National Measurement Institute (NMI)

Site

Time and Frequency Project

Accreditation No.

1

Site No.

14356

Date of Accreditation

29 Mar 2000

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

Scope of Accreditation

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
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 -
0.02° for 10 Hz ≤f ≤ 100 Hz
0.03° for 100 Hz <f ≤ 1 kHz
0.05° for 1 kHz <f ≤ 5 kHz
0.07° for 5 kHz <f ≤ 10 kHz
0.15° 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 Oscillators
Measurement 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

 

Capability

Frequency standards, including Caesium Standards, Rubidium Standards and GPS Disciplined Oscillators
Measurement 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 -
50 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

182 THz to  565 THz
(vacuum wavelength 1650 nm to 530 nm)
0 s to 105 s

Capability

10 kHz from 182 THz to 565 THz
(vacuum wavelength 1650 nm to 530 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 DUT 
and 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

The only data displayed is that deemed relevant and necessary for the clear description of the activities and services covered by the scope of accreditation.

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