HomeTestingPhotometric Testing (LM-79)
Testing · Photometric · LM-79

Photometric testing to IES LM-79.

The industry’s primary photometric test method for LED luminaires and SSL products, performed at LightLab’s Brisbane laboratory under NATA-accredited conditions.

Turnaround
~10 days
Max sample size
1.8m
Path length
8m
Accreditation
NATA 2258
What we measure

Every parameter a specifier or regulator might ask for.

LM-79 covers total luminous flux, luminous intensity distribution, electrical characteristics, and chromaticity of solid-state lighting products. Our laboratory performs the full scope plus extensions for specialty luminaires.

Total luminous flux
Integrating sphere, 2m
Luminous intensity distribution
Goniophotometer, mirror & A-type
Correlated colour temperature (CCT)
Spectrometer
Colour rendering index (CRI)
R1–R15, R9 individually
Luminaire output ratio (LOR)
Spatial distribution
Spacing-to-height ratio (SHR)
Interior luminaires
Isocandela / isolux diagrams
Floodlights, street lanterns
Electrical measurements
Power, PF, current, voltage
What you receive

Reports you can hand straight to a specifier, regulator or client.

NATA-endorsed report

PDF with full photometric data, charts, electrical and thermal measurements. Internationally recognised via ILAC.

IES photometric data file

Industry-standard format accepted by AGI32, DIALux, ReLux and every major lighting design package.

Chart exports

Polar diagrams, isocandela and isolux plots ready for product catalogues, datasheets and technical submissions.

Frequently asked

Questions from manufacturers, answered.

Run-in your product for the period specified in LM-79 before submission. We can advise on your specific product type when you request a quote.
Ready to begin

Send us your sample,
we’ll send back certainty.

Request a quote for testing or calibration and hear back from a technician, not a sales representative, within one business day.