Queensland University of Technology - School of Chemistry, Physics and Mechanical Engineering

Site

QUT Photometric Laboratory – Calibration – School of Chemistry, Physics and Mechanical Engineering

Accreditation No.

4819

Site No.

4812

Date of Accreditation

Address

M Block, Level 2, 2 George Street
Brisbane City, QLD 4000
Australia

lighting.qut.edu.au

Contact

Availability

Services available to external clients

Scope of Accreditation

Print scopes

Withdrawn

QUT Photometric Laboratory – Calibration – School of Chemistry, Physics and Mechanical Engineering

ISO/IEC 17025 (2005)

Calibration

  • The uncertainty of measurement is reported as an expanded uncertainty having a level of confidence of 95% unless stated otherwise
Withdrawn
Service Product Determinant Technique Procedure Limitations
Optical metrology - Optical measuring equipment Illuminance meters Illuminance Direct comparison against a reference meter; Direct measurement using a reference standard Calibration via lamps approximating Source A conditions in the range 0.02 - 2000 lux;

Capability

With Calibration and Measurement Capability of -;
1% from 0.08 - 2000 lux ;
Increasing to 1.3% at 0.05 lux ;
Increasing to 1.9% at 0.03 lux ;
Increasing to 2.7% at 0.02 lux ;
Luminance meters Luminance Direct comparison against a reference meter; Direct measurement using a reference standard Calibration against lamps approximating Source A conditions in the range 0 - 1500 cd m-2

Capability

With Calibration and Measurement Capability of -;
 3% or 5 mcd m-2 (whichever is the greater) in the range from 0 - 10 cd m-2;
 1.5% or 0.15 cd m-2 (whichever is the greater) from 10 - 1500 cd m-2;
Optical metrology - Optical measuring equipmentIn-house calibration only Spectroradiometers Wavelength Direct comparison against a reference spectrometer; Direct measurement by comparison with established emission lines; Direct measurement by comparison with established spectral features From 380 nm to 780 nm 

Capability

With Calibration and Measurement Capability of -;
0.3 nm in wavelength in range from 380 - 400 nm ;
0.2 nm in wavelength in range from 400 - 600 nm ;
0.3 nm in wavelength in range from 600 - 780 nm ;
Remaining at 30% at 450 nm ;
Reducing linearly to 7% at 455 nm ;
Remaining at 7% at 780 nm ;
Optical metrology - Optical standards and reference equipment Diffuse reflectance plates Reflectance Direct measurement using a reference meter; Indirect measurement using a spectrophotometer and software integration Broadband reflectance measurements with incandescent lamps

Capability

Broadband reflectance

With Calibration and Measurement Capability of - ;
 1.0% of measured values or 0.01 (whichever is the greater);
Discharge sources - Lamps; Incandescent lamps; LED sources; Solid state lighting (SSL) sources Chromaticity Direct measurement using a reference colorimeter; Direct measurement using a reference spectrophotometer Calibration of lamp output to approximatelySource A conditions, or with filters, including neutral density filters by the methods of CIE Pub. 15.2 (1986);
Measurement of chromaticity in the range 2000 K to 8000 K;

Capability

Calibration of lamp output to approximately Source A conditions, or with filters, including neutral density filters by the methods of CIE Pub. 15.2 (1986);
With Calibration and Measurement Capability of-;
0.002 in CIE 1931 coordinates (x, y) for incandescent lamps (not red);
0.004 in CIE 1931 coordinates (x, y) for incandescent lamps (red);

Measurement of chromaticity;
With Calibration and Measurement Capability of - ;
 0.003 in CIE 1931 coordinates (x, y) for incandescent lamps ;
 0.003 in CIE 1931 coordinates (x, y) for non-incandescent lamps from 2000 - 4000 K ;
 0.005 in CIE 1931 coordinates (x, y) for non-incandescent lamps from 4000 - 8000 K;
Luminous intensity Direct comparison against a reference standard; Direct measurement by goniophotometer; Direct measurement using a reference meter Calibration of an  incandescent luminous intensity standard for lamps of approximately 2856 K  in the range 10 - 500 cd;
Calibration of non-incandescent luminous intensity standards for lamps including LEDs with distribution temperature range 2000 - 6000 K, in the range 10 - 500 cd


Capability

With Calibration and Measurement Capability of -;

1.0% for incandescent luminous intensity standards;

3.0% for non-incandescent luminous intensity standards;
Correlated colour temperature Direct measurement using a reference colorimeter; Direct measurement using a reference spectrophotometer

From 2000 - 6000 K ;

Capability

With Calibration and Measurement Capability of - ;
 20 K for Source A Illuminant ;
 100 K in the range from 2000 - 4000 K ;
 200 K in the range from 4000 - 6000 K;
Filters Transmittance Direct measurement using a reference meter; Indirect measurement using a spectrophotometer and software integration Broadband transmittance measurements with incandescent lamps

Capability

Broadband transmittance

With Calibration and Measurement Capability of - ;
 1.3% of measured values or 0.01 (whichever is the greater);
Incandescent lamps; LED sources; Solid state lighting (SSL) sources Illuminance Direct measurement using a reference meter Measurement of illuminance from lamps approximating Source A conditions in the range 0.02 - 5000 lux

Capability

with Calibration and Measurement Capability of -;
 2.2% or 0.1 lux (whichever is the greater);
Luminous flux Direct measurement by goniophotometer; Direct measurement by integrating sphere Calibration of omni-directional luminous flux standards using goniophotometry or integrating sphere for lamps from 100 to 5000 lumens with distribution temperature range 2000 - 4000 K 
Calibration of luminous flux standards using goniophotometry or integrating sphere for lamps from 100 to 5000 lumens 

Capability

With Calibration and Measurement Capability of -;
1.2% for omni-directional luminous flux standards;
3.5% for luminous flux standards
Integrating sphere sources; Luminance standard sources Luminance Direct measurement using a reference meter Measurement of luminance of surfaces and sources in the range 1 - 1500 cd m-2

Capability

With Calibration and Measurement Capability of -;
1.9% of reading;
Spectral irradiance standard sources Spectral irradiance Direct measurement using a reference spectrophotometer From 380 nm to 780 nm 

Capability

With Calibration and Measurement Capability of - ;
60% for Source A Illuminants in the range 380 - 450 nm ;
5% for Source A Illuminants in the range 450 - 780 nm ;
40% for LEDs in the range 380 - 500 nm ;
4% for LEDs in the range 500 - 650 nm ;
60% for LEDs in the range 650 - 780 nm ;

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