National Measurement Institute (NMI)

Site

Flow Standards Project

Accreditation No.

1

Site No.

25590

Date of Accreditation

01 Jul 2023

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

Print scopes
Flow Standards Project

ISO/IEC 17025 (2017)

Calibration

Service Product Determinant Technique Procedure Limitations
Flow metrology - Flow measuring devices and systems Gas meters; Orifice meters; Sonic nozzles Flow rate; Volume (and nominal flow rate) Direct comparison against a reference standard In-house Test Methods EAFA 8.2.25 and EAFA 8.2.27

Capability

Calibration of gas flow meters for Mass Flow Rate, Volume flow rate and Volume
using Bell Prover;
including
Rotary Meters;
Turbine Meters;
Heat Element Meters (Thermal Flowmeter and Mass Flow Controllers);
Variable Area  Flowmeter/Rotameters;
Soap Film Meters;
Wet Gas Meters;
Differential Pressure Flowmeters (Orifice Plate/Nozzle and Laminar Flow Element);
Ultrasonic Meters;
Domestic Gas Meters;
Piston Prover Meters;
Critical Flow Venturi Nozzles (Sonic Nozzles)

With Calibration and Measurement Capability of -
0.1% of  flowrate normalised to 101.325kPa and 20°C
from 1.5 Nm³/h to 25 Nm³/h  
using air, nitrogen, argon, carbon dioxide, helium or oxygen
at pressures up to 700 kPa
Flow rate; Volume (and nominal flow rate) Direct measurement by critical flow venturi nozzle In-house Test Method EAFA 8.2.26

Capability

Calibration of gas flow meters for Mass flow rate, Volume flow rate and Volume

using Sonic Nozzle Arrays;
and including
Rotary Meters;
Turbine Meters;
Heat Element Meters (Thermal Flowmeter and Mass Flow Controllers);
Variable Area  Flowmeter/Rotameters;
Soap Film Meters;
Wet Gas Meters;
Differential Pressure Flowmeters (Orifice Plate/Nozzle and Laminar Flow Element);
Ultrasonic Meters;
Domestic Gas Meters;
Piston Prover Meters;
Critical Flow Venturi Nozzle (Sonic Nozzles)
 
With Calibration and Measurement Capability of -
0.13% of flowrate normalised to 101.325kPa and 20°C
from 0.005 Nm³/h to 60 Nm³/h
using air, nitrogen, argon, carbon dioxide, helium or oxygen
at pressures up to 700 kPa (flowrate normalised to 101.325kPa and 20°C)

0.13% of flowrate normalised to 101.325kPa and 20°C
from 60 Nm³/h to 480 Nm³/h
using air
at pressures up to 700 kPa (flowrate normalised to 101.325kPa and 20°C)

0.17% of flowrate normalised to 101.325kPa and 20°C
from 480 Nm³/h to 7000 Nm³/h
using air at atmospheric pressures (flowrate normalised to 101.325kPa and 20°C)
Flow rate; Volume (and nominal flow rate) Direct comparison against a reference standard In-house Test Method EAFA 8.2.25 and EAFA 8.2.27

Capability

Calibration of gas flow meters for Mass Flow Rate, Volume flow rate and Volume
using Mercury Sealed Piston Prover;
including
Rotary Meters;
Turbine Meters;
Heat Element Meters (Thermal Flowmeter and Mass Flow Controllers);
Variable Area  Flowmeter/Rotameters;
Soap Film Meters;
Wet Gas Meters;
Differential Pressure Flowmeters (Orifice Plate/Nozzle and Laminar Flow Element);
Ultrasonic Meters;
Domestic Gas Meters;
Piston Prover Meters;
Critical Flow Venturi Nozzles (Sonic Nozzles)

With Calibration and Measurement Capability of -
0.1% of  flowrate normalised to 101.325kPa and 20°C
from 0.060x10-3 Nm³/h to 2 Nm³/h  
using air, nitrogen, argon, carbon dioxide, helium or oxygen
at pressures up to 700 kPa (flowrate normalised to 101.325kPa and 20°C)
High pressure gas meters Flow rate Comparison with a reference meter; Gravimetric; Volumetric transfer

Capability

Calibration of high pressure gas flow meters at the Londonderry Flow Facility;

With Calibration and Measurement Capability of -

0.10% of flow rate from 1 kg/min to 100 kg/min and from 10 000 kPa to 30 000 kPa (100 bar to 300 bar)
Liquid meters Flow rate Direct comparison against a reference standard; Volumetric transfer From 4 L/min to 1700 L/min (Propane and Butane)
From 5 L/min to 4100 L/min in synthetic Petrol and Diesel fluids

Capability

Calibrations at Londonderry Flow Facility
By comparison with a volumetric piston prover;
With Calibration and Measurement Capability of -
0.08% of flow rate from 4 L/min to 1700 L/min (Propane and Butane)
0.031% of flow rate from 5 L/min to 4100 L/min in synthetic Petrol and Diesel fluids
With a minimum of 5 passes of the piston prover
Flow rate Comparison with a reference meter; Volumetric transfer From 4 L/min to 1600 L/min (Propane and Butane)
From 5 L/min to 4100 L/min in synthetic Petrol and Diesel fluids

Capability

Calibrations at Londonderry Flow Facility
With Calibration and Measurement Capability of-
0.12% of flow rate from 4 L/min to 1600 L/min (Propane and Butane)
0.05% of flow rate from 5 L/min to 4100 L/min in synthetic Petrol and Diesel fluids
Flow rate Gravimetric From 5 to 30 kg/min using fluids from 700 to 1000 kg/m3

Capability

Calibrations at Londonderry Flow Facility
With Calibration and Measurement Capability of -
Calibrations at Londonderry Flow Facility
0.042% of flow rate from 5 to 30 kg/min using fluids from 700 to 1000 kg/m3
With a minimum batch size of 30 kg
Volume and density - Industrial volumetric equipment and bulk storage Industrial volumetric proving measures; Standard measures - > 25 L Volume Gravimetric

Capability

Calibrations performed at Lindfield and Londonderry Flow Facility
With Calibration and Measurement Capability of -
0.01% from 1 L to 6000 L

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.

Grey text appearing in a SoA is additional freetext providing further refinement or information on the data in the preceding line entry.