I have collected Light data for $3$ ?days by using the meter that i displayed in the image $,$ ?the readings for $1$st day is $2-49$ ?and $2$nd day is $100-249$ ?and $3$rd day is $500-749,$ ?now how can we convert the above data which is in micromoles to PPFD $($ ?Photosynthetic photon flux density $)?$ ?refer the image

Intensity DU 1500+- -30+ 1000-1499- 20-29 LIGHTSCOUT 750-999- 15-19 DLI 100 500-749-1 10-14 GREENHOUSE 250-499- 6-9 100-249- 4-5 Daily Light 50-99 2-3 Meter 2-49- 0-1 Mol Mol Spectrum