CLAS Certificate Number 2004-01

Measurements International Ltd.

118 Commerce Drive
PO Box 2359
Prescott, Ontario K0E 1T0

Contact

Duane Brown
Telephone: 613-925-5934
Fax: 613-925-1195
Emailduanebrown@mintl.com

Clients served

  • All interested parties

Fields of calibration

  • Electrical dc & ac

SCC accreditation (ISO/IEC 17025)

  • Accredited Laboratory no. 536
  • First issued 2004-05-25
  • Issue 5.1e 2014-05-16

This scope of calibration capabilities is published by the CLAS program of the National Research Council of Canada (NRC) in close co-operation with the PALCAN program of the Standards Council of Canada (SCC), Canada's accreditation body for calibration and testing laboratories. The SCC accredits the capability of the named laboratory to perform the listed calibrations at the given Best Measurement Capability (see Supplementary note C and note D) with traceability to the International System of Units (SI) or to standards acceptable to the CLAS program.

Measured Quantity & Range or Instrument Calibration Measurement Capability
expressed as an Uncertainty (±)
(See supplementary notes)
Type of Service Remarks
Resistance
1 μΩ to 10 μΩ
500 to 20 ppm I For the calibration of resistors using MIL 6010 current comparator bridges and associated range extenders.
10 μΩ to 100 μΩ
20 to 2 ppm
100 μΩ to 1 mΩ
2 to 0.9 ppm
1 mΩ to 10 mΩ
0.9 to 0.22 ppm
10 mΩ to 100 mΩ
0.22 to 0.17 ppm
100 mΩ to 1 Ω
0.17 to 0.16 ppm
1 Ω to 10 Ω
0.1 to 0.19 ppm
10 Ω to 100 Ω
0.19 to 0.22 ppm
100 Ω to 1 kΩ
0.22 to 0.25 ppm
1 kΩ to 10 kΩ
0.25 to 0.1 ppm
13 kΩ
0.2 ppm
10 kΩ to 100 kΩ
0.15 to 0.27 ppm For the calibration of resistors using a MIL 6000 high resistance bridge.
100 kΩ to 1 MΩ
0.27 to 0.37 ppm
1 MΩ to 10 MΩ
0.37 to 0.64 ppm
10 MΩ to 100 MΩ
0.64 to 2 ppm
100 MΩ to 1 GΩ
2 to 8.5 ppm
1 GΩ to 10 GΩ
8.5 to 35 ppm For the calibration of resistors using a MIL 6600A Dual Source Bridge. Uncertainty will depend on calibration voltage.
10 GΩ to 100 GΩ
35 to 45 ppm
100 GΩ to 1 TΩ
45 to 60 ppm
1 TΩ to 10 TΩ
60 to 210 ppm
10 TΩ to 100 TΩ
210 to 1000 ppm
100 TΩ to 1 PΩ
1000 to 10000 ppm
Voltage DC
100 mV to 10 V
2 ppm I For the calibration of voltage sources using a zener reference standard and Binary Voltage Divider (BVD).
10 V to 30 V
2 ppm
30 V to 300 V
2 ppm
300 V to 1000 V
2 ppm
Current DC
1 mA to 10 mA
5 to 10 ppm I Source: For the calibration of current shunts and current sources.
10 mA to 100 A
3 to 13 ppm
100 A to 400 A
13 to 50 ppm
10 pA to 1 mA
560 to 5 ppm Source: for the calibration of current measuring devices.
Resistance ratio
10:1 resistance ratios
0.1 Ω to 1 Ω
0.05 ppm I For the calibration of the ratio errors of DC current comparator bridges.
1 Ω to 10 Ω
0.05 ppm
10 Ω to 100 Ω
0.05 ppm
100 Ω to 1 kΩ
0.05 ppm
1 kΩ to 10 kΩ
0.05 ppm
1 kΩ to 13 kΩ
0.05 ppm
10 kΩ to 100 kΩ
0.08 ppm
100 kΩ to 1 MΩ
0.1 ppm
1 MΩ to 10 MΩ
0.15 ppm
10 MΩ to 100 MΩ
1.5 ppm
1:1 resistance ratios
1 Ω to 1 Ω
0.03 ppm I For the calibration of the ratio errors of DC current comparator bridges.
10 Ω to 10 Ω
0.03 ppm
100 Ω to 100 Ω
0.03 ppm
1 kΩ to 1 kΩ
0.03 ppm
10 kΩ to 10 kΩ
0.03 ppm
100 kΩ to 100 kΩ
0.10 ppm
1 MΩ to 1 MΩ
0.12 ppm
10 MΩ to 10 MΩ
0.15 ppm
100 MΩ to 100 MΩ
1.5 ppm
1 Ω to 0.1 Ω
0.2 ppm I For the calibration of direct current comparator bridge range extenders
10 Ω to 1 Ω
0.2 ppm
10 Ω to 0.1 Ω
0.2 ppm
10 Ω to 0.01 Ω
0.3 ppm
10 Ω to 0.001 Ω
0.3 ppm
100 Ω to 0.01 Ω
2 ppm
100 Ω to 0.001 Ω
10 ppm
Measured Quantity & Range or Instrument Frequency Calibration Measurement Capability
expressed as an Uncertainty (±)
(See supplementary notes)
Type of service Remarks
Capacitance
10 pF, 50 pF
50 & 60 Hz 20 ppm I For the calibration of high voltage capacitors using high voltage capacitance bridge.
On-site calibration available.
100 pF, 1000 pF
50 & 60 Hz 20 ppm I
Capacitance bridge ratio error
Available ratios
1:1, 2:1, 5:1,10:1, 20:1, 50:1, 100:1, 200;1, 500:1 & 1000:1
50 & 60 Hz 20 ppm I For the calibration of high voltage capacitance bridge ratio errors (in-phase and dissipation factor errors) for voltages up to 100 kV.
High voltage divider calibration
Available ratios
1:1, 10:1, 20:1, 50:1 & 100:1
50 & 60 Hz 20 ppm I For the calibration of high voltage dividers using capacitance bridges and standard capacitors.
On-site calibration available.
Current transformers
Available ratios
1000:1 & 2000:1
50 & 60 Hz 20 ppm I Comparison to standard current transformer.
On-site calibration available.
AC power
0 W to 1200 W
50 & 60 Hz 30 ppm I For the calibration of ac power measurement devices for voltages up to 240 V and currents up to 5 A at power factors of zero to unity. See Annex A.

Annex A

Examples of best uncertainty, ± (% of applied signal)* for the calibration of ac power measurement devices including watt meters
Applied Signal,
Vapp x Iapp
Scale,
Vs x Is
Power Factor, pf
1 0.5 0.1 0
120 V x 5 mA 120 V x 5 mA 0.003 0.003 0.0033 0.0033
120 V x 10 mA 120 V x 10 mA 0.003 0.003 0.0033 0.0033
120 V x 20 mA 120 V x 20 mA 0.003 0.003 0.0033 0.0033
120 V x 50 mA 120 V x 50 mA 0.003 0.003 0.0033 0.0033
120 V x 100 mA 120 V x 100 mA 0.003 0.003 0.0033 0.0033
120 V x 200 mA 120 V x 200 mA 0.003 0.003 0.0033 0.0033
120 V x 500 mA 120 V x 500 mA 0.003 0.003 0.0033 0.0033
120 V x 1 A 120 V x 1 A 0.003 0.003 0.0033 0.0033
120 V x 2 A 120 V x 2 A 0.003 0.003 0.0033 0.0033
120 V x 5 A 120 V x 5 A 0.003 0.003 0.0033 0.0033
240 V x 5 mA 240 V x 5 mA 0.003 0.003 0.0033 0.0033
240 V x 10 mA 240 V x 10 mA 0.003 0.003 0.0033 0.0033
240 V x 20 mA 240 V x 20 mA 0.003 0.003 0.0033 0.0033
240 V x 50 mA 240 V x 50 mA 0.003 0.003 0.0033 0.0033
240 V x 100 mA 240 V x 100 mA 0.003 0.003 0.0033 0.0033
240 V x 200 mA 240 V x 200 mA 0.003 0.003 0.0033 0.0033
240 V x 500 mA 240 V x 500 mA 0.003 0.003 0.0033 0.0033
240 V x 1 A 240 V x 1 A 0.003 0.003 0.0033 0.0033
240 V x 2 A 240 V x 2 A 0.003 0.003 0.0033 0.0033
240 V x 5 A 240 V x 5 A 0.003 0.003 0.0033 0.0033