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METROLOGY - Technical Services Offered

The Technical Services arm of the Bureau offers the following services to the public:


The service of calibration allows us to check and determine the accuracy of weighing and measuring instruments by comparison with a standard traceable to the International System of Units (SI). In this case we issue a certificate documenting the Error and Uncertainty in the instrument’s indications.  Calibrations are performed as frequently as required by the owner of the Instrument. Rates are mainly based on the accuracy class of the instrument.

This service is mandatory for all measurement instruments used in Trade, Health & Safety. All aspects of the instrument are checked including its physical attributes and measurement performance for compliance with prescribed tolerances. A ‘Pass’ or ‘Fail’ is determined and indicated by the issuance of a certificate, or a label or stamp placed on the instrument. Instruments that are declared to have failed a verification examination are not to be used in trade or for their legally prescribed purpose until they have been adjusted/repaired and have passed a subsequent verification examination. At a minimum, Verification is required at least once per year. Rates are mainly based on the accuracy class of the instrument.

A letter of request for the desired service should be addressed to the Director.

(Please note the ABBS is now located on Old Parham between Christ the King High School and Antigua Motors). The new address is:

Mrs. Dianne Lalla-Rodrigues
Antigua and Barbuda Bureau of Standards
Old Parham Road
St. John’s, ANTIGUA

For calibration and verification services the following information, pertaining to the measuring equipment to be assessed, must be submitted in order to ensure optimal and accurate assessment of the equipment:

Type of weighing or measuring equipment (spring scale, digital scale etc.) to be assessed
  • -Model name
  • -Model serial number
  • -Model capacity

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  1. Standards Act
  2. Metrology Act
  3. Antigua and Barbuda Standards Regulations, 1998