National Weighing & Instruments Pty Ltd (trading as NWI Calibration)

Site

Perth Laboratory (Precision Balances)

Accreditation No.

1960

Site No.

11714

Date of Accreditation

28 Jun 1996

Address

19 Industrial Drive
Malaga, WA 6090
Australia

nwigroup.com.au

Contact

Mr Jamie Connolly P: +61 1300669162

Availability

Services available to external clients

Scope of Accreditation

Perth Laboratory (Precision Balances)

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
Mass - Determination of mass and calibration of weighing devices Laboratory weighing devices; Precision laboratory balances Mass Gravimetric measurement against reference mass

Capability

Including on site calibrations
with Calibration and Measurement Capability of -
Precision laboratory balances -
10 µg up to 1 g
13 µg above 1 g to 2 g
23 µg above 2 g to 10 g
27 µg above 10 g to 20 g
1 in 10⁶ or 44 µg (whichever is greater) above 20 g to 1.9 k g
2.1 mg above 1.9 kg to 2 kg
1.1 in 10⁶ or 2.7 mg ( whichever is greater) above 2 kg to 3 kg
1.2 in 10⁶ above 3 kg to 5 kg
2.5 in 10⁶ or 24 mg (whichever is greater) above 5 kg to 40 kg
Industrial balances -
1.5 in 10⁵ or 1 mg (whichever is greater) from 1 g to 100 kg

Temperature metrology - Verification of controlled enclosures Baths; Dry block heaters; Freezers; Furnaces; Incubators; Ovens Spatial uniformity; Temperature; Temporal uniformity Direct temperature measurement In-house NWI SOP 4, SOP 91
AS 2853-1986

Capability

including on-site calibration
with Calibration and Measurement Capability of -
Furnaces; Incubators; Ovens; Freezers; Baths
0.2 °C from -85 °C to 50 °C
0.6 °C above 50 °C to 200 °C
0.9 °C above 200 °C to 400 °C
1.2 °C above 400 °C to 600 °C
2.2 °C above 600 °C to 800 °C
2.5 °C above 800 °C to 1200°C
Dry block heaters;
0.6 ºC from 25 ºC to 100 ºC

Environmental chambers - Humidity Humidity By temperature and humidity measurement

In-house SOP 4 and 95 

IEC 60068-3-6

Capability

including on-site calibration
with Calibration and Measurement Capability of -

2.0 % rh from 10 % rh to 95 % rh at the temperature of 23 ºC

2.3% rh from 10% rh to 95% rh at temperatures from 20 °C to 50 °C
3.5% rh from 10% rh to 95% rh at temperatures above 50 °C to 90 °C
Environmental chambers - Temperature Spatial uniformity; Temperature Direct temperature measurement

In-house NWI SOP 4 and 95
AS 2853-1986
IEC 60068-3-5:2018 (excluding rate of change of cooling and heating tests)  


Capability

including on-site calibration
with Calibration and Measurement Capability of  -
0.2 °C from -85 °C to 50 °C
0.6 °C above 50 °C to 200 °C
Medical refrigeration equipment Spatial uniformity; Temperature Direct temperature measurement Six Monthly Tasks by AS 3864.2 section 3.6.1 and NWI SOP 12
Annual Tasks by AS 3864.2 section 3.7.1 and NWI SOP 12
Spatial Temperature distribution by method of AS 3864.2 Clause 3.8.3 and NWI SOP 4.

Capability

Including on-site calibrations
Spatial uniformity
with Calibration and measurement Capability of –
0.2°C from -85 °C to 15 °C
Six-Monthly Tasks and Annual Tasks
with Calibration and measurement Capability of –
0.1 ºC from -80 ºC to 15 ºC

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.