Light Meter

Light Meter


_▒▓▒_ Light Meter _▒▓▒_
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Professional light intensity (lux) meter for your device.
It measures illumination levels in lux.

Features:
───────
■ direct reading in lux
■ 0 to 1000lux in 2 ranges
■ up to 300000lux in ICS+
■ automatic range change
■ support for neutral filters
■ 5% max error (device dependent)
■ predefined and custom calibration
■ sensor linearity correction option
■ alternative display in fc (foot-candles)
■ display of light color temperature in K
(available only on supported devices)
■ realistic vintage analog look
■ tablet support
■ 18 case skins
■ free

NOTE:
─────
This app requires devices with a light sensor. It uses native light sensor data acquisition that gives accurate and instant light intensity reading. This type of native data acquisition is available for many supported devices.

Other devices are also supported by the built-in compatibility mode but the accuracy and the speed of light intensity reading may be limited and custom calibration is required for correct reading under compatibility mode.

Custom calibration procedures are described on the following page:

http://trajkovski.net/lmeter/support.html

Also, on some devices the light sensor may not be linear, not continuous and measuring errors will occur or the maximum measuring range may be limited. This is not app's fault.

This app also provides a light color temperature measurement in K (degrees Kelvin) that is only supported on devices employing color light sensor. On all other devices the display shows n/a (not available).

Recent changes:
V2.2 changes: Bugfixes and improvements.
Add to list
Free
74
3.7
User ratings
2233
Installs
100,000+
Concerns
0
File size
3028 kb
Screenshots
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About Light Meter
_▒▓▒_ Light Meter _▒▓▒_
▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔
Professional light intensity (lux) meter for your device.
It measures illumination levels in lux.

Features:
───────
■ direct reading in lux
■ 0 to 1000lux in 2 ranges
■ up to 300000lux in ICS+
■ automatic range change
■ support for neutral filters
■ 5% max error (device dependent)
■ predefined and custom calibration
■ sensor linearity correction option
■ alternative display in fc (foot-candles)
■ display of light color temperature in K
(available only on supported devices)
■ realistic vintage analog look
■ tablet support
■ 18 case skins
■ free

NOTE:
─────
This app requires devices with a light sensor. It uses native light sensor data acquisition that gives accurate and instant light intensity reading. This type of native data acquisition is available for many supported devices.

Other devices are also supported by the built-in compatibility mode but the accuracy and the speed of light intensity reading may be limited and custom calibration is required for correct reading under compatibility mode.

Custom calibration procedures are described on the following page:

http://trajkovski.net/lmeter/support.html

Also, on some devices the light sensor may not be linear, not continuous and measuring errors will occur or the maximum measuring range may be limited. This is not app's fault.

This app also provides a light color temperature measurement in K (degrees Kelvin) that is only supported on devices employing color light sensor. On all other devices the display shows n/a (not available).

Recent changes:
V2.2 changes: Bugfixes and improvements.

Android Market Comments
A Google User
5 days ago
Works good, but needs to have an insert box that shows what the camera is looking at to be sure that it is aimed at the right object.
A Google User
Aug 19, 2015
nice app
A Google User
Aug 19, 2015
Works great on hps bulbs Thank you now I know how far to put my hps bulb on my plants
A Google User
Aug 14, 2015
Nice Wish all apps could follow this norm.....
A Google User
Aug 5, 2015
Cheating Nothing to do