National Measurement Institute (NMI)

Site

Pressure Standards Project

Accreditation No.

1

Site No.

25588

Date of Accreditation

01 Jul 2023

Address

Unit 1, 153 Bertie Street
Port Melbourne, VIC 3207
Australia

measurement.gov.au

Contact

Ms Charmaine Kwan P: +61 (02) 84673836

Availability

Services conditionally available to external clients

Scope of Accreditation

Print scopes
Pressure Standards Project

ISO/IEC 17025 (2017)

Calibration

Service Product Determinant Technique Procedure Limitations
Mass - Determination of mass and calibration of weighing devices Pressure calibration standards Mass Gravimetric measurement against reference mass 1 g to 10 kg

Capability

With Calibration and Measurement Capability of -

Calibration of masses for pressure balances (including piston mass)
0.2 mg + 2 mg/kg from 1 g to 300 g
3 mg + 2 mg/kg from 300 g to 10 kg
Pressure metrology - Pressure and vacuum measuring equipment Barometers; Digital pressure gauges; Manometers; Pressure control devices; Pressure gauges; Pressure transducers Absolute pressure; Gauge pressure Comparison with reference instrument

Capability

With calibration and measurement capability of -
Aneroid barometers (including onsite calibrations)
0.8 Pa or 0.0020 % , whichever is the greater, from 10 kPa to 50 kPa absolute,
1.0 Pa from 50 kPa to 120 kPa absolute.

In-situ single point check of mercurial barometers at the prevailing atmospheric pressure (and temperature)
25 Pa

Includes in-house calibration of integral thermometers
0.1 ºC from 18 ºC to 25 ºC

Calibration of pneumatic pressure devices
0.8 Pa or 0.0020% whichever is greater, from 1.38 kPa to 50 kPa absolute
1.0 Pa from 50 kPa to 120 kPa absolute
 0.0020% from 120 kPa to 10000 kPa absolute
0.5 Pa or 0.0010% whichever is greater, from -0.3 kPa to 170 kPa gauge
0.0015% from 170 kPa to 700 kPa gauge
0.0016% + (0.0001% * P) MPa-1 from 700 kPa to 10000 kPa gauge
where the magnitude of the pressure P is in MPa

Calibration of hydraulic pressure devices
10 Pa or 0.0020% from 0.06 MPa to 10 MPa
√[(25x10-6(P))2+(0.17x10-6(P)2)2] MPa from 10 MPa to 500 MPa
where the magnitude of the pressure P is in MPa
Vacuum gauges Absolute pressure; Gauge pressure Comparison with reference instrument

Capability

Bourdon tube and non bourdon tube types including those listed below
With Calibration and Measurement Capability of-

Capacitance Diaphragm Gauges and similar types using aneroid sensing elements, and having negligible gas species sensitivity

0.004 Pa plus 0.1% of reading in the range of 0.1 Pa to 1 Pa
0.5% of reading in the range of 1 Pa to 10 Pa
0.05 Pa or 0.3% of reading, whichever is the greater, in the range of 10 Pa to 1380 Pa

Thermal Conductivity Gauges and other non-aneroid types
0.012 Pa in the range of 0.1 Pa to 0.65 Pa
0.06 Pa in the range of 0.65 Pa to 5 Pa
1.5% of reading in the range of 5 Pa to 1380 Pa
Pressure metrology - Pressure standards Air operated piston gauges; Oil operated piston gauges; Pressure calibrators - Non-dead weight Absolute pressure; Gauge pressure Comparison with dead weight tester; Comparison with reference instrument

Capability

With calibration and measurement capability of -
Calibration of Pneumatic pressure balances and Air operated piston gauges
0.8 Pa or 0.0020% whichever is greater, from 3 kPa to 10000 kPa absolute
0.5 Pa or 0.0010% whichever is greater, from 0.3 kPa to 170 kPa gauge
0.5 Pa or 0.0015% whichever is greater, from 170 kPa to 700 kPa gauge
0.5 Pa or 0.0016% + (0.0001% * P) MPa-1 whichever is greater, from 700 kPa to 10000 kPa gauge
where the magnitude of the pressure P is in MPa

Calibration of Hydraulic pressure balances and Oil operated piston gauges
10 Pa or 0.0020% from 0.06 MPa to 10 MPa
√[(25x10-6(P))2+(0.17x10-6(P)2)2] MPa from 10 MPa to 500 MPa
where the magnitude of the pressure P is in MPa

Includes calibration of integral thermometers
0.1 ºC from 18 ºC to 25 ºC

ISO/IEC 17025 (2017)

Manufactured Goods

Service Product Determinant Technique Procedure Limitations
Performance evaluation of personal protective equipment (PPE) Medical face masks Breathability Not applicable AS 4381 Table 2
EN 14683:2014 Annex C
 Single use face masks
Synthetic blood penetration Not applicable AS 4381 Table 2
ASTM F1862-13/ASTM F1862M-13
ASTM F1862/ASTM F1862M
ISO 22609 		Single use face masks (including Target Plate method)

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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