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8 Posts in this encyclopedia categoryCanopy Explained: Function, Types, Materials & Selection
A canopy is the ceiling cover through which a pendant luminaire, cable system or other suspended luminaire is mounted. It conceals the electrical connection and provides a clean visual finish at the ceiling.
Casambi Explained: Smart Lighting Control via Bluetooth – Function, Benefits & Applications
Casambi is a wireless lighting control system based on Bluetooth Low Energy (BLE). Luminaires automatically connect to form a mesh network and can be dimmed via app, organised into scenes and automated with timers, daylight sensors or presence sensors. No Wi-Fi, no internet connection and no additional gateway is required. Casambi works without any extra wiring, making it particularly well suited for retrofitting in existing buildings.
Chintz lampshade explained: sheen, light, and elegance from cotton
Chintz is a densely woven cotton fabric with a characteristic high-gloss finish – the classic material for elegant lampshades. The sheen is created through calendering, and a white laminate backing reflects light evenly inward. Chintz shades are available in a wide range of colours and are considered a timeless standard for table lamps and pendant luminaires.
Coastal Grade Explained: Corrosion Protection for Outdoor Luminaires Near the Coast
Coastal grade refers to a particularly corrosion-resistant surface treatment for outdoor luminaires, developed for use near the coast and in salt-laden environments. IP44.DE offers selected luminaire models with a coastal grade finish that is tested for over 1,000 hours in the salt spray test in accordance with DIN EN ISO 9227. IP44.DE provides a five-year guarantee against weather-related corrosion on aluminium parts for these models.
Colour Rendering Index (CRI/Ra) – Meaning, Values and Applications
Der Farbwiedergabeindex Ra (englisch Colour Rendering Index , CRI) beschreibt die Qualität einer Lichtquelle im Hinblick auf ihre Farbwiedergabe. Er gibt an, wie farbecht beleuchtete Gegenstände...
Crescent gas burner explained: the burner shape for even pizza heat
The crescent gas burner is a semicircular burner unit in gas pizza ovens that heats the baking chamber from multiple sides simultaneously. Compared to simple rear burners, it produces a rolling flame that ensures even heat distribution and short baking times – similar to a traditional wood-fired oven.
CRI / Ra Value Explained: Colour Rendering in Lighting
The Ra value (also known as CRI) indicates on a scale from 0 to 100 how naturally colours are rendered under a light source. An Ra value of 100 means perfect colour rendering. For living spaces, a minimum Ra value of 80 is recommended; for demanding applications such as kitchens, bathrooms and workspaces, a value of 90 or higher is advisable.