Class Types for appliances consider the insulation system of the product. It specifies measures to prevent dangerous contact voltages on unenergized parts of the electronic device. According to the measures, it can be divided into four Clas...
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What is Eco-design? On 1 September 2021, a new EU regulation came into force with new or revised and adapted eco-design rules. The main purpose of eco-design is to reduce the overall environmental impact of a product (or service). The term...
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“LoRa is a modulation technique for specific wireless spectrum, while LoRaWAN is an open protocol that enables IoT devices to use LoRa for communication”. LoRa LoRa, or Long Range, is a proprietary, low-power and long-range wireless te...
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When we talk about LED Lightings, there are several important units that we often see: Lux, Lumen and Candela. These units are often used interchangeably. This gives confusion about the quality and application of lighting. It is also diffic...
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Surge Protection Overview Voltage surges have a huge destructive impact upon electronic equipment, including LED lighting systems. They wear out LED drivers and distribution panels prematurely and increase service interruptions to LED light...
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The Salt Spray Test is a standardized test which allows one to compare the relative corrosion resistance of different coatings in conditions that try to mimic the true corrosive environment. However, this instigated corrosion is accelerated...
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Cat M1 and NB-IoT are two of the most popular IoT connectivity options right now. Understanding the Applications and the difference is important to find the right technology to support specific Applications. The rise of the Internet of Thin...
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LM-79, LM-80 and TM-21 are standardized documents that list recommendations on the assessment of maintenance of the luminous flux for LED-based lighting. What differentiates one Lumen Maintenance from the other? How can these documents im...
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Maintenance factor occurred by the aging or pollution of the lamp. It is the multiplier that expresses the decrease in light output. Maintenance factor refers to the loss of light that occurs over time and is also known as loss factor. Duri...
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LED light distribution, or the projected pattern of light from a specific fixture, comes in several patterns or types. Selecting the proper distribution type is a key step for any application as it not only enhances light levels but can als...
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IP Degree of protection IP means Ingress Protection. They are regulated by the IEC, in whose regulations (IEC 60529) the requirements for the classification of the different degrees of protection of the enclosures of electrical and electron...
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WSL provides its customer with professional lighting design solutions for free. WSL has a team of dedicated and experienced lighting designers, who are able to design everything from a simple calculation plot to a full, complex 3D visualiza...
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A goniophotometer is an instrument for measuring light distribution in terms of the luminous intensity or illuminance distribution of a light source, a luminaire, a self-luminous display, or a surface by changing the position of a photomete...
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WATT SOLID STATE LIGHTING is going to release one new LED Horticulture light , here we introduce some products details FYI . Product Features Specifically designed to optimize plants cultivation and enhance productivity. Optimized for all g...
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WATT SOLID STATE LIGHTINGCO .,LTD has completed the upgrade of the LED floodlight by the end of May ,2021, new version LED floodlight will start mass production at the beginning of June ,2021. New version LED Floodlight maintains the same f...
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The LED Retrofit kit is for the conversion to LED of already installed fixtures. It is a very simple way to keep the original street light fixture, but change the internal light source. Advantages of the LED Retrofit Kit The LED Retrofit ki...
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Watt solid state lighting is going to release one new LED street light on June 2021. Now this new street light is under last testing process. The new LED street light is very flexible no matter on mechanical or on technical. The exterior de...
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Taiwan Double Tenth Day is to commemorate the 1911 Wuchang Uprising, a milestone of China’s politics development and a new chapter in the history of the Chinese which led to the collapse of the Qing Dynasty. On the 10th of October each ye...
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In 2021, the Mid-Autumn Festival will fall onSeptember21st (Tuesday). Mid-Autumn Festival is held on the 15thday of the eighth month of the Chinese calendar, which is in September or early October in the Gregorian calendar. On the 15th of t...
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The Double Seventh Festival (Qixi Festival) is one of Chinese traditional festivals, and also known as aChinese Valentines Day. Its based on a romantic legend about the weaver girl and cowherd. It falls on the 7th day of the 7th Chinese lun...
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