| Company Name | Environment and Climate Change Canada, WST Calibration Laboratory |
|---|---|
| Company Address | 867 Lakeshore Rd., P.O. Box 5050 Burlington, Ontario L7R 4A6 |
| Contact | Mr. Joe Gabriele Telephone: 905-336-4749 Fax: 905-336-4970 Email: joe.gabriele@ec.gc.ca |
| Clients served |
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| Fields of calibration | |
| Accreditation body |
|
| ISO/IEC 17025 |
|
This CLAS Certificate is published by the CLAS service of the National Research Council of Canada (NRC) in cooperation with the laboratory accreditation program of the accreditation body.
The accreditation body recognizes the capability of the named laboratory for being able to perform calibrations as per the listed Calibration and Measurement Capabilities with metrological traceability to the International System of Units (SI) or to standards acceptable to CLAS.
See supplementary notes.
Chemical
| Measured Quantity & Range or Instrumen | Expanded Measurement Uncertainty | Type of Service | Remarks |
|---|---|---|---|
| pH | |||
| 4 to 10 | 0.02 | II | For the calibration of pH meters using standard solutions. |
| Conductivity | |||
| 10 μS/cm to 1500 μS/cm | 0.5 % of reading | II | For the calibration of electrolytic conductivity meters using standard solutions. |
| Turbidity | |||
| 1 NTU to 7500 NTU | 5 % of reading | II | For the calibration of turbidity meters using standard solutions. Procedure according to ASTM D7315 |
Electrical
| Measured Quantity & Range or Instrument | Expanded Measurement Uncertainty | Type of Service | Remarks |
|---|---|---|---|
| Voltage, DC | |||
| 0 mV to 220 mV | 0.0009 % + 0.8 µV | II | Source. For the calibration of dc voltage measuring devices using a multifunction calibrator. |
| 220 mV to 2.2 V | 0.0008 % + 1.2 µV | ||
| 2.2 V to 11 V | 0.0008 % + 4 µV | ||
| 11 V to 22 V | 0.0008 % + 8 µV | ||
| 22 V to 220 V | 0.0009 % + 100 µV | ||
| 220 V to 1100 V | 0.0011 % + 600 µV | ||
| Current, DC | |||
| 0 μA to 220 μA | 0.006% + 10 nA | II | Source. For the calibration of dc current measuring devices using a multifunction calibrator. |
| 220 μA to 2.2 mA | 0.006% + 10 nA | ||
| 2.2 mA to 22 mA | 0.006% + 100 nA | ||
| 22 mA to 220 mA | 0.007% + 1 μA | ||
| 220 mA to 2.2 A | 0.009% + 30 μA | ||
| Measured Quantity & Range or Instrument | Frequency | Expanded Measurement Uncertainty | Type of Service | Remarks |
|---|---|---|---|---|
| Voltage, AC | ||||
| 220 μV to 1100 V | 10 Hz to 1 MHz | 78 µV/V to 2.1 % | II | Source. For the calibration of AC voltage measurement devices using a multifunction calibrator. See Annex A for detailed capabilities |
| Current, AC | ||||
| 22 μA to 2.2 A | 10 Hz to 10 kHz | 156 µA/A to 3.9 % | II | Source. For the calibration of AC current measurement devices using a multifunction calibrator. See Annex B for detailed information. |
| Measured Quantity & Range or Instrument | Expanded Measurement Uncertainty |
Type of Service | Remarks |
|---|---|---|---|
| Resistance | |||
| 0 Ω | 50 μΩ | II | Source. For the calibration of resistance measurement devices using a multifunction calibrator. |
| 1 Ω | 95 μΩ/Ω | ||
| 1.9 Ω | 95 μΩ/Ω | ||
| 10 Ω | 28 μΩ/Ω | ||
| 19 Ω | 27 μΩ/Ω | ||
| 100 Ω | 17 μΩ/Ω | ||
| 190 Ω | 17 μΩ/Ω | ||
| 1 kΩ | 13 μΩ/Ω | ||
| 1.9 kΩ | 13 μΩ/Ω | ||
| 10 kΩ | 12 μΩ/Ω | ||
| 19 kΩ | 12 μΩ/Ω | ||
| 100 kΩ | 14 μΩ/Ω | ||
| 190 kΩ | 14 μΩ/Ω | ||
| 1 MΩ | 20 μΩ/Ω | ||
| 1.9 MΩ | 21 μΩ/Ω | ||
| 10 MΩ | 40 μΩ/Ω | ||
| 19 MΩ | 47 μΩ/Ω | ||
| 100 MΩ | 110 μΩ/Ω | ||
Calibration of current meters
| Measured Quantity & Range or Instrument | Expanded Measurement Uncertainty |
Type of Service | Remarks | |
|---|---|---|---|---|
| 0.01 m/s to 3.5 m/s | 0.2 % of velocity + 0.002 m/s | I | For the calibration of streamflow velocity current meters as per ISO/IEC 3455 for mechanical and electromagnetic type current meters for the point velocity measurement of flowing water | |
Humidity
| Measured Quantity & Range or Instrument | Expanded Measurement Uncertainty | Type of Service | Remarks |
|---|---|---|---|
| Relative Humidity | |||
|
40 % R.H. to 90 % R.H. |
1 % | I | For the calibration of relative humidity measuring devices using Thunder Scientific 6000 or equivalent air chamber. |
| 10 % R.H. to 90 % R.H. at 15 °C to 40 °C |
1 % | ||
| 10 % R.H. to 95 % R.H. at 15 °C to 30 °C |
1 % | ||
| 15 % R.H. to 95 % R.H. at 10 °C to 30 °C |
1 % | ||
Pressure
| Measured Quantity & Range or Instrument | Expanded Measurement Uncertainty |
Type of Service | Remarks |
|---|---|---|---|
| 2 kPa to 5.2 MPa | 0.013 % of reading | I | For the calibration of pneumatic pressure, absolute pressure or pressure gauge using a reference pressure transducer or dead weight tester. |
Thermometry
| Measured Quantity & Range or Instrument | Expanded Measurement Uncertainty |
Type of Service | Remarks |
|---|---|---|---|
| Specific Value | |||
| 0.01 °C | 0.5 mK (0.000 5 °C) |
I | For calibration of temperature sensors by comparison against the laboratory’s PRT in a triple point water cell. |
| Other Values | |||
| -25 °C to +40 °C | 10 mK (0.010 °C) |
I | For calibration of temperature sensors by comparison against the laboratory’s PRT in temperature-controlled baths |
Annex A
Uncertainty, ± { ( % of reading) + residual }, of AC Voltage measurement for the calibration of digital multimeters and Voltage measuring devices
| Voltage, AC | Frequency | |||||||
|---|---|---|---|---|---|---|---|---|
| 10 Hz to 20 Hz | 20 Hz to 40 Hz | 40 Hz to 20 kHz | 20 kHz to 50 kHz | 50 kHz to 100 kHz | 100 kHz to 300 kHz | 300 kHz to 500 kHz | 500 kHz to 1 MHz | |
| 220 μV to 2.2 mV |
0.055 % + 4.5 μV | 0.021 % + 4.5 μV | 0.011 % + 4.5 μV | 0.037 % + 4.5 μV | 0.085 % + 7 μV | 0.11 % + 13 μV | 0.17 % + 25 μV | 0.34 % + 25 μV |
| 2.2 mV to 22 mV |
0.055 % + 5 μV | 0.021 % + 5 μV | 0.011 % + 5 μV | 0.037 % + 5 μV | 0.085 % + 7 μV | 0.11 % + 12 μV | 0.17 % + 25 μV | 0.34 % + 25 μV |
| 22 mV to 220 mV |
0.055 % + 13 μV | 0.021 % + 8 μV | 0.011 % + 8 μV | 0.032 % + 8 μV | 0.085 % + 25 μV | 0.11 % + 25 μV | 0.17 % + 35 μV | 0.34 % + 80 μV |
| 220 mV to 2.2 V |
0.05 % + 80 μV | 0.016 % + 25 μV | 0.0075 % + 6 μV | 0.012 % + 16 μV | 0.025 % + 70 μV | 0.043 % + 130 μV | 0.11 % + 350 μV | 0.22 % + 850 μV |
| 2.2 V to 22 V |
0.05 % + 800 μV | 0.016 % + 250 μV | 0.0075 % + 60 μV | 0.012 % + 160 μV | 0.025 % + 350 μV | 0.05 % + 1500 μV | 0.125 % + 4300 μV | 0.27 % + 8500 μV |
| 22 V to 220 V |
0.05 % + 8 mV | 0.016 % + 2.5 mV | 0.008 % + 0.8 mV | 0.022 % + 3.5 mV | 0.05 % + 8 mV | 0.15 % + 90 mV | 0.47 % + 90 mV | 1.2 % + 190 mV |
| Voltage, AC | Frequency | ||||
|---|---|---|---|---|---|
| 15 Hz to 50 kHz | 50 Hz to 1 kHz | ||||
| 220 V to 1100 V | 0.04 % + 16 mV | 0.008 % + 3.5 mV | |||
Annex B
Uncertainty, ± { ( % of reading) + residual }, of AC current measurement for the calibration of digital multimeters and current measuring devices
| Current, AC | Frequency | ||||
|---|---|---|---|---|---|
| 10 Hz to 20 Hz | 20 Hz to 40 Hz | 40 Hz to 1 kHz | 1 kHz to 5 kHz | 5 kHz to 10 kHz | |
| 22 μA to 220 μA | 0.07 % + 25 nA | 0.035 % + 20 nA | 0.014 % + 16 nA | 0.06 % + 40 nA | 1.6 % + 80 nA |
| 220 μA to 2.2 mA | 0.07 % + 40 nA | 0.035 % + 35 nA | 0.014 % + 35 nA | 0.06 % + 400 nA | 1.6 % + 800 nA |
| 2.2 mA to 22 mA | 0.07 % + 400 nA | 0.035 % + 350 nA | 0.014 % + 350 nA | 0.06 % + 4000 nA | 1.6 % + 8000 nA |
| 22 mA to 220 mA | 0.07 % + 4 μA | 0.035 % + 3.5 μA | 0.014 % + 3.5 μA | 0.06 % + 40 μA | 1.6 % + 80 μA |
| 220 mA to 2.2 A | N/A | N/A | 0.046 % + 170 μA | 0.095 % + 380 μA | 3.6 % + 750 μA |