Testing LED intensity output?? PAR or LUX meter

[mike31154]

No personal experience here, but from what I've seen on various threads about the subject of measuring LED photons, it's quite tricky. Apparently most of the metering equipment out there & in common use for our hobby is geared towards older technology, MH, flourescent etc. Certain spectra that the LEDs put out (blue, UV etc.) can skew results, especially when using a PAR meter.