A surrounding illuminance is measured with an illuminance sensor built into the Android terminal. A proper illuminance of the place is compared by setting the measurement place beforehand with the standard value of Japan Industrial Standards (JIS Z9110).
[How to use] 1. Please choose "Measurement location 1" and "Measurement location 2" in order. 2. In "Measurement location or work", a detailed place or the contents of work are set up. 3. If a condition setup of illumination measurement can be performed, please push a "Run" button. 4. The measurement result and judgment result of illumination are displayed. 5. To close the screen measurement, push "OK" button or Back key . 6. Please push "Quit" button or Back key, when you end an application.
[Note] Illumination sensor accuracy is dependent on the performance of the devices you have. Illumination measurement is influenced by inclination of a device. Please measured horizontally with a device.