New marine searchlight enters market
The ColorLight concept, patent pending, claims to be the most modern within marine searchlight technology as it combines latest technical development and creative thinking in order to make navigation/ manoeuvring safer, search and rescue missions quicker and oil spill damages smaller and helicopter landing safer.
Chalmers has introduced this new product to the Middle East Market earlier this month. It believes the product being the first of its kind in this market is bound to help mariners’ safety and security.
The dual head construction of this searchlight can house halogen and UV-light at the same time, doubling the function.
The ability to rotate endlessly, vertical and horizontal, at the same time increases the usefulness of the searchlight.
“The white light performance is extraordinary in both distance, light value and light beam area and the UV-light performance is spectacular in poor visibility conditions such as darkness, rain, snow and fog” promise sources at Chalmers.
 All models are IP66 and built of acid-proof stainless steel and other seaworthy materials. Modern design suits most ships.
Detecting Oil Spills
Detecting an oil spill at sea can be difficult even in broad daylight. In darkness and under severe weather conditions, it can be an almost impossible task.
Now, however there is good reason to believe that ultraviolet (UV) light can solve the problem. An innovative type of searchlight, easily installed on boats, aircraft or on land, offers an effective tool for oil-spill detection.
 The searchlight's special-frequency ultraviolet light - sometimes called a "black light" - cuts through darkness, fog, rain and snow. Oil spills that were previously impossible to detect can now be discovered at an early stage, thus offering greater environmental and financial benefits. The secret behind this technological breakthrough derives from a simple fact: oil is fluorescent. In darkness, when UV light is directed at an oil film on water, the oil fluoresces is bright colours. Fluorescence occurs when certain materials or substances are irradiated by a short-wave light source. The illuminated object retains the short-wave radiation for some millionths of a second, after which it is reflected as visible, longer-wavelength light. The reflected light can appear as violet, blue, green or any other colour in the visible spectrum.
During the past few years, ColorLight has collaborated on product development with Göran Manneberg, Assistant Professor at The Royal Institute of Technology (KTH) in Stockholm.
Helicopter Landing
Landing a helicopter in daylight is difficult enough. Darkness adds complications, not to mention rain, snow and fog.
When the pilot switches on the approach lights onboard the helicopter, rain, snow and fog may cause disturbing reflections and reduce visibility.
With a fixed installation of the ColorLight UV CL04-02 in the vicinity of the helicopter platform, visibility disturbances will disappear, say sources. The circle and the H on the landing spot, having been prepared with a fluorescence coating, will shine clearly, allowing superior visual contact all the way down to a safe landing. The UV-light eliminates the use of white light in the landing operation, thus reducing the risk of reflections disturbing the night vision ability. The ColorLight system hopes to contribute to increased flight safety.
Search and Rescue
Search and Rescue missions in poor visibility conditions can be a matter of life and death where time is the crucial factor. By using the ColorLight UV-concept the chances to find persons in water increases. If they wear modern life vests they glow in the darkness but also normal light-shaded clothing like shirts and blouses may react as the whitening in agent in detergents contains fluorescent pigments |
Posted by Editor Offshore Arabia Magazine
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