Wavelength Range: UVB sensors are specifically designed to detect UVB radiation within the wavelength range of 280 to 320 nanometers.

It is widely known that ultraviolet (UV) radiation is prevalent in the natural environment, primarily originating from solar. While most UV radiation is absorbed by the Earth’s atmosphere and the ozone layer, a portion of it reaches the Earth’s surface. Moderate exposure to UV radiation is beneficial for both human health and ecosystems, but excessive UV exposure can be harmful. Although the human eyes cannot perceive the presence of UV radiation, UV sensor can be employed to monitor its intensity, providing valuable information to assess the potential risks associated with UV exposure.

Scientists have discovered that UV radiation with a wavelength around 310nm has a strong effect on skin pigmentation, accelerating skin metabolism and promoting skin growth. This can be effective in treating photodermatoses such as vitiligo, polymorphous light eruption, chronic eczema, and light-sensitive itching rash. Therefore, in the medical field, UV therapy is increasingly utilized. When using this therapy, it’s crucial to monitor the intensity of UV radiation, necessitating the use of UV sensors for monitoring.

Light pipevs fiber optic

Depending on the design of the UV sensor, some meteorological UV sensors require installation at specific heights to ensure the accuracy of measurement results. Additionally, certain UV sensors are susceptible to environmental influences, such as buildings and vegetation. Installing them at specific heights can minimize the impact of environmental factors on measurement results.

Choose an open and unobstructed location for UV sensor placement at the measurement site to ensure the sensor can receive radiation from UV sources. Additionally, ensure that the UV sensor remains unshaded throughout the day, as it needs to measure radiation from various directions. This is crucial for accurately measuring the UV levels in the specified area.

Applications: UVC radiation has germicidal properties, making these sensors commonly used in UV disinfection devices to ensure proper UV exposure.

Light PipeLED

After installation, conduct testing and calibration following the product manual. Regularly calibrate the sensor as per the manufacturer’s recommendations. In case of any issues, promptly contact technical support.

Fiber opticLight Pipe

Wavelength Range: UVA sensors are designed to detect ultraviolet radiation within the wavelength range of 320 to 400 nanometers.

In this international project, the challenge was to flood the interior of the station at Potsdamer Platz with daylight. Thanks to Heliobus Light Pipe , this problem was solved brilliantly: it is not only bright in the basement, but also an architectural highlight for tourists and residents.

The listed building is in a prime location on the Bosporus. Many interior rooms could not be sufficiently supplied with daylight. In close cooperation between the architect and the Heliobus daylight engineers, a light pipe was created over four floors. This provides the dark rooms with daylight and convinces with its aesthetic design at night.

Ultraviolet (UV) is a collective term encompassing radiation across the entire UV wavelength spectrum. Depending on different wavelength ranges, UV can be further divided into three distinct types: UVA (Long-wave Ultraviolet), UVB (Medium-wave Ultraviolet), and UVC (Short-wave Ultraviolet). Accordingly, sensors used to measure UV intensity are primarily categorized into three types.

Flexiblelight pipe

The measurement principle of a UV (Ultraviolet) sensor is based on the radiation characteristics of ultraviolet light. Ultraviolet light has a wavelength range of 100 to 400 nm and is a highly penetrating, high-energy electromagnetic wave. UV radiation has a significant impact on human health, and prolonged exposure to UV radiation can lead to diseases such as skin cancer and sunspots. Therefore, UV sensors find wide applications in environmental monitoring, UV radiation dose measurement, UV sterilization, and other fields.

The working principle of a UV sensor is based on the radiation of ultraviolet light. When ultraviolet light irradiates the surface of the sensor, photons will excite electrons, and these electrons will be measured by the sensor. There are two types of UV sensors:

Applications: UVB radiation has a significant impact on the skin, so these sensors are commonly used to measure UVB radiation in sunlight to assess the level of UV danger.

Applications: Primarily used for measuring UVA radiation in sunlight, as this wavelength range of UV has relatively minor effects on the skin and eyes.

Contact Person: HelenPhone: +86 15628902292Email: Helen@tempandhumidity.comAddress: High – Tech Zone, Jinan, Shandong, China

Light pipephysics

A UV (Ultraviolet) sensor is a detector capable of sensing the intensity of ultraviolet radiation. It can measure both the intensity and wavelength of UV radiation, serving the purpose of detecting and monitoring the levels of ultraviolet radiation in the environment.

Connect the power and signal lines of the UV sensor according to the manual, securing them to prevent looseness or poor contact. Minimize cable crossovers to avoid electromagnetic interference. If the sensor is installed in a humid environment, ensure proper moisture protection for the cables.

The UV flame detector detects fires by sensing ultraviolet radiation generated during the combustion of substances. In addition to UV flame detectors, there are also infrared flame detectors available in the market. UV flame detectors are suitable for locations where open flames are likely to occur during a fire. They can be used in places with strong flame radiation during a fire or in locations with no smoldering phase. UV flame detectors with UV radiation sensors require the sensor itself to be high-temperature resistant and highly sensitive.

A heliostat follows the sun and redirects the sunlight into a hollow light guide that transports the sunlight over many metres to where it is needed. The targeted deflection into the desired zones is usually done through a glass tube. However, square light guides can also be used . Object-specific extractors in combination with a special foil distribute the transported light and emit it to the surroundings. If there is no sunshine, e.g. on a cloudy day or at night, artificial light can be switched on to illuminate the Light Pipe .

Light Pipes are pure sunlight systems. They therefore only work with direct sunlight. The sunlight is deflected into a hollow light guide by means of a mirror that tracks the sun, the so-called heliostat, and transported over many metres to where it is needed, as is already the case with Light Guide. The targeted deflection in the desired zones is usually done by means of a glass tube. Square light guides can also be used. Object-specific extractors in combination with a special foil distribute the transported light and emit it to the surroundings. If there is no sunshine, e.g. on a cloudy day or at night, artificial light can be switched on to illuminate the light pipe.

High-voltage equipment can experience arc discharges due to insulation defects, accompanied by a significant amount of light radiation, including rich ultraviolet (UV) light. By detecting the UV radiation generated during arc discharges, the safety status of high-voltage electrical equipment can be assessed. UV imaging is an effective method for detecting arc discharges and has excellent detection and localization capabilities. However, UV signals are relatively weak, posing some challenges in the detection process.

Lightpipes in buildings

Image

Wavelength Range: UVC sensors are designed to detect UVC radiation within the wavelength range of 100 to 280 nanometers.

Ultraviolet (UV) recognition technology primarily utilizes UV sensors to detect the fluorescent marks and anti-counterfeiting features on banknotes, as well as the dullness reaction of banknotes. This type of recognition technology can identify most counterfeit bills (such as washed, bleached, or pasted bills). It is employed not only in ATM deposit recognition but also in financial equipment like currency counters and counterfeit detectors. Typically, fluorescence and UV light are used for comprehensive detection of banknotes. The authenticity of banknotes is determined by distinguishing their different absorption and reflection rates of UV light compared to other paper.

The Light Pipe and the Light Guide bring daylight into interior, dark rooms. While functionality, i.e. the idea of lighting, is in the foreground with the Light Guide , the design idea dominates with the Light Pipe .