Spectralux is a DLC Approved Testing laboratory for LM-79 Sphere Test, LM-79 Goniophotometer Test and In-Situ Temperature Measurement Test (ISTMT).

DesignLights Consortium (DLC) web page


 The following test reports are needed for each family:

LM80 for the LED package

LM79 for worst case light output

LM79 for worst case power factor and THD

For each subgroup:

LM79 for worst case efficacy

ISTMT for the highest LED case temperature

Other tests:

LM79s to verify all color temperatures

IES files to verify zonal lumens on all optics

For a test request form please click here