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

Site

Standards Laboratory Sydney

Accreditation No.

1960

Site No.

1953

Date of Accreditation

23 Aug 1985

Address

Unit 1, 88 Magowar Road
Girraween, NSW 2145
Australia

nwigroup.com.au

Contact

Mr Jamie Connolly P: +61 1300669162

Availability

Services available to external clients

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

Scope of Accreditation

Print scopes
Standards Laboratory Sydney

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
DC and low frequency electrical metrology - Electrical instrument calibrators Instrument calibrators AC voltage Comparison with a reference standard

Capability

With Calibration of measurement capability of-
35 μV above 10 mV to 100 mV from 10 Hz to 20 kHz
69 μV above 10 mV to 100 mV above 20 kHz to 50 kHz
102 μV above 10 mV to 100 mV above 50 kHz to 100 kHz
331 μV above 10 mV to 100 mV above 100 kHz to 300 kHz
0.04% or 31 μV above 100 mV to 1 V above 10 Hz to 20 kHz
0.05% or 31 μV above 100 mV to 1 V above 20 kHz to 50 kHz
0.09% or 470 μV above 100 mV to 1 V above 50 kHz to 100 kHz
0.35% or 1.7 mV above 100 mV to 1 V above 100 kHz to 300 kHz
1.1% or 5 mV above 100 mV to 1 V above 300 kHz to 500 kHz
0.04% or 3.3 mV above 1 V to 10 V from 10 Hz to 20 kHz
0.05% or 3.8 mV above 1 V to 10 V above 20 kHz to 50 kHz
0.09% or 2.8 mV above 1 V to 10 V above 50 kHz to 100 kHz
0.34% or 16.6 mV above 1 V to 10 V above 100 kHz to 300 kHz
1.1% or 50 mV above 1 V to 10 V above 300 kHz to 500 kHz
0.04% or 38 mV above 10 V to 100 V from 10 Hz to 20 kHz
0.04% or 43 mV above 10 V to 100 V above 20 kHz to 50 kHz
0.14% or 67 mV above 10 V to 100 V above 50 kHz to 100 kHz
0.05% or 250 mV above 100 V to 300 V from 10 Hz to 1 kHz
AC current Comparison with a reference standard

Capability

With Calibration of measurement capability of-
0.45% or 0.45 μA up to 120 μA from 10 Hz to 20 Hz
0.20% or 0.18 μA up to 120 μA above 20 Hz to 45 Hz
0.10% or 0.10 μA up to 120 μA above 45 Hz to 5 kHz
0.45% or 2.7 μA above 120 μA to 1.2 mA from 10 Hz to 20 Hz
0.20% or 1.2 μA above 120 μA to 1.2 mA above 20 Hz to 45 Hz
0.09% or 0.76 μA above 120 μA to 1.2 mA above 45 Hz to 100 Hz
0.07% or 0.50 μA above 120 μA to 1.2 mA above 100 Hz to 5 kHz
0.43% or 43 μA above 1.2 mA to 12 mA from 10 Hz to 20 Hz
0.18% or 16 μA above 1.2 mA to 12 mA above 20 Hz to 45 Hz
0.09% or 8 μA above 1.2 mA to 12 mA above 45 Hz to 100 Hz
0.06% or 5.6 μA above 1.2 mA to 12 mA above 100 Hz to 5 kHz
0.43% or 420 μA above 12 mA to 120 mA from 10 Hz to 20 Hz
0.18% or 150 μA above 12 mA to 120 mA above 20 Hz to 45 Hz
0.09% or 74 μA above 12 mA to 120 mA above 45 Hz to 100 Hz
0.06% or 50 μA above 12 mA to 120 mA above 100 Hz to 5 kHz
0.43% or 3.9 mA above 120 mA to 1.05 A from 10 Hz to 20 Hz
0.19% or 1.6 mA above 120 mA to 1.05 A above 20 Hz to 45 Hz
0.11% or 0.9 mA above 120 mA to 1.05 A above 45 Hz to 100 Hz
0.13% or 1.1 mA above 120 mA to 1.05 A above 100 Hz to 5 kHz
0.092% + 3 mA above 1.05 A to 3 A from 45 Hz to 1 kHz
0.082% + 11 mA above 3A to 11 A from 45 Hz to 1 kHz
DC voltage Comparison with a reference standard

Capability

With Calibration of measurement capability of-
1.7 μV up to 120 mV
0.002% or 7 μV (which ever is greater) above 120 mV to 1.2 V
0.002% or 56 μV (which ever is greater) above 1.2 V to 12 V
0.002% or 1 mV (which ever is greater) above 12 V to 120 V
0.002% or 10 mV (which ever is greater) above 120 V to 1000 V
Resistance Comparison with a reference standard

Capability

With Calibration of measurement capability of-
0.26 mΩ from 1 mΩto 100 mΩ
0.32 mΩ above 100 mΩ to 10 Ω
0.015% above 10 Ω to 25 Ω
0.009% above 25 Ω to 400 Ω
0.004% above 400 Ω to 1 kΩ
0.008% above 1 kΩ to 1.4 kΩ
0.004% above 1.4 kΩ to 100 kΩ
0.020% above 100 kΩ to 300 kΩ
0.009% above 300 kΩ to 700 kΩ
0.004% above 700 kΩ to 1 MΩ
0.04% above 1 MΩ to 3 MΩ
0.03% above 3 MΩ to 10 MΩ
0.07 MΩ above 10 MΩ to 30 MΩ
DC current Comparison with a reference standard

Capability

With Calibration of measurement capability of-
0.8 µA up to 10 μA
0.01% from 10 μA to 12 mA
0.01% or 2.5 μA above 12 mA to 120 mA
0.015% or 73 μA above 120 mA to 1.2 A
0.12% + 0.3 mA above 1.2 A to 3 A
0.092% + 5 mA above 3 A to 11 A
DC and low frequency electrical metrology - Electrical measurement and test equipment Ammeters; Data recorders; Digital multimeters (DMM) AC current Direct measurement against a reference standard

Capability

with Calibration and Measurement Capability of - 

0.32% + 34 nA from 10 µA to 120 µA from 10 Hz to 20 Hz
0.12% + 37 nA from 10 µA to 120 µA above 20 Hz to 45 Hz
0.046% + 28 nA from 10 µA to 120 µA above 45 Hz to 100 Hz
0.043% + 27 nA from 10 µA to 120 µA above 100 Hz to 1 kHz

0.32% + 0.16 µA above 0.12 mA to 1.2 mA from 10 Hz to 20 Hz
0.12% + 0.16 µA above 0.12 mA to 1.2 mA above 20 Hz to 45 Hz
0.048% + 0.16 µA above 0.12 mA to 1.2 mA above 45 Hz to 100 Hz
0.023% + 0.19 µA above 0.12 mA to 1.2 mA above 100 Hz to 5 kHz
0.043% + 0.24 µA above 0.12 mA to 1.2 mA above 5 kHz to 20 kHz
0.32% + 0.35 µA above 0.12 mA to 1.2 mA above 20 kHz to 30 kHz

0.32% + 1.6 µA above 1.2 mA to 12 mA from 10 Hz to 20 Hz
0.12% + 1.6 µA above 1.2 mA to 12 mA above 20 Hz to 45 Hz
0.048% + 1.6 µA above 1.2 mA to 12 mA above 45 Hz to 100 Hz
0.025% + 1.6 µA above 1.2 mA to 12 mA above 100 Hz to 5 kHz
0.048% + 1.6 µA above 1.2 mA to 12 mA above 5 kHz to 20 kHz
0.32% + 3.2 µA above 1.2 mA to 12 mA above 20 kHz to 30 kHz

0.32% + 21 µA above12 mA to 120 mA from 10 Hz to 20 Hz
0.12% + 18 µA above 12 mA to 120 mA above 20 Hz to 45 Hz
0.048% + 16 µA above 12 mA to 120 mA above 45 Hz to 100 Hz
0.024% + 16 µA above 12 mA to 120 mA above 100 Hz to 5 kHz
0.049% + 16 µA above 12 mA to 120 mA above 5 kHz to 20 kHz
0.32% + 32 µA above 12 mA to 120 mA above 20 kHz to 30 kHz

0.32% + 0.24 mA above 0.12 A to 1.05 A from 10 Hz to 20 Hz
0.13% + 0.16 mA above 0.12 A to 1.05 A above 20 Hz to 45 Hz
0.064% + 0.16 mA above 0.12 A to 1.05 A above 45 Hz to 100 Hz
0.08% + 0.16 mA above 0.12 A to 1.05 A above 100 Hz to 5 kHz
0.24% + 0.16 mA above 0.12 A to 1.05 A above 5 kHz to 10 kHz

0.15% + 80 µA above 1.05 A to 3 A from 10 Hz to 45 Hz
0.048% + 80 µA above 1.05 A to 3 A above 45 Hz to 1 kHz
0.48% + 0.79 mA above 1.05 A to 3 A above 1 kHz to 5 kHz
2% + 4 mA above 1.05 A to 3 A above 1 kHz to 10 kHz

0.048% + 1.6 mA above 3 A to 11 A from 45 Hz to 100 Hz
0.08% + 1.6 mA above 3 A to 11 A above 100 Hz to 1 kHz
2.4% + 1.6 mA above 3 A to 11 A above 1 kHz to 5 kHz

0.095% + 4 mA above 11 A to 20.5 A from 45 Hz to 100 Hz
0.12% + 4 mA above 11 A to 20.5 A above 100 Hz to 1 kHz
2.4% + 4 mA above 11 A to 20.5 A above 1 kHz to 5 kHz
DC current Direct measurement against a reference standard

Capability

with Calibration and Measurement Capability of -

0.001% + 2.6 nA up to 120 µA
0.0022% + 6 nA above 0.12 mA to 1.2 mA
0.0022% + 50 nA above 1.2 mA to 12 mA
0.0035% + 0.5 µA above 12 mA to 120 mA
0.0094% + 9 µA above 0.12 A to 1.2 A
0.04% + 40 µA above 1.2 A to 2.2 A
0.06% + 500 µA above 2.2 A to 11 A
Appliance testers; Insulation resistance test equipment DC voltage; Resistance Comparison with a reference standard; Direct measurement against a reference standard

Capability

Insulation Resistance
With Calibration and Measurement Capability -
0.06 % +0.6 kΩ from 100 kΩ to below 200 kΩ up to 800 Vdc
0.13% + 0.4 kΩ from 200 kΩ to below 1000 kΩ up to 1100 Vdc
10 kΩ from 1 MΩ to below 2 MΩ up to 1575 Vdc
0.22% + 4 kΩ or 10 kΩ (whichever is greater) from 2 MΩ to below 10 MΩ up to 2500 Vdc

Up to 5500 Vdc
0.1 MΩ from 10 MΩ to below 20 MΩ
0.4% or 1 MΩ (whichever is greater) from 20 MΩ to 1 GΩ
2% above 1 GΩ to 2 GΩ 
3% above 2 GΩ to 100 GΩ

Up to 10 000 Vdc
0.8 % + 3.6 MΩ from 350 MΩ to 1 GΩ
3.6% above 1 GΩ to 100 GΩ

Output Voltage of Insulation Testers
With Calibration and Measurement Capability -
0.19% + 13 mV up to 100 V
0.16 % +0.46 V above 100 V to 1.1 kV
0.54 % + 3 V above 1.1 kV to 5 kV
0.56 % + 1.9 V above 5 kV to 10 kV
Current clamps AC current; DC current Comparison with a reference standard SOP No.56

Capability

With Calibration and measurement Capability of –
AC Current
0.5 % + 0.2 A from 10 A to below 150 A and 45 Hz to 65 Hz
0.46 % + 0.71 A from 150 A to 400 A and 45Hz to 65 Hz
0.8 % above 400 A to 700 A and 45 Hz to 65 Hz
0.7% above 700 A to 1025 A and 45 Hz to 65 Hz
1.0 % + 0.3 A from 10 A to below 150 A and 65 Hz to 440 Hz
1.1 % + 0.7 A from 150 A to 400 A and 65 Hz to 440 Hz
1.3% + 0.7 A above 400 A to 1025 A and 65 Hz to 440 Hz
DC Current
 0.4% + 0.4A from 10 A to 1025 A
Data recorders; Digital multimeters (DMM); Ohm meters Resistance Direct measurement against a reference standard

Capability

with Calibration and Measurement Capability of -

0.0008% + 0.27 mΩ from 0 to 12 Ω
0.001% + 2.3 mΩ above 12 to 120 Ω
0.0005% + 15 mΩ from 120 Ω to 1.2 kΩ
0.0005% + 0.15 Ω from 1.2 to 12 kΩ
0.0005% + 1.5 Ω from 12 to 120 kΩ
0.0007% + 24 Ω from 0.12 to 1.2 MΩ
0.003% + 0.74 kΩ from 1.2 to 12 MΩ
0.047% + 57 kΩ from 12 to 120 MΩ
 0.8% + 9.7 kΩ from 120 to 1100 MΩ
Data recorders; Digital multimeters (DMM); Voltmeters DC voltage Direct measurement against a reference standard

Capability

with Calibration and Measurement Capability of -
0.0005% +1.5 µV up to 120 mV
0.0012% + 1.5 µV above 0.12 V to 1.2 V
0.0012% + 6 µV above 1.2 V to 12 V
0.0013% + 60 µV above 12 V to 120 V
0.0021% above 120 V to 500 V
0.0023% above 500 V to 1020 V
AC voltage Direct measurement against a reference standard

Capability

with Calibration and Measurement Capability of -

0.015% + 3 µV from  10 mV to 120 mV from10 Hz to 40 Hz
0.01% + 3 µV from  10 mV to 120 mV above 40 Hz to 1 kHz
0.014% + 3 µV from 10 mV to 120 mV above 1 kHz to 20 kHz
0.029% + 4 µV from 10 mV to 120 mV above 20 kHz to 50 kHz
0.07% + 3 µV from 10 mV to 120 mV above 50 kHz to 100 kHz
0.25% + 8 µV from 10 mV to 120 mV above 100 kHz to 500 kHz

0.009% + 33 µV above 0.12 V to 1.2 V from 10 Hz to 40 Hz
0.007% + 20 µV above 0.12 V to 1.2 V above 40 Hz to 1 kHz
0.013% + 20 µV above 0.12 V to 1.2 V above 1 kHz to 20 kHz
0.026% + 20 µV above 0.12 V to 1.2 V above 20 kHz to 50 kHz
0.053% + 0.17 mV above 0.12 V to 1.2 V above 50 kHz to 100 kHz
0.25% + 80 µV above 0.12 V to 1.2 V above 100 kHz to 300 kHz
0.79% + 0.2 mV above 0.12 V to 1.2 V above 300 kHz to 500 kHz

0.009% + 0.3 mV above 1.2 V to 12 V from 10 Hz to 40 Hz
0.008% + 0.16 mV above 1.2 V to 12 V above 40 Hz to 1 kHz
0.013% + 0.16 mV above 1.2 V to 12 V above 1 kHz to 20 kHz
0.026% + 0.16 mV above 1.2 V to 12 V above 20 kHz to 50 kHz
0.066% + 0.16 mV above 1.2 V to 12 V above 50 kHz to 100 kHz
0.3% + 0.18 mV above 1.2 V to 12 V above 100 kHz to 200 kHz

0.026% + 2.7 mV above 12 V to 120 V from 10 Hz to 40 Hz
0.018% + 1.6 mV above 12 V to 120 V above 40 Hz to 20 kHz
0.03% + 1.6 mV above 12 V to 120 V above 20 kHz to 50 kHz
0.1% + 1.6 mV above 12 V to 120 V above 50 kHz to 100 kHz

0.032% + 27 mV above 120 V to 700 V from 10 Hz to 40 Hz
0.032% + 12 mV above 120 V to 700 V above 40 Hz to 1 kHz
0.013% + 5 mV above 120 V to 330 V above 1 kHz to 10 kHz
0.018% + 5 mV above 120 V to 330 V above 10 kHz to 20 kHz

0.02% + 8 mV above 330 V to 1020 V above 45 Hz to 5 kHz
0.016% + 8 mV above 330 V to 1020 V above 5 kHz to 10 kHz
Dimensional metrology - Engineering equipment and precision instrumentsIncluding on site calibrations Centrifuges Rotational speed Direct measurement

Capability

Including on site calibrations

with Calibration and Measurement Capability of -

0.1% of reading or 2 rpm (whichever is greater) from 10 rpm to 99900 rpm 
Mass - Determination of mass and calibration of weighing devices Mass standards Mass Gravimetric measurement against reference mass

Capability

with Calibration and Measurement Capability of - 

5 µg from 1 mg to 100 mg
6 µg above 100 mg to 200 mg
7 µg above 200 mg to 500 mg
8 µg above 500 mg to 1 g
10 µg above 1 g to 2 g
20 µg above 2 g to 20 g
37 µg above 20 g to 50 g
45 µg above 50 g to 100 g
70 µg above 100 g to 200 g
220 µg above 200 g to 500 g
360 µg above 500 g to 1000 g
1.5 mg above 1000 g to 2000 g
7 mg above 2000 g to 5000 g
20 mg above 5000 g to 10 000 g
 50 mg above 10 000 g to 20 000 g

Mass - Determination of mass and calibration of weighing devicesincluding on site calibration Industrial mass standards Mass Gravimetric measurement against reference mass

Capability

with Calibration and Measurement Capability of -
5 mg at 100 g
10 mg above 100 g  to 200 g
25 mg above 200 g to 500 g
13 mg from 500 g to 5 kg
0.16 g above 5 kg to 10 kg
0.22 g above 10 kg to 20 kg
0.3 g above 20 kg to 30 kg
3.0 g above 30 kg to 100 kg
8.0 g above 100 kg to 300 kg
12.0 g above 300 kg to 500 kg
18.0 g above 500 kg to 1000 kg

For on site calibrations
With Calibration and Measurement Capability of -
5 mg at 100 g
10 mg above 100 g  to 200 g
25 mg above 200 g to 500 g
50 mg above 500 g to 1000 g
0.10 g above 1000 g to 2000 g
0.20 g above 2000 g to 5000 g
0.27 g above 5000 g to 10000 g
0.37 g above 10 kg to 20 kg
8 g above 20 kg to 200 kg
17 g above 200 kg to 500 kg
Mass - Determination of mass and calibration of weighing devicesincluding on site calibrations Hopper weighing systems; Industrial weighing devices Mass Gravimetric measurement against reference mass; Substitution gravimetric measurement For industrial weighing appliances and weighbridges, examination of Class III and Class IV weighing instruments following the procedures and requirements of the NMI NITP 6.1-6.4 National Instrument Test Procedures

Capability

including on site calibrations

with Calibration and Measurement Capability of -

1 in 104 from 5 kg to 3000 kg

3.5 in 104 above 3 t to 60 t
5 in 104 above 60 t to 150 t
Laboratory weighing devices; Precision laboratory balances Mass Gravimetric measurement against reference mass

Capability

including on site calibrations
Precision laboratory balances
with a Calibration and Measurement Capability of -
1 in 106 or 10 μg (whichever is greater) up to 2 kg
1.5 in 106 above 2 kg to 10 kg
2.5 in 106 above 10 kg to 40 kg
Industrial balances
with a Calibration and Measurement Capability of -
1 in 105 or 1 mg (whichever is greater) from 1 g to 150 kg
Pressure metrology - Pressure and vacuum measuring equipmentIncluding onsite calibrations Digital pressure gauges; Mechanical pressure gauges; Vacuum gauges Absolute pressure; Gauge pressure Comparison with a reference transducer SOP 18

Capability

Laboratory calibrations
Gauge pressure
With a Calibration and Measurement Capability of -
0.01% + 2 Pa or 5.7 Pa (which ever is greater) from -100 kPa to below -60 kPa
0.0056% + 5.9 Pa from -60 kPa to below -2.5 kPa
1.2 Pa from -2.5 kPa to below 0 kPa
0.7 Pa from 0 kPa to 10 kPa
2.6Pa above 10 kPa to 30 kPa
0.009% + 10 Pa above 30 kPa to 100 kPa
0.00081% + 33 Pa above 100 kPa to 300 kPa
0.0086% + 12 Pa above 300 kPa to 700 kPa
0.001% +92 Pa above 700 kPa to 950 kPa
0.0068% above 950 kPa to 2 MPa
0.0024% + 0.44 kPa above 2 MPa to 4.95 MPa
0.0073% + 80 Pa above 4.95 MPa to 10 MPa
6.8 kPa above 10 MPa to 25 MPa
16 kPa above 25 MPa to 60 MPa

Absolute pressure
With a Calibration and Measurement Capability of -
5.7 Pa from 1 kPa to 40 kPa
0.008% + 3 Pa above 40 kPa to 200 kPa
0.0014 % + 31 Pa above 200 kPa to 400 kPa
0.009% + 3.1 Pa above 400 kPa to 800 KPa
0.001% + 90 Pa above 800 kPa to 1.05 MPa
0.0067% above 1.05 MPa to 2.1 MPa
0.0024% + 0.44 kPa above 2.1 MPa to 5.05 MPa
0.0073% + 73 Pa above 2.1 MPa to 10.1 MPa

Onsite calibrations
Gauge pressure
With a Calibration and Measurement Capability of -
10 Pa from -100 kPa to below -35 kPa
6.3 Pa from -35 kPa to below -2.5 kPa
1.2 Pa from -2.5 kPa to 2.5 kPa
6.5 Pa from above -2.5 kPa to 35 kPa
74 Pa from 35 kPa to below 250 kPa
0.3 kPa above 250 kPa to 2 MPa
1.2 kPa above 2 MPa to 7 MPa
2.9 kPa from above 7 MPa to 10 MPa

Absolute Pressure
With a Calibration and Measurement Capability of -
13 Pa from 5 kPa to 160 kPa
36 Pa above 160 kPa to 350 kPa
Pressure metrology - Pressure standards Pressure calibrators - Non-dead weight Absolute pressure; Gauge pressure Comparison with reference instrument

Capability

Laboratory calibrations
Gauge pressure
With a Calibration and Measurement Capability of -
0.01% + 2 Pa or 5.7 Pa (whichever is greater) from -100 kPa to below -60 kPa
0.0056% + 5.9 Pa from -60 kPa to below -2.5 kPa
1.2 Pa from -2.5 kPa to below 0 kPa
0.7 Pa from 0 kPa to 10 kPa
2.6 Pa above 10 kPa to 30 kPa
0.009% + 10 Pa above 30 kPa to 100 kPa
0.00081% + 33 Pa above 100 kPa to 300 kPa
0.0086% + 12 Pa above 300 kPa to 700 kPa
0.001% +92 Pa above 700 kPa to 950 kPa
0.0068% above 950 kPa to 2 MPa
0.0024% + 0.44 kPa above 2 MPa to 4.95 MPa
0.0073% + 80 Pa above 4.95 MPa to 10 MPa
6.8 kPa above 10 MPa to 25 MPa
16 kPa above 25 MPa to 60 MPa

Absolute pressure
With a Calibration and Measurement Capability of -
5.7 Pa from 1 kPa to 40 kPa
0.008% + 3 Pa above 40 kPa to 200 kPa
0.0014 % + 31 Pa above 200 kPa to 400 kPa
0.009% + 3.1 Pa above 400 kPa to 800 KPa
0.001% + 90 Pa above 800 kPa to 1.05 MPa
0.0067% above 1.05 MPa to 2.1 MPa
0.0024% + 0.44 kPa above 2.1 MPa to 5.05 MPa
0.0073% + 73 Pa above 2.1 MPa to 10.1 MPa
Temperature metrology - Ancillary temperature measuring equipment Digital voltmeters (DVM) and digital multimeters (DMM); Process calibrators Resistance to temperature conversion; Volt to temperature conversion Direct measurement by electrical input In-house SOP 38, 39 & Manufacturers specifications

Capability

with Calibration and Measurement Capability of -
Calibration of process calibrators by electrical measurement for the following thermocouple and RTD types;

Thermocouples
Type K
0.27°C from -200°C to -100 °C
0.16°C above -100°C to -25°C
0.14°C above -25°C to 120°C
0.22°C above 120°C to 1000°C
0.41°C above 1000°C to 1372°C
Type J 
0.23°C from -200 °C to -100°C
0.14°C above -100 °C to - 30°C
0.13°C above -30°C to 150 °C
0.15°C above 150°C to 760 °C
0.30°C above 760°C to 1200 °C
Type R
0.84ºC from 0 ºC to 250 ºC
0.55ºC above 250 ºC to 1000 ºC
0.61 ºC above1000 ºC to 1372 ºC
Type T 
0.51°C from -200°C to -150 °C
0.20°C above -150°C to 0 °C
0.13°C above 0°C to 400 °C
 
RTDs
4W
0.06 ºC from -200ºC to -80 ºC
0.09 ºC above -80 ºC to 100ºC
0.13 ºC above 100 ºC to 600 ºC
0.26ºC above 600ºC to 800 ºC

Temperature metrology - Humidity measuring equipmentIncluding onsite calibrations Relative humidity sensors Relative humidity (RH); Temperature Comparison with a reference standard In-house SOP 20, 23 and 49 for compliance with Manufacturers specifications

Capability

with Calibration and Measurement Capability of -

10% rh40% rh70% rh90% rh95% rh
0 ºC1.21.62.02.3-
23 ºC0.551.11.41.71.7
60 ºC1.21.51.72.3-

onsite calibrations at 23 °C
with Calibration and Measurement Capability of -
2.0% rh from 10% rh to 95% rh

Calibration of temperature sensors in air
With Calibration and Measurement Capability of –
0.18°C from 0°C to 5°C
0.13°C above 5°C to 15°C
0.08°C above 15°C to 50°C
0.12°C above 50°C to 60°C
Temperature metrology - Temperature measuring equipment Base metal thermocouples Temperature Comparison with a reference standard In-house SOP 94

Capability

With Calibration and Measurement Capability of -
0.4 °C From -80 °C to 100 °C
0.5 °C Above 100 °C to 200 °C
0.8 °C Above 200 °C to 400 °C
1.0 °C Above 400 °C to 500 °C
1.1 °C Above 500 °C to 600 °C
2.1 °C Above 600 °C to 800 °C
2.4 °C Above 800 °C to 1000 °C
2.5 °C above 1000 °C to 1100°C
2.6 °C above 1100 °C to 1200°C
Rare metal thermocouples Temperature Comparison with a reference standard

Capability

With Calibration and Measurement Capability of -
0.9°C from 0°C to 600°C
1.3°C above 600°C to 1100°C
2.0°C above 1100°C to 1200°C
Temperature metrology - Temperature measuring equipmentIncluding onsite calibrations Digital temperature measuring systems; Temperature loggers - Single and multi-channel Temperature Measurement against reference standard In-house SOP 20, 23, 49 and Manufacturers specifications

Capability

with Calibration and Measurement Capability of -
0.026 °C from -80 °C to below -40 °C
0.012 °C from -40 °C to 220 °C
0.011 °C at 0°C (using crushed ice point)
0.037 °C above 220 °C to 232 °C
0.054 °C above 232 °C to 300 °C
0.25 °C above 300 °C to 660 °C
3 °C above 660 °C to 1200 °C

Onsite Calibrations
with Calibration and Measurement Capability of -
0.031 °C from -32 °C to 220 °C
0.2 °C from 220 °C to 250 °C
Temperature metrology - Temperature standards and reference equipment Dry block calibrators Temperature Direct measurement using a reference standard In-house SOP 76 & Manufacturers specifications

From -20 °C to 600 °C

Capability

with Calibration and Measurement Capability of -

0.13 °C from -20 °C to 300 °C

0.4 ºC above 300 ºC to 420 ºC
0.5 ºC above 420 ºC to 600 ºC
where the Measurement Uncertainty above is the measurement uncertainty of temperature indicator combined with measurement uncertainty of spatial uniformity


Temperature metrology - Verification of controlled enclosuresIncluding on-site calibrations Medical refrigeration equipment Spatial uniformity; Temperature Direct temperature measurement Six Monthly Tasks by AS 3864.2 section 3.6 and NWI SOP 12
Annual Tasks by AS 3864.2 section 3.7 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 –
0.8 °C from -80 °C to below -40 °C
0.6°C  from –40 °C to below –20 ºC
0.3°C from -20 °C to 15 °C
Six-Monthly Tasks and Annual Tasks
with Calibration and measurement Capability of –
0.3 ºC from -80 ºC to 15 ºC
Temperature metrology - Verification of controlled enclosuresincluding on site calibrations Baths; Dry block heaters; Freezers; Furnaces; Incubators; Ovens Spatial uniformity; Temperature; Temporal uniformity Direct temperature measurement In-house SOP 4, SOP 91 & AS 2853-1986

Capability

including on-site calibration 

with Calibration and Measurement Capability of -

Furnaces; Incubators; Ovens; Freezers; Baths

0.8 °C from -80 °C to below -40 °C
0.6°C from -40 °C to -20 °C
0.5 °C above -20 °C to 100 °C

0.6 °C above 100 °C to 200 °C
0.7 °C above 200 °C to 400 °C
0.9 °C above 400 °C to 600 °C
1.5 °C above 600 °C to 700 °C
2.1 °C above 700 °C to 800 °C
2.5 °C above 800 °C to 1100°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 SOP 4 and 95
AS 2853-1986
IEC 60068-3-5 (excluding rate of change of cooling and heating tests)  


Capability

including on-site calibration
with Calibration and Measurement Capability of  -
0.8 °C from -80 °C to below -40 °C
0.6 °C from -40 °C to -20 °C
0.5 °C above -20 °C to 100 °C
0.6 °C above 100 °C to 200 °C
Time and frequency metrology - Frequency and time standards Signal sources Frequency Comparison with a reference standard

Capability

with a Calibration and Measurement Capability of -
0.0001% + 5.4 μHz from 10 Hz to 1 kHz
0.0001% + 5.4 mHz above 1 kHz to 1 MHz
0.0001% + 5.4 Hz above 1 MHz to 30 MHz
Time and frequency metrology - Frequency, time and waveform measuring equipment Clocks and timers Time interval Measurement against reference standard

Capability

Stopwatches
with Calibration and Measurement Capability of -
0.04 s from 1 s to 30 minutes
0.30 s from 30 to 60 minutes
Counters; Frequency meters Frequency Measurement against reference standard

Capability

with Calibration and Measurement Capability of -
0.0001% + 5.4 μHz from 10 Hz to 1 kHz
0.0001% + 5.4 mHz above 1 kHz to 1 MHz
0.0001% + 5.4 Hz above 1 MHz to 30 MHz

Tachometers Frequency Measurement against reference standard

Capability

with Calibration and Measurement Capability of -

0.050% from 10 rpm to 1000 rpm
0.030% from 1000 rpm to 7200 rpm
0.024% from 7200 rpm to 72000 rpm
0.041% from 7200 rpm to 99900 rpm
Volume and density - Industrial volumetric equipment and bulk storage Industrial volumetric proving measures Volume Gravimetric

Capability

with Calibration and Measurement Capability of -

0.013% of reading from 1 mL to 500 L

Volume and density - Laboratory volumetric glassware and measures Burettes; Pipettes; Standard measures - < 50 L; Volumetric glassware and measures Volume Gravimetric

Capability

with Calibration and Measurement Capability of -
0.01% or 1.7 µl (which ever is greater) above 1 ml to 5 L
Piston operated volumetric apparatus (POVA) Volume Gravimetric

By the methods of ISO 8655-6

Capability

with Calibration and Measurement Capability of -

0.02 µL at 1 µL
0.03 µL above 1 µL to 2 µL
0.05 µL above 2 µL to 5 µL
0.07 µL above 5 µL to 10 µL
0.08 µL above 10 µL to 20 µL
0.16 µL above 20 µL to 100 µL
0.32 µL above 100 µL to 200 µL
1.0 µL above 200 µL to 500 µL
1.6 µL above 500 µL to 1 mL
8.2 µL above 1 mL to 5 mL
16.4 µL above 5mL to 10 mL

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.