Light Meters in tent

Curious what light meters/sensors folk here use ? I’d like one that displays umol as a unit -TIA

I use an Apogee SQ-520

I went with the free app Photone on my iPhone…pay to unlock the light mode you need …this seems to work ok at this time…but an actual meter like @MidwestGuy mentions would be the best option if you can afford it

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Apogee mq100 is affordable and works well

I use an Apogee DLI-600 which also records the readings for later analysis. You can use it for spot readings as well which shows in μmol.

@MidwestGuy @poly @JJ520 Dont you just love how Bruce is modeling all his own stuff!?