm x 145 mm |
| Weight | ~ 8.2 kg |
| Mains | 110–230 VAC, 50/60 Hz |
| Classification | risk group 3 according to DIN EN 62471:2009-03 |
| Operating temperature | 5 to 40 °C |
| Storage temperature | -10 to 60 °C |
| Humidity | below 80 %, non-condensing |
Irradiance and spectrum
The irradiance drops steeply with the distance while the irradiated spot grows. The curve applies to the single light guide with a diameter of 8 mm:
Directly at the light guide the irradiance is about 10,000 mW/cm², at a distance of 100 mm about 100 mW/cm² and at 500 mm about 5 mW/cm². The spot diameter grows from a few millimetres to about 400 mm. Up to 15,000 mW/cm² can be reached with a different light guide configuration; these are orientation values.
The 120 W lamp emits from 280 to 700 nm - high-intensity UV-A radiation and blue light, without the ineffective red and near-infrared components. This keeps the heat input into the material low.
The measured spectrum is available in our spectral database under high-pressure mercury lamp (with light guide) for download.
Safety instructions
The device emits UV radiation and intense visible light. UV radiation is invisible and harmful to skin and eyes. It can cause cataracts in the lens of the eye, inflammation of the retina and conjunctivitis. Do not look into the light source with unprotected eyes and always wear suitable UV protective goggles when operating the device.
UV radiation also causes skin discolouration, erythema and skin ageing; use suitable clothing, gloves or sunscreen - depending on the irradiation dose.
The devices are designed and classified according to DIN EN 62471:2009-03 "Photobiological safety of lamps and lamp systems"; the HP-120i falls into risk group 3.
We are glad to support you in setting up UV workplaces and with the risk assessment according to DIN EN 14255:2005.
Order numbers, scope of delivery, accessories and versions
| Version | Order number |
|---|---|
| HP-120i | 860517 |
Scope of delivery: the HP-120i, the original lamp and the mains cable; choose the light guide to suit the task.
| Version | Order number |
|---|---|
| Single light guide, Ø 8 mm | 860514L1 |
| 2-fold light guide, Ø 3 mm | 860514L2 |
| 3-fold light guide, Ø 3 mm | 860514L3 |
| 4-fold light guide, Ø 3 mm | 860514L4 |
The single light guide has a diameter of 8 mm, the multiple light guides 3 mm each. Standard length 1 m, on request up to 4 m.
| Designation | Order number |
|---|---|
| Condenser f = 25 mm | 860514/C |
| Foot switch | 860515/FS |
| Shutter monitoring | 860514SH |
| UV protective goggles | 918800 |
The UV protective goggles protect the eyes and the surroundings from stray radiation; the light source is classified in risk group 3 according to DIN EN 62471.
| Designation | Order number |
|---|---|
| Spare lamp | 860514/LQ |
The typical lamp lifetime is 2,000 h.
Work in which the HP-120i UV point light source was used:
- Application of electrospun chitosan-based nanofibers as immobilization matrix for biomolecules — Christ, H.; Daniel, N. P.; Solarczek, J. et al. · Applied Microbiology and Biotechnology · 2023
- The growth of Escherichia coli cultures under the influence of pheomelanin nanoparticles and a chelant agent in the presence of light — Fuentes-López, D.; Ortega-Zambrano, D.; Fernández-Herrera, M. A. et al. · PLOS ONE · 2022
- A Contactless Solid Surface Temperature Determination Using Phosphor Thermometry — 2021
- Photophysics of photothermal activation of plasmonic nanostructures — O'Neill, D. B. · 2021
The details come from Crossref. Authorship and content rest with the respective research groups.
These are the rules most often consulted in practice for UV point light sources — from measurement through limits to the requirements on the device:
- DIN EN 62471:2009-03 — Photobiological safety of lamps and lamp systems
- DIN EN ISO 3059 — Non-destructive testing — Penetrant testing and magnetic particle testing — Viewing conditions
- ASTM E1417/E1417M — Standard Practice for Liquid Penetrant Testing
All rules for UV point light sources are listed in the standards finder.
Not a normative reference. What counts is always the currently valid edition in the original text.
