速報APP / 工具 / Lighting Calculator

Lighting Calculator

價格:免費

更新日期:2018-12-21

檔案大小:2.3M

目前版本:3.1.3

版本需求:Android 4.1 以上版本

官方網站:mailto:xtelltechnologies@gmail.com

Email:http://xtelltechnologies.blogspot.com/2018/07/privacy-policy.html

Lighting Calculator(圖1)-速報App

Lighting Calculator

Calculate the required number of Light fittings, for a specific Room in seconds.

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Lighting Calculator(圖2)-速報App

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Lighting Calculator(圖3)-速報App

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Lighting Calculator(圖4)-速報App

lighting level calculator

Measurement of light or photometry is generally concerned with the amount of useful light falling on a surface and the amount of light emerging from a lamp or other source, along with the colors that can be rendered by this light. The human eye responds differently to light from different parts of the visible spectrum, therefore photometric measurements must take the luminosity function into account when measuring the amount of useful light. The basic SI unit of measurement is the candela (cd), which describes the luminous intensity, all other photometric units are derived from the candela. Luminance for instance is a measure of the density of luminous intensity in a given direction. It describes the amount of light that passes through or is emitted from a particular area, and falls within a given solid angle. The SI unit for luminance is candela per square metre (cd/m2). The CGS unit of luminance is the stilb, which is equal to one candela per square centimetre or 10 kcd/m2. The amount of useful light emitted from a source or the luminous flux is measured in lumen (lm).

Lighting Calculator(圖5)-速報App