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Light Meter

Light Meter

100,000 - 500,000 downloads

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

Features:
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■ 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:
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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).

Tags: light meter, lightmeter, light meter image, analogue light intensity meter, meter class, light meter vintage, light meter analog, htc wildfire s luxmetre, lux meter, cka4at light meter.

Recently changed in this version

V2.1 changes: Added light color measurement option, new calibration values and UI changes.


Comments and ratings for Light Meter
  • (59 stars)

    by FX Suprapto on 26/05/2014

    Tried some simillar apps and found this one as the best with galaxi S5

  • (59 stars)

    by ritesh bhirud on 24/05/2014

    Nice app

  • (59 stars)

    by Ivan Tosic on 03/05/2014

    Nice and rather correct lux meter. Great for amateur use.

  • (59 stars)

    by Rajesh V.P on 23/04/2014

    I used this app, and tested with a light source from a distance. Initially it displayed lux 560. Then just turned off the light wait for some time.and try again. I got bezaire values like 900,360,540.... Unreliable - atleast on my Galaxy S i9003.

  • (59 stars)

    by Gary Tse on 22/04/2014

    It works on my HTC sensation, and it's fast

  • (59 stars)

    by Marko Krivograd on 19/04/2014

    And useful

  • (59 stars)

    by d petersen on 18/04/2014

    It provides one reading and does not alter from that first reading no matter what changes in lighting occur