Table 1 Selected technical parameters of the device for measuring light pollution of the night sky.
From: Device for automatic measurement of light pollution of the night sky
Parameter | Characteristic |
|---|---|
Weight | 380 g |
Dimension | 5.5 × 8.2 × 15.8 cm |
Standard of data transmission | LoRaWAN |
Frequency bands | 868 MHz |
Operating time [3 000 mAh] | ~ 9 month |
Range in built-up areas | 3–4 km |
Number of measurements during the day | 36 |
Frequency of measurements | 15 min |
Operational time | 21:00–06:00 CEST |
Measuring sensors | light intensity, temperature, humidity |
The half-cone angle of data collection | 27° |
Tightness class | IP65 |
