Acuity Brands, Inc. recently announced that it has received expanded accreditation from the National Voluntary Laboratory Accreditation Program (NVLAP) for testing of LED products for conformance to the Illuminating Engineering Society of North America LM-79 standard.
NVLAP is administered by the National Institute of Science and Technology (“NIST”) and evaluates the competence of testing and calibration laboratories. NVLAP’s accreditation programs are established in response to Congressional mandates, administrative actions by the Federal Government, and requests from private-sector organizations and government agencies.
Acuity Brands NVLAP accreditation for testing of LED products to the IESNA LM-79 standard, Approved Method: Electrical and Photometric Measurements of Solid-State Lighting Products, includes:
* Total Flux measurement for luminous efficacy (IESNA LM-79:2008 (Sec.9))
* Luminous intensity measurement for photometric distribution (IESNA LM-79:2008 (Sec 10))
* Color measurements: Color (Correlated Color Temperature) (IESNA LM-79:2008 (Sec 12), IESNA LM-58:1994, IESNA LM-16:1993, and CIE Pub. 15:2004) and CRI (CIE Pub. 13.3:1995)
* Electrical measurements including volts, amps, watts and power factor (ANSI C82.77:2002, ANSI C82.2:2002)
