National Measurement Institute (NMI)

Site

Optical Standards Project

Accreditation No.

1

Site No.

14105

Date of Accreditation

28 Jun 1999

Address

36 Bradfield Road
Lindfield West, NSW 2070
Australia

measurement.gov.au

Contact

Ms Charmaine Kwan P: +61 (02) 84673836

Availability

Services conditionally available to external clients

National Measurement Institute (NMI) address map

Scope of Accreditation

Print scopes
Optical Standards Project

ISO/IEC 17025 (2017)

Calibration

  • The uncertainty of measurement is reported as an expanded uncertainty having a level of confidence of 95% unless stated otherwise
Service Product Determinant Technique Procedure Limitations
Optical metrology - Optical measuring equipment Bilirubin meters; Blue light radiometers; UVA meters; UVB meters; UVC meters; Ultraviolet radiometers Cosine correction; Irradiance; Linearity Direct comparison against a reference standard; Direct determination by optical methods

Capability

With Calibration and Measurement Capability of -
Irradiance
5.6% for irradiance of 11 mW/cm2;
falling to 5.2% for irradiance of 1.4 mW/cm2;
remaining at 5.2% for irradiance of 100 μW/cm2;
for monochromatic sources near 254 nm;

5.2% for irradiance of 1 mW/cm2;
falling to 3.4% for irradiance of 25 μW/cm2;
rising to 4.2% for irradiance of 5 μW/cm2;
for monochromatic sources near 365 nm;

For significantly different source spectra, an additional uncertainty component which depends on the spectrum and may be in the order of 2% (k=1) is added to the uncertainty analysis;
5% for bilirubin treatment sources (blue light);

Linearity
0.01% for a 5:1 range of response;

Cosine correction
1% for field angles greater than 5 degrees;
Optical metrology - Optical measuring equipment Filter radiometer Linearity; Responsivity Direct comparison against a reference standard; Direct measurement by superposition method

Capability

with Calibration and Measurement Capability of -
Broadband responsivity;
0.2% for irradiances in the range 100 μ W/cm2 to 3 W/cm2;
for UV/visible/IR radiation

Spectral responsivity;
7.0% at 220 nm;
reducing linearly to 3.0% at 230 nm;
reducing linearly to 0.9% at 240 nm;
reducing linearly to 0.27% at 360 nm;
reducing linearly to 0.12% at 650 nm;
increasing linearly to 0.40% at 950 nm;
0.40% in the range 950 to 1 655 nm;
increasing linearly to 3.0% at 1 685 nm;
increasing linearly to 3.2% at 1 700 nm;
for incoherent sources;

Response linearity
0.01% for a 5:1 range of response;
Optical metrology - Optical measuring equipment Illuminance meters; Light meters; Luxmeters; Photometers; Photometric detectors Cosine correction; Illuminance; Linearity; Responsivity Direct comparison against a reference standard; Direct measurement by superposition method; Direct measurement using a reference standard

Capability

With Calibration and Measurement Capability of -
Illuminance
0.5% at 1 mlx;
reducing to 0.29% at 1 lx;
0.29% from 1 lx to 50 lx;
Increasing to 8% at 200 klx;

Spectral responsivity;
7.0% at 220 nm;
reducing linearly to 3.0% at 230 nm;
reducing linearly to 0.9% at 240 nm;
reducing linearly to 0.27% at 360 nm;
reducing linearly to 0.12% at 650 nm;
increasing linearly to 0.40% at 950 nm;
0.40% in the range 950 to 1 655 nm;
increasing linearly to 3.0% at 1 685 nm;
increasing linearly to 3.2% at 1 700 nm;

Linearity
0.01% for a 5:1 range of response;

Cosine correction
0.1% for field angles greater than 20 degrees;
Optical metrology - Optical measuring equipment Infra-red radiometers; Thermal detectors; Thermopiles Irradiance Direct comparison against a reference standard Measurement of response to a black-body source at a radiance temperature of 800°C;

Capability

Measurement of response to a black-body source at a radiance temperature of 800°C;
With Calibration and Measurement Capability of -
1.1% irradiance level near 1600 μW/cm2;
Optical metrology - Optical measuring equipment Interferometers; Spectrometer arrays; Spectroradiometers; Spectrum analysers Wavelength Comparison with a reference meter; Direct measurement using a reference meter

Capability

Measurement of wavelength of -
Optical spectrum analysers,
Interferometers,
Spectroradiometers,
Array spectrometers;
With Calibration and Measurement Capability of -
100 pm in the range 240 to 1700 nm;
200 pm in the range 1700 to 2500 nm;
Optical metrology - Optical measuring equipment Laser energy meters; Laser power meters Energy; Power Comparison with a reference meter; Direct determination by optical methods

Capability


Optical Pulse Energy;
Optical Power;
With Calibration and Measurement Capability of -
0.02% at selected visible and near infrared laser lines measured using cryogenic radiometry;
0.36% at power levels from 1.0 μW to 1.0 mW;
0.7% at power levels above 1.0 mW up to 100 mW;
0.9% at power levels above 100 mW up to 1.0 W;
1.1% at power levels above 1.0 W up to 10 W;
1.3% at power levels above 10 W up to 20 W;
using laser line sources in the range 360 nm to 1 650 nm;
Optical metrology - Optical measuring equipment Luminance meters Linearity; Luminance Comparison with a reference meter

Capability


Luminance meters; Chromameters and telespectroradiometers;
With Calibration and Measurement Capability of -
6% at 1 cd/m2
reducing to 1.8% at 10 cd/m2;
remaining at 1.8% at 100 cd/m2;
reducing to 0.55% at 1 000 cd/m2;
remaining at 0.55% at 10 000 cd/m2;
increasing to 1.0% at 30 000 cd/m2;
Optical metrology - Optical measuring equipment Photodiodes; Radiometers Linearity; Responsivity Direct comparison against a reference standard; Direct determination by optical methods; Direct measurement by superposition method

Capability

Spectral responsivity
With Calibration and Measurement Capability of -
7.0% at 220 nm;
reducing linearly to 3.0% at 230 nm;
reducing linearly to 0.9% at 240 nm;
reducing linearly to 0.27% at 360 nm;
reducing linearly to 0.12% at 650 nm;
increasing linearly to 0.40% at 950 nm;
0.40% in the range 950 to 1 655 nm;
increasing linearly to 3.0% at 1685 nm;
increasing linearly to 3.2% at 1 700 nm;
for incoherent sources;
Optical metrology - Optical standards and reference equipment Broadband sources Broadband irradiance Direct measurement using a reference meter

Capability

Broadband irradiance from Planckian Radiators and Blackbody Sources;
With Calibration and Measurement Capability of -
0.2% at irradiance levels near 370 μW/cm2
Optical metrology - Optical standards and reference equipment Discharge sources - Lamps Chromaticity; Correlated colour temperature; Spectral irradiance Direct measurement using a reference meter; Measurement using a reference source and reference meter

Capability


With Calibration and Measurement Capability of -
Spectral irradiance
Over the wavelength range between 250 nm and 2500 nm, with linear interpolation between the uncertainties at the following wavelength values:
Wavelength (nm)
Uncertainty (%)
Wavelength (nm)
Uncertainty (%)
25066000.7
2604.87000.9
2704.48001.2
2803.79001.4
2903.510001.6
3003.211001.7
3202.913001.9
3402.615002.1
3602.317002.2
3802.620002.3
4002.622003.8
4501.623007
5001.024008
5550.8250015

Chromaticity
0.00046 for CIE 1931 x, y coordinates;

Correlated colour temperature
3 to 50 K in the range 1700 to 11,000 K;
Optical metrology - Optical standards and reference equipment Illuminance standard sources Chromaticity; Correlated colour temperature; Distribution temperature; Illuminance Direct comparison against a reference standard; Measurement using a reference source and reference meter

Capability

With Calibration and Measurement Capability of -
Illuminance:
0.5% at 1 mlx
reducing to 0.29% at 1 lx
0.29% from 1 lx to 50 lx
Increasing to 8% at 200 klx

Chromaticity:
0.00022 for CIE 1931 x, y coordinates for incandescent sources
0.00046 for CIE 1931 x, y coordinates for other sources

Distribution temperature:
(2.602 x 10-6 (DT)2- 1.625 x 10-3 (DT) + 1.950) K in the range 1 600 K to 3 400 K;

Correlated colour temperature
6 K for temperatures near 2 856 K;
3 to 50 K in the range 1700 to 11,000 K;
Optical metrology - Optical standards and reference equipment Incandescent lamps Chromaticity; Correlated colour temperature; Distribution temperature; Illuminance; Luminous flux; Luminous intensity; Spectral irradiance Direct comparison against a reference standard; Direct measurement by goniophotometer; Direct measurement using a reference meter; Measurement using a reference source and reference meter

Capability

With Calibration and Measurement Capability of -
Luminous Flux
0.6% for values near 1 000 lm and 2 500 lm;
Illuminance
0.5% at 1 mlx
reducing to 0.29% at 1 lx
0.29% from 1 lx to 50 lx
Increasing to 8% at 200 klx
Luminous Intensity
0.29% near 250 cd;
Spectral irradiance
Over the wavelength range between 250 nm and 2500 nm, with linear interpolation between the uncertainties at the following wavelength values:
Wavelength (nm)
Uncertainty (%)
Wavelength (nm)
Uncertainty (%)
25066000.7
2604.87000.9
2704.48001.2
2803.79001.4
2903.510001.6
3003.211001.7
3202.913001.9
3402.615002.1
3602.317002.2
3802.620002.3
4002.622003.8
4501.623007
5001.024008
5550.8250015

Chromaticity
0.00022 for CIE 1931 x, y coordinates
Distribution temperature
(2.602 x 10-6 (DT)2 - 1.625 x 10-3 (DT) + 1.950) K in the range 1 600 K to 3 400 K;
Correlated Colour Temperature
6 K for temperatures near 2 856 K;
3 to 50 K in the range 1700 to 11,000 K;
Optical metrology - Optical standards and reference equipment Integrating sphere sources; Luminance standard sources Chromaticity; Correlated colour temperature; Distribution temperature; Illuminance; Luminance; Spectral radiance Direct comparison against a reference standard; Direct measurement using a reference meter; Measurement using a reference source and reference meter

Capability

With Calibration and Measurement Capability of -
Illuminance:
0.5% at 1 mlx
reducing to 0.29% at 1 lx
0.29% from 1 lx to 50 lx
Increasing to 8% at 200 klx

Luminance:
6% at 1 cd/m2;
reducing to 1.8% at 10 cd/m2;
remaining at 1.8% at 100 cd/m2;
reducing to 0.55% at 1 000 cd/m2;
remaining at 0.55% at 10 000 cd/m2;
increasing to 1.0% at 30 000 cd/m2;

Spectral radiance:
10% at 240 nm;
reducing linearly to 6% at 245 nm;
reducing linearly to 3.4% at 250 nm;
reducing linearly to 2.0% at 270 nm;
reducing linearly to 1.7% at 290 nm;
reducing linearly to 1.0% at 390 nm;
reducing linearly to 0.8% at 555 nm;
increasing linearly to 3.7% at 2 500 nm;

Chromaticity:
0.00022 for CIE 1931 x, y coordinates for incandescent sources
0.00046 for CIE 1931 x, y coordinates for other sources

Distribution temperature:
(2.602 x 10-6 (DT)2- 1.625 x 10-3 (DT) + 1.950) K in the range 1 600 K to 3 400 K;

Correlated colour temperature
6 K for temperatures near 2 856 K;
3 to 50 K in the range 1700 to 11,000 K;
Optical metrology - Optical standards and reference equipment LED sources; Solid state lighting (SSL) sources Chromaticity; Correlated colour temperature; Distribution temperature; Illuminance; Luminance; Luminous flux; Luminous intensity; Spectral irradiance; Spectral radiance Direct comparison against a reference standard; Direct measurement by goniophotometer; Direct measurement using a reference meter; Measurement using a reference source and reference meter

Capability

with Calibration and Measurement Capability of -
Luminous flux
0.7%

Luminous intensity
0.29% for broad-band sources

Illuminance
0.5% at 1 mlx
reducing to 0.29% at 1 lx
0.29% from 1 lx to 50 lx
Increasing to 8% at 200 klx

Luminance:
6% at 1 cd/m2;
reducing to 1.8% at 10 cd/m2;
remaining at 1.8% at 100 cd/m2;
reducing to 0.55% at 1 000 cd/m2;
remaining at 0.55% at 10 000 cd/m2;
increasing to 1.0% at 30 000 cd/m2;

Spectral radiance:
10% at 240 nm;
reducing linearly to 6% at 245 nm;
reducing linearly to 3.4% at 250 nm;
reducing linearly to 2.0% at 270 nm;
reducing linearly to 1.7% at 290 nm;
reducing linearly to 1.0% at 390 nm;
reducing linearly to 0.8% at 555 nm;
increasing linearly to 3.7% at 2 500 nm;

Spectral irradiance:
Over the wavelength range between 250 nm and 2500 nm, with linear interpolation between the uncertainties at the following wavelength values:
Wavelength (nm)
Uncertainty (%)
Wavelength (nm)
Uncertainty (%)
25066000.7
2604.87000.9
2704.48001.2
2803.79001.4
2903.510001.6
3003.211001.7
3202.913001.9
3402.615002.1
3602.317002.2
3802.620002.3
4002.622003.8
4501.623007
5001.024008
5550.8250015

Chromaticity
0.00046 for CIE 1931 x, y coordinates;

Distribution temperature:
(2.602 x 10-6 (DT)2- 1.625 x 10-3 (DT) + 1.950) K in the range 1 600 K to 3 400 K;

Correlated colour temperature
6 K for temperatures near 2 856 K;
3 to 50 K in the range 1700 to 11,000 K;
Optical metrology - Optical standards and reference equipment Laser line sources; Laser sources Beam divergence; Pulse duration; Pulse energy; Radiant power - Laser line sources; Wavelength Direct comparison against a reference standard; Direct determination by optical methods; Direct measurement using a reference meter

Capability

Radiant power
With Calibration and Measurement Capability of -
0.36% at power levels from 1.0 μW to 1.0 mW;
0.7% at power levels above 1.0 mW up to 100 mW;
in the range 360 nm to 1 650 nm;
0.36% at power levels from 1.0 μW to 1.0 mW;
0.7% at power levels above 1.0 mW up to 100 mW;
0.9% at power levels above 100 mW up to 1.0 W;
1.1% at power levels above 1.0 W up to 10 W;
1.3% at power levels above 10 W up to 20 W;
for selected laser lines;

Pulse energy
With Calibration and Measurement Capability of -
0.36% for pulses with peak power levels from 1.0 μW to 1.0 mW;
0.7% for pulses with peak power levels above 1.0 mW up to 100 mW;
0.9% for pulses with peak power levels above 100 mW up to 1.0 W;
1.1% for pulses with peak power levels above 1.0 W up to 10 W;
1.3% for pulses with peak power levels above 10 W up to 20 W;

Wavelength
5 pm in the range 395 to 1 095 nm (vacuum wavelength) using a wavemeter;
100 pm in the range 600 to 1 600 nm using an optical spectrum analyser;

Pulse Duration
0.2 ns for pulses longer than 10 ns

Beam divergence
6.1% for divergence angles of 0.2 mrad;
reducing linearly to 1.5% for divergence angles of 0.6 mrad;
reducing linearly to 0.7% at 200 mrad;
Optical metrology - Optical standards and reference equipment Luminous flux standard sources Luminous flux Direct measurement by goniophotometer

Capability


Luminous flux:
With Calibration and Measurement Capability of -

Incandescent sources;
0.6% for values near 1 000 lm and 2 500 lm;

Other sources:
0.7% ;
Optical metrology - Optical standards and reference equipment Luminous intensity standard sources Luminous intensity Measurement using a reference source and reference meter

Capability


With Calibration and Measurement Capability of -

Incandescent lamps and luminous intensity standard sources;
0.29% near 250 cd;

Other sources
0.29% for broad-band sources
Optical metrology - Optical standards and reference equipment Spectral irradiance standard sources Chromaticity; Correlated colour temperature; Distribution temperature; Spectral irradiance Measurement using a reference source and reference meter

Capability

With Calibration and Measurement Capability of -
Spectral irradiance:
Over the wavelength range between 250 nm and 2500 nm, with linear interpolation between the uncertainties at the following wavelength values:
Wavelength (nm)
Uncertainty (%)
Wavelength (nm)
Uncertainty (%)
25066000.7
2604.87000.9
2704.48001.2
2803.79001.4
2903.510001.6
3003.211001.7
3202.913001.9
3402.615002.1
3602.317002.2
3802.620002.3
4002.622003.8
4501.623007
5001.024008
5550.8250015


Chromaticity:
0.00022 for CIE 1931 x, y coordinates for incandescent sources
0.00046 for CIE 1931 x, y coordinates for other sources

Distribution temperature:
(2.602 x 10-6 (DT)2 - 1.625 x 10-3 (DT) + 1.950) K in the range 1 600 K to 3 400 K;

Correlated colour temperature
6 K for temperatures near 2 856 K;
3 to 50 K in the range 1700 to 11,000 K;
Optical metrology - Optical standards and reference equipment Spectral radiance standard sources Chromaticity; Correlated colour temperature; Distribution temperature; Spectral irradiance; Spectral radiance Direct measurement using a reference meter; Measurement using a reference source and reference meter

Capability

With Calibration and Measurement Capability of -
Spectral radiance:
10% at 240 nm;
reducing linearly to 6% at 245 nm;
reducing linearly to 3.4% at 250 nm;
reducing linearly to 2.0% at 270 nm;
reducing linearly to 1.7% at 290 nm;
reducing linearly to 1.0% at 390 nm;
reducing linearly to 0.8% at 555 nm;
increasing linearly to 3.7% at 2 500 nm;

Spectral irradiance:
Over the wavelength range between 250 nm and 2500 nm, with linear interpolation between the uncertainties at the following wavelength values:




Wavelength (nm)
Uncertainty (%)
Wavelength (nm)
Uncertainty (%)
25066000.7
2604.87000.9
2704.48001.2
2803.79001.4
2903.510001.6
3003.211001.7
3202.913001.9
3402.615002.1
3602.317002.2
3802.620002.3
4002.622003.8
4501.623007
5001.024008
5550.8250015


Chromaticity:
0.00022 for CIE 1931 x, y coordinates for incandescent sources
0.00046 for CIE 1931 x, y coordinates for other sources

Distribution temperature:
(2.602 x 10-6 (DT)2 - 1.625 x 10-3 (DT) + 1.950) K in the range 1 600 K to 3 400 K;

Correlated colour temperature
6 K for temperatures near 2 856 K;
3 to 50 K in the range 1700 to 11,000 K;
Optical metrology - Optical standards and reference equipment UVA sources; UVB sources; UVC sources Broadband irradiance; Spectral irradiance Direct measurement using a reference meter

Capability

with Calibration and Measurement Capability of -
Broadband irradiance from UVA Sources, UVB Sources, UVC Sources, Blue Light Sources, Solar Simulators, Filtered Sources;
5.6% for irradiance of 11 mW/cm2;
falling to 5.2% for irradiance of 1.4 mW/cm2;
remaining at 5.2% for irradiance of 100 μW/cm2;
for monochromatic sources near 254 nm;

5.2% for irradiance of 1 mW/cm2;
falling to 3.4% for irradiance of 25 μW/cm2;
rising to 4.2% for irradiance of 5 μW/cm2;
for monochromatic sources near 365 nm;

For significantly different source spectra, an additional uncertainty component which depends on the spectrum and may be in the order of 2% (k=1) is added to the uncertainty analysis;

Spectral irradiance;
Over the wavelength range between 250 nm and 450 nm, with linear interpolation between the uncertainties at the following wavelength values:
Wavelength (nm)
Uncertainty (%)
2506
2604.8
2704.4
2803.7
2903.5
3003.2
3202.9
3402.6
3602.3
3802.6
4002.6
4501.6

ISO/IEC 17025 (2017)

Manufactured Goods

Service Product Determinant Technique Procedure Limitations
Evaluation of consumer and industrial lighting, optical systems and eyewear Laser and high radiance sources Beam divergence; Energy; Power; Pulse duration; Wavelength Measurement using a reference meter Measurements of Power, Pulse Energy, Wavelength, Pulse Duration and Beam Divergence of Laser and high radiance sources
by the in-house methods of -
Test Method TM-36
Test Method TM-37
Test Method TM-41

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