Artificial lighting is measured in illumination units: the metric lux... | Download Scientific Diagram
![P. L. Light Systems: Lighting Metrics Explained. Choosing the Right Horticultural Lighting for Your Greenhouse or Indoor Grow | P.L. Light Systems P. L. Light Systems: Lighting Metrics Explained. Choosing the Right Horticultural Lighting for Your Greenhouse or Indoor Grow | P.L. Light Systems](https://pllight.com/wp-content/uploads/2018/12/footcandle-v-lux-e1545238547641.png)
P. L. Light Systems: Lighting Metrics Explained. Choosing the Right Horticultural Lighting for Your Greenhouse or Indoor Grow | P.L. Light Systems
![Amazon.com: Dr.meter LX1330B Digital Illuminance Light Meter, 0-200,000 Measurement Range Lux Meter : Electronics Amazon.com: Dr.meter LX1330B Digital Illuminance Light Meter, 0-200,000 Measurement Range Lux Meter : Electronics](https://m.media-amazon.com/images/I/71MDhVVaILL.jpg)