Lighting

PPFD Canopy Mapping Grid

Measure spatial light distribution across a defined grid instead of using one center reading to represent the canopy.

Setup

Date
Fixture / room
Fixture height
Dimmer / power setting
Canopy height
Meter ID

Grid readings

Row A readings
Row B readings
Row C readings
Row D readings
Edge readings
Center reading

Summary

Minimum PPFD
Maximum PPFD
Average PPFD
Uniformity observation
High-light hotspot
Low-light zone

Adjustment

Fixture change
Plant / canopy change
New measurement date
Result