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Rainbow-Light Illuminance Introduction

Rainbow-Light is Taiwan supplier and manufacturer in Optical measuring instrument appliance industry. Rainbow-Light has been offering our customers high quality Spectrometer, UV spectrometer, Infrared Spectrometer, Visible Spectrometer, Fiber Spectrometer, Integrating Sphere, Goniophotometer, Color Measurement, Absorbance Spectrometer, Transmittance Spectrometer, Reflectance Rate Spectrometer, Material Identified Instrument since 2012. With both advanced technology and 20 years experience, Rainbow-Light always make sure to meet each customer's demand.


Rainbow-Light Mini-Luxmeter (LUX)
Rainbow-Light Mini-Luxmeter (LUX)

Illuminance (E)(lx)

It is a measure of how much the incident light illuminates the surface. Illuminance was formerly often called brightness, but this leads to confusion with other uses of the word. “Brightness” should never be used of quantitative description, but only for non-quantitative references to physiological sensations and perceptions of light.

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  • Mini-Luxmeter (LUX) - Rainbow-Light micro radiometer (LUX), whenever and wherever possible the measure that is obvious, lightweight, portable, essential household lighting environment confirm good products.
    Mini-Luxmeter (LUX)

    Home lighting is generally recommended for illumination between 300 ~ 500 and lux. Some daily representative illuminance: