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Address Details:
Room LG22 Old Main Building (K15)
Gate 14, Barker Street - UNSW
KENSINGTON , NSW 2033
AUSTRALIA Map
www.orlab.optometry.unsw.edu.au

Contact Details:
Mr B Cheng
+61(02) 93854622

Availability:
Services available to external clients

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ISO/IEC 17025 (2005)
Calibration
SERVICEPRODUCTDETERMINANTTECHNIQUEPROCEDURELIMITATION / RANGE
Optical metrology - Optical measuring equipment
Transmittance densitometers;
Linearity; Transmittance;
Direct comparison against a reference meter; Direct comparison against a reference standard;
CAPABILITY
With Calibration and measurement capability of-
0.01 absorbance from 4 ABS

Gloss meters;
Gloss; Linearity;
Direct comparison against a reference standard; Direct measurement using a reference meter;
CAPABILITY
With Calibration and measurement capability of-
Measurement of gloss standards;
0.3 gloss units for high gloss (all geometries);
1.2 gloss units for semi gloss;
Calibration of gloss meters;
0.4 gloss units for high gloss (all geometries)
 2.8 gloss units for semi gloss 20°
 1.0 gloss units for semi gloss 60°
 2.3 gloss units for semi gloss 85°

Spectrophotometers;
Linearity; Reflectance; Stray light; Transmittance; Wavelength;
Direct comparison against a reference spectrometer; Direct comparison against a reference standard; Direct measurement by comparison with established emission lines; Direct measurement by comparison with established spectral features;
CAPABILITY
With Calibration and measurement capability of-
0.3 nm in wavelength;
0.1% minimum detectable stray light;
0.1% transmittance;
0.9 % reflectance;

Reflectance densitometers;
Linearity; Reflectance;
Direct comparison against a reference meter; Direct comparison against a reference standard;
CAPABILITY
With Calibration and measurement capability of-
0.02 reflectance in the range 0.02 to 1;

Luminance meters;
Linearity; Luminance;
Direct comparison against a reference meter; Direct measurement by superposition method; Direct measurement using a reference standard;
CAPABILITY
 Incandescent lamps, with or without broadband filters
With Calibration and measurement capability of-
1.4% or 0.01 cd.m-2 (whichever is the greater) from 0.1 cd.m-2;



Haze meters;
Haze; Linearity;
Direct comparison against a reference meter; Direct comparison against a reference standard; Direct measurement using a reference meter;
CAPABILITY
Measurement of haze standards and calibration of haze meters
With Calibration and measurement capability of-
0.1% at 0% haze, rising to 0.45% at 20% haze and 0.65% at 40% haze;

Illuminance meters; Light meters; Luxmeters; Photometers;
Illuminance; Linearity;
Direct comparison against a reference meter; Direct measurement by superposition method; Direct measurement using a reference standard;
CAPABILITY
Photometers for Illuminant A and correction factors for Illuminant C
With Calibration and measurement capability of-
1.2% in the range 1 to 10 000 lux;

Tricolorimeters;
Chromaticity; Linearity;
Direct measurement using a reference standard;
CAPABILITY
With Calibration and measurement capability of-
Incident light tricolorimeters;
0.002 x and y;
Reflectance tricolorimeters;
0.001 in CIE (1931) coordinates (x and y);

Spectroradiometers;
Linearity; Responsivity; Stray light; Wavelength;
Direct comparison against a reference meter; Direct determination by optical methods; Direct measurement by comparison with established emission lines; Direct measurement by comparison with established spectral features; Direct measurement by superposition method; Direct measurement using a reference standard;
CAPABILITY
With Calibration and measurement capability of-
0.1 nm in wavelength;
0.1% minimum detectable stray light;
3.3% at 380 nm falling to 1.0% at 555 nm and rising to 1.8% at 780 nm;
in spectral radiance response;
18% at 240 nm falling to 2.0% at 380 nm, 1.0% at 555 nm and rising to 2.4%;
at 830 nm in spectral irradiance response;
Optical metrology - Optical standards and reference equipment
Lenses;
Prismatic power; Refractive power;
Measuring angular deviation using optical methods;
CAPABILITY
With Calibration and measurement capability of-
0.01 m⁻¹ in refractive power in the range -0.25 to +0.25 m-1 ;
0.015 m⁻¹ in refractive power in the range -25 to +25 m-1 ;
0.01 cm.m⁻¹ in prismatic power to 20 cm.m-1 ;
1° in axis;

LED sources; Solid state lighting (SSL) sources;
Spectral radiant flux;
To be determined;
CAPABILITY
With Calibration and measurement capability of-
Spectral radiance;
0.7 nm in wavelength;
3.3% at 380 nm falling to 1.0% at 555 nm and rising to 1.8% at 780 nm in spectral radiance;

Filters;
Transmittance;
Comparison with a reference meter;
CAPABILITY
With Calibration and measurement capability of-
Broadband transmittance;
0,01 with incandescent lamps;
Spectral transmittance;

Transmittance in the UV-VIS spectrum 210 nm to 830 nm;
 0.0004 + 0.0014t + 0.1Δt/Δλ for transmittance between 1.00 and 0.01;
 7.5% of transmittance for transmittance between 0.01 and 0.001;
 10% of transmittance for transmittance between 0.001 and 0.0001;
 12.5% of transmittance between 0.0001 and 0.00001;
 20% of transmittance between 0.00001 and 0.00000005;
 Transmittance in the infra-red spectrum 700-3000 nm;
 0.001+ 0.002t + 0.2Δt/Δλ;
0.3 nm in wavelength of spectral transmittance features 


Incandescent lamps;
Distribution temperature;
Direct measurement using a reference spectrophotometer;
CAPABILITY
With Calibration and measurement capability of-
15K in the region of 2856K;

Diffuse reflectance plates;
Luminance;
Direct measurement using a reference meter;
CAPABILITY
With Calibration and measurement capability of-
Luminance factor;
3.0% of measured value + 0.01 with incandescent lamps;
5.0% of measured value + 0.01 with other white light sources;


Reflectance;
Comparison with a reference meter;
CAPABILITY
With Calibration and measurement capability of-
Broadband reflectance;
Measurements of luminous reflectance with incandescent lamps on plane mirrors;
 0.01 for measured values greater than 0.80 or less than 0.20;
 0.02 for measured values between 0.20 and 0.80;
Spectral reflectance;
Diffuse and total (non-fluorescent) in the wavelength range 320 to 780 nm;
 0.0004 + 0.0047ρ + 0.1Δρ/Δλ;
 Specular included and matt and gloss sample specular excluded;
 0.0005 + 0.0047ρ + 0.1Δρ/Δλ;
 Semi-gloss samples specular excluded;
 0.0004 + 0.0014ρ + 0.1Δρ/Δλ;
 Samples with specular reflection only;
 In the wavelength range 780 to 2500 nm;
 0.001+ 0.0049ρ + 0.2Δρ/Δλ;

Diffuse reflectance plates; Discharge sources - Lamps; Filters; LED sources; Solid state lighting (SSL) sources;
Chromaticity;
Direct measurement using a reference spectrophotometer;
CAPABILITY
With Calibration and measurement capability of-
Spectral measurements;
0.0015 in chromaticity;
0.06 in CIE colour rendering index;
Colour difference measurements;
0.4 delta E in CIE LUV and CIE LAB
0.001 in CIE (1931) coordinates (x and y)
Broadband measurements;
0.004 in CIE 1931 coordinates (x and y) for;
Incandescent lamps, with or without broadband filters or other white light sources;

Focimeters;
Prismatic power; Refractive power;
Measuring angular deviation using optical methods;
CAPABILITY
With Calibration and measurement capability of-
0.01 m⁻¹ in refractive power in the range -0.25 to +0.25 m-1 ;
 0.015 m⁻¹ in refractive power in the range -25 to +25 m-1 ;
 0.01 cm.m⁻¹ in prismatic power to 20 cm.m-1 ;
 1° in axis;

Discharge sources - Lamps;
Spectral irradiance;
Direct measurement using a reference spectrophotometer;
CAPABILITY
With Calibration and measurement capability of-
0.3 nm in wavelength;
18% at 280 nm falling to 2.0% at 380 nm, 1% at 555 nm and rising to 2.4%;
at 830 nm in spectral irradiance;

Discharge sources - Lamps; Integrating sphere sources; LED sources; Luminance standard sources; Solid state lighting (SSL) sources;
Luminance;
Direct measurement using a reference meter;
CAPABILITY
With Calibration and measurement capability of-
Incandescent sources, with or without broadband filters;
1.5% or 0.01 cd.m-2 (whichever is the greater) from 0.1 cd.m-2;
Other sources;
2.0% or 0.01 cd.m-2 (whichever is the greater) from 0.1 cd.m-2;

Discharge sources - Lamps; Incandescent lamps; LED sources; Solid state lighting (SSL) sources;
Correlated colour temperature;
Direct measurement using a reference spectrophotometer;
CAPABILITY
With Calibration and measurement capability of-
15K;
 In the region of 2856K rising to ± 50K at 5500K and ± 200K at 12000K;


Luminous flux;
Direct measurement by integrating sphere;
Incandescent lamps;
Light sources with maximum dimension (excluding cap)
not exceeding 0.3 m;
From 0.5 lm;
Other sources;
Light sources with maximum dimension (excluding cap)
not exceeding 0.3 m;
From 0.5 lm;
CAPABILITY
With Calibration and measurement capability of-
Incandescent lamps;
2.0% from 1.5 lm;
Other sources;
2.5% from 1.5 lm;


Illuminance;
Direct measurement using a reference meter;
CAPABILITY
With Calibration and measurement capability of-
Incandescent lamps;
0.9% in the range 0.1 to 10 000 lux;
Other sources;
1.5% in the range 0.1 to 10 000 lux;


Luminous intensity;
Direct measurement by goniophotometer; Direct measurement using a reference meter;
CAPABILITY
With Calibration and measurement capability of-
Incandescent lamps;
1.0% in luminous intensity for incandescent lamps;
with or without broadband filters;
1.3% in luminous intensity for other incandescent sources;
from 0.01 cd;
Other sources;
 1.3% in luminous intensity;
 from 0.01 cd;