National Association of Testing Authorities, Australia
Scope of Accreditation
National Measurement Institute (NMI)
Site
Time and Frequency Project
Accreditation No.
1
Site No.
14356
Date of Accreditation
29 Mar 2000
Contact
Ms Charmaine Kwan P: +61 (02) 84673836
Availability
Services conditionally available to external clients
Scope of Accreditation
Time and Frequency 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 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| DC and low frequency electrical metrology - Electrical measurement and test equipment | Phase angle meters | Phase angle | Comparison with a reference standard | 10 Hz ≤f ≤ 500 kHz 0 s to 105 s | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Capability With Calibration and Measurement Capability of - 0.02º for 10 Hz ≤f ≤ 100 Hz 0.03º for 100 Hz <f ≤ 1 kHz 0.05º for 1 kHz <f ≤ 5 kHz 0.07º for 5 kHz <f ≤ 10 kHz 0.15º for 10 kHz <f ≤ 500 kHz | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Speed and velocity - Speed measuring devices | LIDAR speed calibrators; Time interval equipment | Distance; Speed; Time interval | Direct measurement against a reference standard | 0 km/h to 300 km/h 10 m to 2 km 0 s to 105 s | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Capability Calibrators for laser-based (LIDAR) speed and distance measuring instruments (LIDAR calibrators)With Calibration and Measurement Capability of : 0.2 km/h in the range 0 km/h to 300 km/h, and 0.02 m in the range 10 m to 2 km Time Interval with least uncertainties of measurement of - √[(200 ps)2 + ((1.3x10-11s½)√T)2], from 0 s to 105 s (The uncertainty of measurement does not consider the DUT and follows the CCTF guidelines) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Time and frequency metrology - Frequency and time standards | Caesium standard; Frequency standards; GPS disciplined oscillators; Rubidium standard | Frequency | Measurement against reference standard | In-house (PM-TFR-T10) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Capability Standard frequency sources including Caesium Standards, Rubidium Standards and GPS Disciplined OscillatorsMeasurement of Frequency with Calibration and Measurement Capability of - 2 in 1013 at 1 Hz, 5 MHz and 10 MHz (a minimum slew rate of 1V/μs is assumed at frequencies below 100 kHz (The uncertainty of measurement does not consider the DUT and follows the CCTF guidelines) Measurement capability involves both laboratory based calibrations and those performed via remote monitoring | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Time interval | Measurement against reference standard |
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Capability Frequency standards, including Caesium Standards, Rubidium Standards and GPS Disciplined OscillatorsMeasurement of Time Interval with least uncertainties of measurement of - √[(200 ps)2 + ((1.3x10-11s½)√T)2], from 0 s to 105 s (The uncertainty of measurement does not consider the DUT and follows the CCTF guidelines) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Frequency | Measurement against reference standard | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Capability General frequency sources, including Caesium Standards, Rubidium Standards, and GPS Disciplined Oscillators with Calibration and Measurement Capability of - 2 in 1013 from 1 mHz to 27.5 GHz (a minimum slew rate of 1V/μs is assumed at frequencies below 100 kHz (The uncertainty of measurement does not consider the DUT and follows the CCTF guidelines) Measurement capability involves both laboratory based calibrations and those performed via remote monitoring | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Coordinated universal time (UTC) | Measurement against reference standard | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Capability Frequency standards including Caesium Standards, Rubidium Standards, and GPS Disciplined Oscillators Measurement of Coordinated Universal Time (UTC) with Calibration and Measurement Capability of - 12 ns The uncertainty of measurement does not consider the DUT and follows the CCTF guidelines Measurement capability includes both laboratory based calibrations and those performed via remote monitoring | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Laser length standards (interferometers) | Frequency | Measurement against reference standard | Measurement of optical frequency / wavelength of stabilised lasers used in length interferometry in accordance with Test Method PM-TFR-T08 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Capability With Calibration and Measurement Capability of -10 kHz at 282 THz, 474 THz and 564 THz (vacuum wavelengths 1064 nm, 633 nm and 532 nm) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Time and frequency metrology - Frequency, time and waveform measuring equipment | Clocks and timers; Counters; Frequency analysers; Frequency meters; Time interval meters | Frequency; Time interval | Measurement against reference standard | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Capability The uncertainty of measurement does not consider the DUTand follows the CCTF guidelines Frequency characteristics Frequency with Calibration and Measurement Capability of - 2 in 1013 from 1 mHz to 27.5 GHz (a minimum slew rate of 1V/μs is assumed at frequencies below 100 kHz Time characteristics Time Interval with Calibration and Measurement Capability of - √[(200 ps)2 + ((1.3x10-11s½)√T)2], from 0 s to 105 s | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Accreditation No.
1
Site No.
14356
Print date
24 Nov 2024
END OF SCOPE