What is Luminance
Luminance is the amount of light that is emitted, transmitted through, or reflected from a surface. It is a measure of the brightness or intensity of light and is typically expressed in candela per square meter (cd/m²) or nits. Luminance is an objective and quantifiable characteristic that can be measured using specialized equipment.
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- रिसेस्ड सीलिंग-माउंटेड माइक्रोवेव मोशन सेंसर स्विच
- 100-265 VAC line-voltage input, 5A model
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- 220V पावर के लिए सीलिंग-माउंटेड RZ037 PIR ऑक्यूपेंसी सेंसर डिमर
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- LUX बटन लाइट-सेंसर ऑन/ऑफ और उपयोगकर्ता-निर्धारित डिमिंग ब्राइटनेस को नियंत्रित करता है
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- 330W रेटेड लोड के साथ 3A अधिकतम कार्य करंट
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- Low-voltage DC ceiling-mounted microwave motion sensor switch
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- छत-माउंटेड माइक्रोवेव मोशन सेंसर स्विच
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- Higher-load recessed ceiling mount PIR motion sensor switch
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- Wireless switch and receiver kit for indoor ON/OFF lighting control
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- 12–24V DC (10–30VDC), up to 10A
- 360° coverage, 8–12 m diameter
- Time delay 15 s–30 min
- Light sensor Off/15/25/35 Lux
- High/Low sensitivity
- Auto-ON/Auto-OFF occupancy mode
- 100–265V AC, 10A (neutral required)
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- 100V-230VAC
- Transmission Distance: up to 20m
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- Hardwired control
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- Day/Night Mode
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- EU plug power adapter
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Luminance is used to assess the performance and quality of lighting fixtures, displays, and surfaces. By measuring the luminance of different light sources, one can determine their efficiency and effectiveness in providing adequate illumination.
In architectural lighting design, luminance is used to determine appropriate lighting levels and uniformity. By considering the luminance values of different surfaces and objects, lighting designers can create lighting schemes that enhance visibility, aesthetics, and comfort.
Luminance is distinct from brightness, which is a subjective perception of light intensity by the human eye. While luminance is a measurable quantity, brightness is influenced by various factors, including the luminance of the object, the surrounding environment, and individual visual perception.
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