How accurate is phone Lux meter?

The median deviation from the reference value measured by all the apps on the Android smartphones and on the Windows phones was on average 60% above the reference value. The median deviation of all values measured with all the different iphones was approx. 60% below the reference value.

What electronic device measures light intensity?

light meter
Light intensity can be measured using a light meter. Its light-sensitive panel contains sensors that trap the light to measure it, displaying the reading on its screen.

What is the best light meter app for Android?

The myLightMeter Pro App My Light Meter Pro is the easiest to use and most streamlined light meter application I have used thus far, and is extremely reliable. This app has been my companion on every shoot I’ve done for the last year or so and has been the best light meter app to use for my film photography.

Is lux and lumens the same?

Relationship between Lumens & Lux One lux (1 lux) is defined as being equivalent to one lumen spread over an area of one square metre. To put it another way: A specification in lux tells you how many Lumens (total light output) you need given the measured area you are trying to illuminate.

What’s the difference between lux and lumens?

How much lux do I need?

Recommended Light Levels by Space

Bedroom – Dormitory 20-30 FC 200-300 lux
Cafeteria – Eating 20-30 FC 200-300 lux
Classroom – General 30-50 FC 300-500 lux
Conference Room 30-50 FC 300-500 lux

How accurate is photone app?

Again the Android Apps were not reliable but the Photone App on IOS was consistent. The result was lower than the Quantum sensor reading by 10% so you can use this factor to adjust your readings with the app for this grow light spectrum.

Is 5000 lux the same as 5000 lumens?

The difference between lumen and lux is that the lux takes into account the area over which the luminous flux (lumens) is spread. A flux of 1000 lumens, concentrated into an area of one square metre, lights up that square metre with an illuminance of 1000 Lux.

What is the light intensity Monitor app?

Using multiple device sensor inputs, this small, convenient app collects light intensity data at the click of a button. It is indispensable when using a manual or film camera, without the need for expensive instruments that often cost hundreds of dollars.

What is light meter app?

Light meter in your pocket! The only app you really need to measure light intensity. Calibrated with professional Illuminometer. Please note that Light Meter app is not a replacement for a professional device and should be used for private purposes only.

How does the app measure light levels?

The app is using Neural Networks to measure light levels. Since we don’t have access to the light sensor directly we have to approximate measurements from camera readings. And you’re right i’m using brightness level to measure but not only.

What is the best light meter for indoor use?

Verdict: Lux Light Meter is quite a handy lighting measurement tool that is perfect both for indoor and outdoor use. This app uses several light sensors to show mean and maximum values in Lux and FC. You need just to click one button for Lux Light Meter to display lighting levels data.