Lux meter on phones


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Lifetime Member
Nov 16, 2015
Hi, i know it may sound a bit crazy but I found a lot of applications on google play store for android phones with different types of lux meter applications.

These applications are able to measure lux with the light sensor or camera depending on the phone type/model , samsung , htc ......etc

Does anyone know how accurate or bad are these applications or anyone has any experience with these?

I know I cannot submerge my phone under water to measure lux on the tank bottom but at least I can measure on water surface

Also, anyone knows what is considered low / medium / high light measured in lux ? Asking this because from what i know lux cannot be converted to PAR

All i want is asking for opinions or experience of these applications

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