
National Association of Testing Authorities, Australia
Scope of Accreditation
National Measurement Institute (NMI)
Site
Flow Standards Project
Accreditation No.
1
Site No.
25590
Date of Accreditation
01 Jul 2023
Contact
Availability
Services conditionally available to external clients
Scope of Accreditation
ISO/IEC 17025 (2017)
Calibration
Service | Product | Determinant | Technique | Procedure | Limitations | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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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 |
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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) |
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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 Volumeusing 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) |
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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) |
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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 |
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Capability Calibrations at Londonderry Flow FacilityBy 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 |
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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 |
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Capability Calibrations at Londonderry Flow FacilityWith 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 |
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Flow rate | Gravimetric |
From 5 to 30 kg/min using fluids from 700 to 1000 kg/m3 |
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Capability Calibrations at Londonderry Flow FacilityWith 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 |
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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 FacilityWith Calibration and Measurement Capability of - 0.01% from 1 L to 6000 L |
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Accreditation No.
1
Site No.
25590
Print date
07 Dec 2023