CIRCULAR

AMENDMENTS TO SOME ARTICLES OF CIRCULAR NO. 23/2013/TT-BKHCN DATED SEPTEMBER 26 ^th 2013 OF THE MINISTER OF SCIENCE AND TECHNOLOGY ON MEASUREMENT OF GROUP 2 MEASURING INSTRUMENTS, WHICH IS AMENDED BY CIRCULAR NO. 07/2019/TT-BKHCN DATED JULY 26^th 2019 OF THE MINISTER OF SCIENCE AND TECHNOLOGY

Pursuant to the Law on Measurement dated November 11^th 2011;

Pursuant to the Government's Decree No. 28/2023/NĐ-CP dated February 2^nd 2023 defining the functions, tasks, entitlements and organizational structure of the Ministry of Science and Technology;

At the request of the Director of the Directorate for Standards, Metrology, and Quality and the Director of Legal Department;

The Minister of Science and Technology promulgates a Circular on Amendments to some Articles of Circular No. 23/2013/TT-BKHCN dated September 26th 2013 of the Minister of Science and Technology on measurement of Group 2 measuring instruments, which is amended by Circular No. 07/2019/TT-BKHCN dated July 26th 2019 of the Minister of Science and Technology

Article 1. Amendments to Clause 1 Article 4 of Circular No. 23/2013/TT-BKHCN dated September 26^th 2013 of the Minister of Science and Technology on measurement of Group 2 measuring instruments, which is amended by Clause 2 Article 1 OF Circular No. 07/2019/TT-BKHCN dated July 26^th 2019 of the Minister of Science and Technology:

"Article 4. List of measuring instruments, metrological control measures, and measuring instrument inspection intervals

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1. Measuring instruments, metrological control measures, and measuring instrument inspection intervals are specified in the table below:

No.

Measuring instrument

Metrological control measures

Inspection interval

Type approval

Inspection

...

...

...

Periodically

After repair

(1)

(2)

(3)

(4)

(5)

...

...

...

(7)

1

Measuring instrument for length:

...

...

...

- Measuring tape

-

x

-

-

-

- Photoelectric distance measuring instrument

-

...

...

...

x

x

12 months

- Water depth measuring instrument

-

x

x

x

...

...

...

- Measuring instrument for depths of underwater structure

-

x

x

x

24 months

2

...

...

...

x

x

x

x

18 months

3

Speed gun

x

...

...

...

x

x

24 months

4

Level measuring instrument

-

x

x

...

...

...

12 months

5

Electronic total station

-

x

x

x

12 months

...

...

...

6

Analytical balance

-

x

x

x

12 months

7

...

...

...

-

x

x

x

12 months

8

Universal scales:

...

...

...

- Dial spring scale

x

x

x

x

...

...

...

- Table top scale; beam scale; steel hanging scale

x

x

x

x

12 months

9

...

...

...

x

x

x

x

12 months

10

Vehicle scale

x

...

...

...

x

x

12 months

11

Specialized vehicle scale for vehicle load inspection

x

x

x

...

...

...

24 months

12

Static railway scale

x

x

x

x

12 months

...

...

...

13

Active railway scale

x

x

x

x

24 months

14

...

...

...

x

x

x

x

12 months

15

Vehicle load inspection scales

x

...

...

...

x

x

12 months

16

Weights:

...

...

...

- E2 accuracy weights

-

x

x

x

24 months

...

...

...

-

x

x

x

12 months

17

Tensile and yield strength testing instrument

-

...

...

...

x

x

12 months

18

Momentum flux measuring instrument

-

x

x

...

...

...

12 months

19

Fuel dispensers

x

x

x

x

12 months

...

...

...

20

LPG dispensers

x

x

x

x

12 months

21

...

...

...

- Mechanical cold water gauges

x

x

...

...

...

x

60 months

- Electronic cold water gauges

x

x

x

x

36 months

...

...

...

22

Gasoline gauges

x

x

x

x

12 months

23

...

...

...

- LPG gauges

x

x

...

...

...

x

12 months

- Industrial gas gauges

x

x

x

x

36 months

...

...

...

- Civil gas gauges:

x

x

x

x

+ Q_max < 16 m³/h

x

...

...

...

x

x

60 months

+ Q_max ≥ 16 m³/h

x

x

x

x

...

...

...

24

Common volumetric measuring instrument

-

x

x

x

24 months

...

...

...

Pipettes

-

x

x

x

24 months

26

Fixed tanks

...

...

...

x

x

x

60 months

27

Tanks:

- Automobile-transported tanks

- Railway-transported tanks

...

...

...

-

-

x

x

x

x

...

...

...

x

12 months

60 months

28

Automatic fuel measuring instrument

x

x

...

...

...

x

12 months

29

Water flow measuring instrument

-

x

x

x

...

...

...

30

Wind speed measuring instrument

-

x

x

x

24 months

...

...

...

Manometers: spring manometers; electronic manometers; barometers

-

x

x

x

12 months

32

Sphygmomanometers include: mercury sphygmomanometers; spring sphygmomanometers; electronic sphygmomanometers

...

...

...

x

x

x

12 months

33

Thermometers: liquid-in-glass thermometers; alcohol thermometers; mercury-in-glass thermometers with maximum device

-

x

...

...

...

-

24 months

34

Medical thermometers:

...

...

...

- Macroscale mercury-in-glass medical thermometer

-

x

-

-

-

- Electrical thermometers with maximum device

...

...

...

x

x

-

06 months

- Electrical infrared thermometers

-

x

x

...

...

...

12 months

35

Grain moisture meter

-

x

x

x

12 months

...

...

...

36

Air hygrometers and thermometers

-

x

x

x

24 months

37

...

...

...

-

x

x

x

24 months

38

Dust content measuring instrument:

...

...

...

- Measuring instrument for dust contents in emission

-

x

x

x

...

...

...

- Measuring instrument for dust contents in the air

-

x

x

x

12 months

39

...

...

...

x

x

x

x

12 months

40

Measuring instrument for contents of gases:

...

...

...

- Measuring instrument for contents of gases in emission

-

x

x

x

...

...

...

- Measuring instrument for contents of gases in the air

-

x

x

x

12 months

41

...

...

...

- Measuring instrument for water statistics in surface water

-

x

...

...

...

x

12 months

- Measuring instrument for water statistics in wastewater

-

x

x

x

12 months

...

...

...

42

Measuring instrument for salt moisture

-

x

x

x

12 months

43

...

...

...

- One-phase AC electronic meters

x

x

...

...

...

x

72 months

- Three-phase AC induction meters

x

x

x

x

48 months

...

...

...

- Three-phase AC electronic meters

x

x

x

x

36 months

44

Current transformers

...

...

...

x

x

x

60 months

45

Voltage transformers

x

x

...

...

...

x

60 months

46

Insulation resistance testers

-

x

x

x

...

...

...

47

Earth resistance testers

-

x

x

x

12 months

...

...

...

Explosive and detonator resistance testers

-

x

x

x

6 months

49

Measuring instrument for electric field intensity

...

...

...

x

x

x

12 months

50

Electrocardiogram devices

-

x

...

...

...

x

24 months

51

Electroencephalograph devices

-

x

x

x

...

...

...

52

Sound level meters

-

x

x

x

12 months

...

...

...

Vibration meters

-

x

x

x

12 months

54

Illuminance meters

...

...

...

x

x

x

12 months

55

Luminance meters

-

x

...

...

...

x

12 months

56

UV meters

-

x

x

x

...

...

...

57

Spectrometers:

...

...

...

-

x

x

x

12 months

- Ultraviolet - visible spectroscopy

-

x

...

...

...

x

12 months

58

Laser power meter

-

x

x

x

...

...

...

59

Focimeters

-

x

x

x

12 months

...

...

...

Eye refractometers

-

x

x

x

12 months

61

Optical trial lens

...

...

...

x

x

x

12 months

62

Polarimeters for determination of sugar contents (Pol)

-

x

...

...

...

x

12 months

63

Refractometers for determination of sugar contents (Brix)

-

x

x

x

...

...

...

64

Rain gauges

-

x

x

x

24 months

...

...

...

Water level meters

-

x

x

x

24 months

66

Automatic instrument for continuous metrology measurement

...

...

...

x

x

x

24 months

67

Measuring instrument for latitude and longitude

-

x

...

...

...

x

12 months

68

Satellite navigation instrument

-

x

x

x

...

...

...

69

Electric vehicle charging power meter:

...

...

...

x

x

x

x

60 months

- AC charging power meter for electric cars

x

x

...

...

...

x

36 months

- DC charging power meter for electric cars

x

x

x

x

36 months

...

...

...

- “x” indicates mandatory tasks;

- “-” indicates optional tasks;

- Measurement specifications of the measuring instrument must be maintained throughout the duration of the inspection interval.

Article 2. Implementation clauses

This Circular comes into force from October 15^th 2024.

Article 3. Responsibility for Implementation organization

1. Difficulties that arise during the implementation of this Circular should be reported in writing to the Ministry of Science and Technology for guidance or amendment.

2. The Director of the Directorate for Standards, Metrology, and Quality shall provide guidance and organize the implementation of this Circular.

3. Ministers, Heads of ministerial-level agencies, Presidents of the People’s Committees of provinces or central-affiliated cities, relevant organizations and individuals are responsible for the implementation of this Circular./.

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PP MINISTER
DEPUTY MINISTER




Le Xuan Dinh

Thông tư 03/2024/TT-BKHCN sửa đổi Thông tư 23/2013/TT-BKHCN quy định về đo lường đối với phương tiện đo nhóm 2 đã được sửa đổi, bổ sung bởi Thông tư 07/2019/TT-BKHCN do Bộ trưởng Bộ Khoa học và Công nghệ ban hành