Lux Meter

Android phone has a light (illuminace) sensor.
Lux Meter is a simple light meter for measuring illuminances (lux, fc) by using the light sensor of the device. LightMeter's reflected light meter only works with devices.
This sensor is visible on the face of the device. So you can easily use it. Just put it close to the light.
This light meter app reports its values in lux value, and has a typical dynamic range between 1 and 30,000 lux level.
But some devices the light sensor may not be linear and not be so accurate. And some earlier devices do not have a light sensor.
***Features***
- Direct reading in lux.
- Support maximum and minimum lux values.
- Make cool graphical charts of Lux intensity.
- Guidance for recommended light level in different work spaces like rooms hotels offices museums and other residential areas.
- Custom calibration of light.
- Keep calibration factor in preference.
Note: Be aware that the accuracy of the light sensor vary between different devices and values shown in this application are indicative.