Zinfra Pty Ltd

Site

Zinfra Pty Ltd Meter Testing Facility

Accreditation No.

20726

Site No.

22851

Date of Accreditation

15 Jan 2016

Address

14 Donald Street
Old Guildford, NSW 2161
Australia

Contact

Mr Fred Khalil P: +61 (02) 98677183

Availability

Services available to external clients

Zinfra Pty Ltd address map

Scope of Accreditation

Print scopes
Zinfra Pty Ltd Meter Testing Facility

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
Flow metrology - Flow measuring devices and systems Gas meters Volume (and nominal flow rate) Comparison with a reference meter; Direct measurement by critical flow venturi nozzle

Capability

Calibration in the laboratory of domestic gas flow meters using sonic nozzles with air at atmospheric conditions  

with Calibration and Measurement Capability of-

0.50% of volume at 0.01 m3/h to 0.03 m3/h,  with a minimum 2.4L test volume. (Qmin Rig5)

0.30% of volume from 0.016 m3/h to 0.099 m3/h, with a minimum 3.6 L test volume. (Rig 1)

0.25% of volume from 0.1 m3/h to 12.6 m3/h, with a minimum 3.6 L test volume. (Rig 1)

Calibration in the laboratory of commercial and industrial gas flow meters using sonic nozzles with air at atmospheric conditions  

with Calibration and Measurement Capability of-

0.30% of volume from 0.016 m3/h to 0.099 m3/h using sonic nozzles, with a minimum 300 L test volume (Rig 2)

0.25% of volume from 0.1 m3/h to 48 m3/h using sonic nozzles, with a minimum 300 L test volume (Rig 2)

0.25% of volume from 0.1 m3/h to 300 m3/h using sonic nozzles, with a minimum 300 L test volume (Rig 2 and 3)

0.25% of volume from 0.5 m3/h to 6500 m3/h, using reference meters, with a minimum 4000 pulses of reference meter (Rig 4)
Pressure metrology - Pressure and vacuum measuring equipment Digital pressure gauges; Mechanical pressure gauges Absolute pressure; Gauge pressure Comparison with dead weight tester In-house procedure WI.4.11.35
AS 1349
MSA Test Method 1 and 2

Capability

Gauge pressure
With Calibration and Measurement Capability of -
0.36 kPa from 0 to 1000 kPa
1.22 kPa above 1 MPa to 2 MPa
1.3 kPa to 1.6 kPa above 2 MPa to 7 MPa
1.6 kPa to 3.3 kPa above 7 MPa to 20 MPa

Absolute pressure
With Calibration and Measurement Capability of -
0.36 kPa from 100 kPa to 1000 kPa
1.22 kPa above 1 MPa to 2 MPa
1.3 kPa to 1.6 kPa above 2 MPa to 7 MPa
1.6 kPa to 3.3 kPa above 7 MPa to 20 MPa
Temperature metrology - Temperature measuring equipment Digital temperature measuring systems Temperature Measurement against reference standard

Capability

Resistance Temperature sensors only
With Calibration and Measurement Capability of -
0.1 °C from -10 °C to 50 °C

ISO/IEC 17025 (2017)

Manufactured Goods

Service Product Determinant Technique Procedure Limitations
Pattern approval and physical performance evaluation of metering and trade measurement equipment Gas measuring systems Pattern approval tests - Leakage Integrity

Leak testing on domestic and industrial gas meters between 5 kPa and 300 kPa with a detection limit of 0.00012m3/h or 0.0000333 L/s by in-house method of pressure decay as per PROC.4.10.6
Water meters Endurance Durability

By in-house method of flowing tap water at up to 90ºC and periodically verifying registrations of water volume and condition of meters as per PROC.4.10.7

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