What is an Illuminance Sensor?

An illuminance sensor is a device that measures the intensity of visible light in a given area. It is widely used in applications such as smart lighting, photography, and energy management systems.

How Does It Work?

Using photodiodes or phototransistors, the sensor converts light energy into an electrical signal. This data is then processed to provide accurate illuminance readings in lux units.

Key Applications

Common uses include automatic brightness adjustment in displays, outdoor lighting control, and optimizing energy efficiency in smart buildings.

Frequently Asked Questions

What is the difference between illuminance and luminance?

Illuminance measures incident light, while luminance refers to emitted or reflected light intensity.

Can it work in low light?

Yes, high-sensitivity models are designed for precise low-light detection.

Benefits of Using Illuminance Sensors

They enhance user comfort, reduce energy costs, and support sustainability initiatives through intelligent light management.

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