CLAS Certificate Number 94-02

Company name Stephens Analytical, Inc.
Company address Instrument Calibration and Standards Laboratory
8110B Trans-Canada Highway
St-Laurent, Quebec
Canada H4S 1M5
Contact Don Sutherland
Telephone: 514-332-1616
Toll free: 800-267-7474
Fax: 514-335-6566
Email: labmtl@stephens-analytical.com
Clients served
  • All interested parties
Fields of calibration
  • Humidity
Accreditation body
  • Standards Council of Canada (SCC)
ISO/IEC 17025
  • SCC file number: 15063
  • First issued
  • Issue 4.3e

This CLAS Certificate is published by the CLAS service of the National Research Council of Canada (NRC) in cooperation with the laboratory accreditation of the Canadian Association for Laboratory Accreditation (CALA) and the Standards Council of Canada (SCC). 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.

Measured Quantity &
Range or Instrument
Expanded Measurement Uncertainty Type of Service Remarks
Humidity
Dew Point Temperature
0 °C to 95 °C 0.4 °C I For the calibration of humidity measuring instruments using a two temperature, two pressure humidity generator.
See Notes Table note 1 Table note 2 Table note 3
0 °C to 95 °C 0.5 °C I For the calibration of sources of humidity using a humidity measuring instrument.
See Notes Table note 1 Table note 2 Table note 3
Frost Point Temperature
- 19 °C to 0 °C 0.4 °C I For the calibration of humidity measuring instruments using a two temperature, two pressure humidity generator.
See Notes Table note 1 Table note 2 Table note 3
- 19 °C to 0 °C 0.5 °C I For the calibration of sources of humidity using a humidity measuring instrument.
See Notes Table note 1 Table note 2 Table note 3
Volume Ratio
0.02 to 1 parts per 106 0.02 parts per 106 I For the calibration of humidity measuring instruments using gravimetrically verified diffusion cells.
See Notes Table note 1 Table note 2 Table note 3 Table note 4
0.05 to 1 parts per 106 0.05 parts per 106 I For the calibration of sources of humidity using a humidity measuring instrument.
See Notes Table note 1 Table note 2 Table note 3 Table note 4
1 to 1200 parts per 106 2 % of reading I For the calibration of humidity measuring instruments using gravimetrically verified diffusion cells.
See Notes Table note 1 Table note 2 Table note 3 Table note 4
1 to 1200 parts per 106 5 % of reading I For the calibration of sources of humidity using a humidity measuring instrument.
See Notes Table note 1 Table note 2 Table note 3 Table note 4