About LED Light Flicker Meter
Have you experienced eye strain, headache, migraine or other symptoms from being exposed to flickering lights or screens? Use this app to measure which lights or screens are flickering and how much and which are...
Have you experienced eye strain, headache, migraine or other symptoms from being exposed to flickering lights or screens? Use this app to measure which lights or screens are flickering and how much and which are flicker-free!
This app measures flickering of light that are flickering/blinking so quickly so that we cannot usually see it with our eyes. But it can still have a negative affect on us - eye strain, headaches, migraines and even epilepsy seizures are reported as consequences of flickering lights. With this app you can measure if your LED lamps, LED bulbs, fluorescent tube lights and screens are flickering and how much.
How to Use the App?
Place the phone in a position so that the camera is facing a surface, such as a white paper, an evenly colored wall or a floor, that is lighten by the light source you want to measure the flickering from. It is very important to let the phone stand still during the measurements as movement can cause the meter to measure a too high flickering value.
What is a Flickering Percentage?
The percentage flickering is the apps estimation of the difference between the maximum and minimum light output from a light source. A flickering measurement value of 25% means that the minimum light varies between 75% and 100% light output. A light that switches off completely in each cycle will have a flickering measurement of nearly 100%. A light that does not vary in light output will have a flickering measurement of nearly 0%.
How Accurate are the Measurements?
As long as the phone during measurements is standing absolutely still, without any movements and are directed towards an even surface, the accuracy seems to be within plus/minus five percentage points under normal circumstances on most devices.
Contact
I am always interested in hearing from you. Feel free to contact me with questions, complaints and improvement ideas. I try to answer all emails.
[email protected]
Previous Versions
Here you can find the changelog of LED Light Flicker Meter since it was posted on our website on 2023-12-12 15:21:22.
The latest version is 1.4.4 and it was updated on 2024-04-19 17:26:00. See below the changes in each version.
LED Light Flicker Meter version 1.4.4
Updated At: 2024-03-26
Changes: • Improved explanation texts within the app.
Questions or suggestions? Write to me att
[email protected]
If you like the app, please review it - thank you!
LED Light Flicker Meter version 1.4.2
Updated At: 2024-02-09
Changes: • Improved layout for devices with an enlarged font size.
• Better graph representing the flickering percentage.
• Camera initialization fix for certain devices.
Questions or suggestions? Write to me att
[email protected]
If you like the app, please review it - thank you!
LED Light Flicker Meter version 1.4.3
Updated At: 2024-02-09
Changes: • Misc minor improvements.
Questions or suggestions? Please write to me at
[email protected]
LED Light Flicker Meter version 1.4.1
Updated At: 2024-01-26
Changes: • Improved layout for devices with an enlarged font size.
• Better graph representing the flickering percentage.
Questions or suggestions? Write to me att
[email protected]
If you like the app, please review it - thank you!
LED Light Flicker Meter version 1.4.0
Updated At: 2023-12-31
Changes: • Misc minor improvements.
Questions or suggestions? Write to me att
[email protected]
If you like the app, please review it - thank you!
Disclaimer
Official Google Play Link
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