Types of measuring instruments under the Law on Measurement in Vietnam

Types of measuring instruments under the Law on Measurement in Vietnam (Internet image)

1. What is measuring instruments?

Measuring instruments refers to measuring devices for measurement process.

In which:

Measurement refers to determination of a physical quantity.

- Measurement activity refers to establishment and application of units of measurement and standards, production, trading, testing, inspection and calibration of measuring instruments, quantification of pre-packed goods; measurement control; education, training, consultation, research and development, and application of measurement technologies.

- Measurement process refers to a set of operations used to determine the value of a quantity.

(Article 3 of the Law on Measurement 2011)

2. Types of measuring instruments in Vietnam

- Group 1: Measuring instruments used in scientific researches, control and adjustment to technology processes, quality control or serving purposes other than those prescribed in clause 2 of this Article (hereinafter referred to as "category 1 measuring instrument ”) shall be conformable to the technical measurement requirements announced by the organization or individual.

- Group 2: Measuring instruments used to quantify goods and services in trading, payment, safety assurance, public health protection, environmental protection, inspection , judicial expertise and other official duties (hereinafter referred to as “category 2 measuring instrument ”) on the list of category 2 measuring instrument shall be conformable to technical measurement requirements stipulated by the State regulatory authority.

(Article 16 of the Law on Measurement 2011)

3. Requirements for measuring instruments in Vietnam

3.1. General requirements for measuring instruments in Vietnam

- Technical measurement requirements shall be specified on the measuring instrument or its label or attached documents.

- The structure of a measuring instrument shall be created to prevent external interference that may deviate measurement results.

- Measuring instrument specifications shall be conformable to technical measurement requirements announced by organizations/ individuals or stipulated by State competent authorities.

3.2. Requirements for category 1 measuring instruments in Vietnam

- Category 1 measuring instruments shall meet all requirements in Section 3.1.

- Category 1 measuring instruments shall undergo testing, inspection and calibration upon requests by State competent authorities, organizations and individuals.

- Manufacturers, importers, exporters and users shall have testing, inspection and/or calibration bodies that meet requirements in clause 1 Article 25 of the Law on Measurement 2011 test, calibrate and/or inspect category 1 measuring instruments.

3.3. Requirements for category 2 measuring instruments in Vietnam

- Category 2 measuring instruments shall meet all requirements in Section 3.1.

- Category 2 measuring instruments shall be controlled by one of the following means:

+ Approval of sample measuring devices as they are manufactured or imported;

+ Initial inspection prior to use

+ Periodic inspection during employment;

+ Inspection after repair

- Approval of sample measuring instruments as stipulated point a, clause 2 of this Article shall be carried out in accordance with Article 20 hereof.

- The inspection of sample measuring instruments as stipulated point b, c and d, clause 2 of this Article shall be carried out in accordance with clause 2 Article 21 of the Law on Measurement 2011.

(Articles 17, 18, 19 of the Law on Measurement 2011)

Diem My

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