Authorised Verifiers and Recognised Testing Laboratories (Flowmeter)

For Authorised Verifiers and Recognised Testing Laboratories (Flowmeter)

Authorised Verifiers

Under the Weights and Measures Act, qualified companies are allowed to carry out the verification and stamping of weighing and measuring instruments for trade use under the Weights and Measures Office’s Authorised Verifier Scheme.

Authorised Verifiers must be certified to ISO 9001 Quality Management Systems or accredited to ISO/IEC 17025 General Requirements for Competence of Testing and Calibration Laboratories.

Recognised Testing Laboratories (Flowmeter)

The Recognised Testing Laboratory (Flowmeter) Scheme for flowmeter laboratories located outside of Singapore is meant to supplement the verification capability of flowmeters used for trade in Singapore. Recognised Testing Laboratories must be accredited to ISO/IEC 17025 by the International Laboratory Accreditation Cooperation (ILAC) multilateral MRA signatory accredited body.

To apply for designation as a Recognised Testing Laboratory (Flowmeter), you may write in to weightsandmeasures@enterprisesg.gov.sg and provide the following information:

• Scope of application e.g., volumetric or mass flow verification

• Latest ISO/IEC 17025 accreditation certificate including the supporting documents on the scope of accreditation

An officer from the WMO will contact you for further information and guide you through the application process.

For more information on these schemes, refer to the links below.

• Authorised Verifier Scheme Information Booklet
• Singapore Weights and Measures Information Booklet
• Recognised Testing Laboratory (Flowmeter) Scheme Information Booklet
• Application for Designation as Authorised Verifier
• Weights and Measures (Fees) Regulations 2005