CLAS Certificate Number 94-01

Company name Institut de recherche Robert-Sauvé en santé et en sécurité du travail (IRSST)
Company address 505 de Maisonneuve Ouest Boulevard
Montréal, Quebec H3A 3C2
Contact Cherifa Lakhal-Ayat, Quality Assurance Coordinator
Telephone: 514-288-1551
Fax: 514-288-9632
EmailCherifa.Lakhal-Ayat@irsst.qc.ca
Clients served
  • All interested parties
Fields of calibration
Accreditation body
  • Standards Council of Canada (SCC)
ISO/IEC 17025
  • SCC  file number: 15162
  • First issued for calibration
  • Issue 11.0e

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.

Acoustic and vibration

Measured Quantity &
Range or Instrument
Expanded
Measurement
Uncertainty
Type of Service Remarks
Acoustic calibrators
Sound pressure level,
90  dB to 124  dB
(ref: 20 µPa),
at 250 Hz or 1000 Hz
0.14 dB II For the calibration of acoustic calibrators, Class 1, in accordance with IEC 60942, 3rd Ed., (2003-01) Annex B Periodic tests.
Frequency 250 Hz, 1000 Hz 0.3 %
Total Distortion 0.5 % total distortion
Sound level meters
Indication of reference level at the calibration check SPL frequency 0.2 dB II For the calibration of class 1 sound level meters in accordance with international standard IEC 61672-3 (2006-10) Ed. 1.0 for periodic tests.
Acoustical Frequency weightings A, C and Z
125 Hz to 1.25  kHz 0.4 dB II For the calibration of class 1 sound level meters in accordance with international standard IEC 61672-3 (2006-10) Ed. 1.0 for periodic tests.
>1.25 kHz to 10 kHz 0.5 dB
>10 kHz to 20 kHz 0.8 dB
Electrical Frequency weightings A, C and Z
63  Hz to 1.25  kHz 0.3 dB II For the calibration of class 1 sound level meters in accordance with international standard IEC 61672-3 (2006-10) Ed. 1.0 for periodic tests.
>1.25  kHz to 10  kHz 0.4 dB
>10  kHz to 16 kHz 0.5 dB
Frequency and time weightings at 1 kHz 0.2 dB II  
Level linearity at 8 kHz
25 dBA to 39 dBA 0.3 dB II For the calibration of class 1 sound level meters in accordance with international standard IEC 61672-3 (2006-10) Ed. 1.0 for periodic tests.
>39 dBA to 143  dBA 0.2 dB
Level linearity at 1 kHz
including the level range control 0.2 dB II For the calibration of class 1 sound level meters in accordance with international standard IEC 61672-3 (2006-10) Ed. 1.0 for periodic tests.
Response to a 4 kHz 0.2 dB
Peak C sound levels 0.2 dB
Overload indication 0.3 dB

Flow

Measured Quantity & Range or Instrument Expanded
Measurement
Uncertainty
Type of Service Remarks
Gaz Flow
0.05 slpm to 5 slpm 4.0 % II For the calibration of flowmeter using the instruction I-DEBIT-001.