National Measurement Institute (NMI)

Site

Melbourne Physical Metrology Laboratory – Dimensional and Pressure

Accreditation No.

1

Site No.

14319

Date of Accreditation

28 Jun 1999

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

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
Dimensional metrology - Engineering equipment and precision instruments Autocollimators Angle (arc) Direct measurement against a reference standard

Capability

With Calibration and Measurement Capability of -

0.15 seconds of arc from 0 seconds of arc to 1000 seconds of arc
Dial gauges; Electronic length gauges; Micrometer heads Length measurements Direct measurement against a reference standard

Capability

With Calibration and Measurement Capability of -
Micrometer heads
0.3 μm from 0 mm to 25.4 mm

Dial gauges & electronic length indicators
0.21 μm from 0 mm to 25.4 mm (depending on instrument resolution)
Steel rulers and measuring tapes Length measurements Direct measurement against a reference standard

Capability

With Calibration and Measurement Capability of -
0.008 mm from 1 mm up to 1 m for steel rules
Measuring Tapes:
0.3 mm from 1 mm up to 30 m
0.6 mm above 30 m up to 60 m
0.9 mm above 60 m up to 100 m 
Dimensional metrology - Jigs, fixtures, cutting tools, machine tools, gears, splines and serrations Components and QC standards; Jigs and fixtures Angle; Diameter; Flatness; Length measurements; Parallelism Direct measurement

Capability

With Calibration and Measurement Capability of -

Types requiring linear, angular and form measurements 
(1.9 + 0.003 x L) μm for lengths (L) from 0.01 mm to 1200 mm
Dimensional metrology - Length and angle standards Angle gauges and precision polygons; Precision circular scales Angle (arc) Direct measurement against a reference standard

Capability

With calibration and measurement capability of -
0.05 seconds of arc for precision circular scales (rotary encoder)
0.2 seconds of arc for polygons with up to 72 sides
0.3 seconds of arc for angle gauges
Calibration gauges for coordinate measuring machines Angle (arc); Diameter; Flatness; Length measurements; Parallelism Direct measurement against a reference standard

Capability

With calibration and measurement capability of -
(0.72 + (0.0015 x L)2)0.5 μm for lengths (L) from 0 mm to 1200 mm
External cylindrical standards; Internal cylindrical standards Diameter Direct measurement against a reference standard

Capability

With calibration and measurement capability of -
(902 + (1.3 x L)2)0.5 nm for diameters (L) from 1.5 mm to 125 mm for internal cylindrical standards
(902 + (1.3 x L)2)0.5 nm for diameters (L) from 1 mm to 200 mm for external cylindrical standards
Gauge blocks and accessories; Length bars and accessories Length measurements Direct measurement against a reference standard

Capability

With calibration and measurement capability of -
(432 + (0.7 x L)2)0.5 nm for lengths (L) from 0.5 mm to 102 mm
(942 + (1.02 x L)2)0.5 nm for lengths (L) from 102 mm to 1300 mm
Laser length interferometers Length measurements Direct measurement against a reference standard

Capability

With calibration and measurement capability of -

(402 + (12 x L)2)0.5 nm for lengths (L) from 0 m to 20 m

Optical flats; Optical parallels Flatness; Length measurements; Parallelism Direct measurement against a reference standard

Capability

With calibration and measurement capability of -
(202 + (0.24 x L)2)0.5 nm for diameters (L) from 10 mm to 200 mm (flatness)
30 nm for diameters from 10 mm to 200 mm (parallelism)
80 nm for diameters from 10 mm to 200 mm (length)
Precision linear scales Length measurements Direct measurement against a reference standard

Capability

With calibration and measurement capability of -
0.14 μm to 0.17 μm for lengths from 0.01 mm to 300 mm (stage micrometers and graticules)
(0.32 + (0.0012 x L)2)0.5 μm for lengths (L) from 0.5 mm to 1000 mm

Dimensional metrology - Limit gauges and reference standards Plain plug gauges Diameter Direct measurement against a reference standard

Capability

With Calibration and Measurement Capability of -

(902 + (1.3 x L)2)0.5 nm for diameters (L) from 1.0 mm to 125 mm
Dimensional metrology - Surface topography Cylinders; Hemispherical and spherical standards; Inclined standards; Magnification standards; Rings; Roundness standards Depth; Roundness Comparison with a reference standard by differential measurement; Direct measurement

Capability

With calibration and measurement capability of -
0.008 μm for hemispherical and spherical standards
0.03 μm for cylinders and rings, diameters up to 400 mm
0.10 μm for magnification standards (sagitta depth)
0.10 μm for inclined standards
Surface finish reference standards Depth; Ra; Surface texture Direct measurement Calibration of surface finish reference standards following ISO 5436

Capability

With calibration and measurement capability of -
(0.005 + 0.0047 D) μm where D is the depth in μm for grooves and step heights from 0.1 μm to 250 μm
(0.013 + 0.017 P) μm where P is the measured parameter Ra or Rq from 0.1 μm to 250 μm
(0.005 + 0.016 P) μm where P is the measured parameter Rz, Rp, Rv or Rt from 0.1 μm to 250 μm


Dimensional metrology - Survey and alignment equipment Electronic distance measuring equipment Length measurements Direct measurement

Capability

With Calibration and Measurement Capability of -

0.14 mm to 0.22 mm in the range 0 m to 131 m by comparison to laser interferometer
0.25 mm to 0.49 mm in the range 20 m to 650 m by base line measurements
3 in 108 for scale factor by frequency calibration under ambient laboratory conditions
0.1 mm for zero offset correction by baseline measurements and least square determination (ISO17123 part 4)
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 °C from 18 °C to 25 °C

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 °C from 18 °C to 25 °C

ISO/IEC 17025 (2017)

Manufactured Goods

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

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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