Circular No. 03/2024/TT-BKHCN Amending and Supplementing Certain Articles of Circular No. 23/2013/TT-BKHCN dated September 26, 2013, of the Minister of Science and Technology on Measurement for Group 2 Measuring Instruments, which has been amended and supplemented by Circular No. 07/2019/TT-BKHCN dated July 26, 2019, of the Minister of Science and Technology.

✦ Smart summary

This Circular amends and supplements the list of measuring instruments that need to be inspected and their inspection cycles.

Scope of application

All organizations and individuals using measuring instruments within the country.

Key points

Update the list of 69 types of measuring instruments that need to be inspected.
Establish specific inspection cycles for each type of measuring instrument from six months to seventy-two months.
Require maintaining measurement technical characteristics throughout the usage period.
This Circular takes effect from October 15, 2024.
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🌐 Social impact of this document

Ensure the accuracy and reliability of measuring instruments in various fields such as healthcare, environment, and transportation.
Help improve the management of product and service quality.
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❓ Frequently asked questions

Who does this Circular apply to?

It applies to all organizations and individuals using measuring instruments within the country.

When does this Circular take effect?

Takes effect from October 15, 2024.

Full text

MINISTRY OF SCIENCE AND TECHNOLOGY

SOCIALIST REPUBLIC OF VIET NAM

Independence – Freedom – Happiness

Number: 03/2024/TT-BKHCN

Hanoi, April 15, 2024

CIRCULAR

Amending and supplementing certain Articles of Circular No. 23/2013/TT-BKHCN dated September 26, 2013 of the Minister of Science and Technology on measurement for group 2 measuring instruments which have been amended and supplemented by Circular No. 07/2019/TT-BKHCN dated July 26, 2019 of the Minister of Science and Technology

____________________________

Pursuant to the Law on Measurement dated November 11, 2011;

Technology;

At the proposal of the Director General of the National Standardization, Metrology and Quality Control Department and the Head of the Legal Affairs Department;

The Minister of Science and Technology issues this Circular to amend and supplement certain Articles of Circular No. 23/2013/TT-BKHCN dated September 26, 2013 of the Minister of Science and Technology on measurement for group 2 measuring instruments which have been amended and supplemented by Circular No. 07/2019/TT-BKHCN dated July 26, 2019 of the Minister of Science and Technology.

Article 1. Amending and supplementing Clause 1 of Article 4 of Circular No. 23/2013/TT-BKHCN dated September 26, 2013 of the Minister of Science and Technology on measurement for group 2 measuring instruments which have been amended and supplemented at Clause 2 of Article 1 of Circular No. 07/2019/TT-BKHCN dated July 26, 2019 of the Minister of Science and Technology amending and supplementing certain Articles of Circular No. 23/2013/TT-BKHCN as follows:

"Article 4. List of measuring instruments, measures for measurement control, and calibration cycle of measuring instruments

The list of measuring instruments, measures for measurement control, and calibration cycle of measuring instruments includes:

1. Measuring instruments, measures for measurement control, and calibration cycle of measuring instruments specified in the table below:

No.	Calibration cycle according to purpose of use	Measurement control measures				Initial cycle Head of the entity registering for calibration
		Approval of sample	Calibration
		Approval of sample	Initially	Periodic	After repair
(1)	(2)	(3)	(4)	(5)	(6)	(7)
1	Length measuring instruments: - Tape measure - Optical distance measuring instrument - Depth measuring instrument for water bottom - Depth measuring instrument for underground structures	- - - -	x x x x	- x x x	- x x x	- Twelve months Twelve months 24 months
2	Analytical balance, technical balance	x	x	x	x	18 months
3	Speed checking vehicle measuring instruments	x	x	x	x	24 months
4	Standard water level measuring instruments	-	x	x	x	Twelve months
5	Electronic total station	-	x	x	x	Twelve months
6	Analytical balance	-	x	x	x	Twelve months
7	Analytical scale	-	x	x	x	Twelve months
8	Common scales: - Spring balance - Platform scale; disc scale; vertical hanging steel leaf scale	x x	x x	x x	x x	24 months Twelve months
9	Hook suspension scale	x	x	x	x	Twelve months
10	Truck scale	x	x	x	x	Twelve months
11	Special truck scale for mechanical load testing	x	x	x	x
12	Static railway car scale	x	x	x	x	Twelve months
13	Dynamic railway car scale	x	x	x	x
14	Weight standard	x	x	x	x	Twelve months
15	Vehicle load scale	x	x	x	x	Twelve months
16	Weight standards: - Class E weight standard₂ - Up to Class F weight standard₁	- -	x x	x x	x x	24 months Twelve months
17	Tensile-compressive strength testing instrument	-	x	x	x	Twelve months
18	Torque measuring instrument	-	x	x	x	Twelve months
19	Fuel level gauge	x	x	x	x	Twelve months
20	Liquefied petroleum gas column meter	x	x	x	x	Twelve months
21	Water meter: - Mechanical cold water meter - Cold water meter with electronic mechanism	x x	x x	x x	x x	60 months 36 months
22	Fuel meter	x	x	x	x	Twelve months
23	Gas meter: - Liquefied petroleum gas meter - Industrial gas meter - Domestic gas meter: + Q_max < 16 m³\|\|\| or crane span Q 10T or more + Q_max > 16 m³\|\|\| or crane span Q 10T or more	x x x x	x x x x	x x x x	x x x x	Twelve months 36 months 60 months 36 months
24	General volume measuring instrument	-	x	x	x	24 months
25	Pipette	-	x	x	x	24 months
26	Fixed capacity measuring vessel	-	x	x	x	60 months
27	Tanker: - Truck tanker - Railway tanker	- -	x x	x x	x x	Twelve months 60 months
28	Automatic fuel level measuring instrument	x	x	x	x	Twelve months
29	Water flow velocity measuring instrument	-	x	x	x	24 months
30	Wind speed measuring instrument	-	x	x	x	24 months
31	Pressure gauge; spring pressure gauge; electronic pressure gauge; barometer	-	x	x	x	Twelve months
32	Blood pressure monitor including mercury blood pressure monitor; spring blood pressure monitor; electronic blood pressure monitor	-	x	x	x	Twelve months
33	Thermometer: glass liquid thermometer; glass alcohol thermometer with minimum scale; glass mercury thermometer with maximum scale	-	x	x	x	24 months
34	Medical thermometer: - Medical glass mercury thermometer with maximum scale - Medical electronic contact thermometer with maximum scale - Medical infrared radiation thermometer	- - -	x x x	- x x	- - x	- FUNCTIONS AND TASKS Twelve months
35	Agricultural product moisture content measuring instrument	-	x	x	x	Twelve months
36	Air temperature and humidity measuring instrument	-	x	x	x	24 months
37	Hydrometer	-	x	x	x	24 months
38	Dust concentration measuring instrument: - Exhaust gas dust concentration measuring instrument - Ambient air dust concentration measuring instrument	- -	x x	x x	x x	Twelve months Twelve months
39	Breath alcohol concentration measuring instrument	x	x	x	x	Twelve months
40	Gas concentration measuring instrument: - Exhaust gas gas concentration measuring instrument - Ambient air gas concentration measuring instrument	- -	x x	x x	x x	Twelve months Twelve months
41	Water parameter measuring instrument: - Surface water parameter measuring instrument - Wastewater parameter measuring instrument	- -	x x	x x	x x	Twelve months Twelve months
42	Salt moisture content measuring instrument	-	x	x	x	Twelve months
43	Electric meter: - Single-phase electronic AC electric meter - Three-phase induction AC electric meter - Three-phase electronic AC electric meter	x x x	x x x	x x x	x x x	72 months 48 months 36 months
44	Current transformer	x	x	x	x	60 months
45	Voltage transformer	x	x	x	x	60 months
46	Insulation resistance measuring instrument	-	x	x	x	Twelve months
47	Ground resistance measuring instrument	-	x	x	x	Twelve months
48	Explosive ordnance resistance measuring instrument	-	x	x	x	six months
49	Electric field intensity measuring instrument	-	x	x	x	Twelve months
50	Heart rate measuring instrument	-	x	x	x	24 months
51	Brain wave measuring instrument	-	x	x	x	24 months
52	Noise measuring instrument	-	x	x	x	Twelve months
53	Vibration measuring instrument	-	x	x	x	Twelve months
54	Illuminance measuring instrument	-	x	x	x	Twelve months
55	Luminance measuring instrument	-	x	x	x	Twelve months
56	Ultraviolet energy measuring instrument	-	x	x	x	Twelve months
57	Spectrometer: - Atomic absorption spectrometer - Ultraviolet-visible spectrometer	- -	x x	x x	x x	Twelve months Twelve months
58	Laser power measuring instrument	-	x	x	x	Twelve months
59	Eyeglass diopter measuring instrument	-	x	x	x	Twelve months
60	Eye refraction measuring instrument	-	x	x	x	Twelve months
61	Visual acuity measuring lens	-	x	x	x	Twelve months
62	Polarimeter for sugar content determination (Brix degree)	-	x	x	x	Twelve months
63	Refractometer for sugar content determination (Brix degree)	-	x	x	x	Twelve months
64	Rainfall measuring instrument	-	x	x	x	24 months
65	Water level measuring instrument	-	x	x	x	24 months
66	Continuous automatic meteorological and hydrological parameter measuring instrument	-	x	x	x	24 months
67	Latitude measuring instrument	-	x	x	x	Twelve months
68	Satellite positioning measuring instrument	-	x	x	x	Twelve months
69	Electric vehicle battery charging energy measuring device: - AC electric bicycle and motorcycle battery charging energy measuring device - AC electric car battery charging energy measuring device - DC electric car battery charging energy measuring device	x x x	x x x	x x x	x x x	60 months 36 months 36 months

- Symbol "x": the measure must be carried out for the measuring instrument;

- Symbol "-": the measure does not need to be carried out for the measuring instrument;

- Throughout the entire period specified in the calibration cycle, the metrological technical characteristics of the measuring instrument must be maintained during its use.

Article 2. Implementation clause

This Circular takes effect from October 15, 2024.

This Circular takes effect from December 25, 2025/.

1. During implementation, if there are arising issues or difficulties, organizations and individuals shall promptly report in writing to the Ministry of Science and Technology for guidance or research on amendments and supplements.

2. The Director of the General Department of Standards, Metrology and Quality shall be responsible for guiding and organizing the implementation of this Circular.

3. The Minister, Heads of ministerial-level agencies, Chairpersons of provincial and municipal People's Committees, and related organizations and individuals shall be responsible for organizing the implementation of this Circular./.

DEPUTY MINISTER
DEPUTY MINISTER

(Signed)

Le Xuan Dinh

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↑ Basis & documents that affect this document

Based on 4

28/2023/NĐ-CP Nghị định số 28/2023/NĐ-CP Quy định chức năng, nhiệm vụ, quyền hạn và cơ cấu tổ chức của Bộ Khoa học và Công nghệ Expired 04/2011/QH13 Luật Đo lường số 04/2011/QH13 In effect 93/2025/QĐ-UBND Quyết định số 93/2025/QĐ-UBND Sửa đổi, bổ sung một số điều của Quy định ban hành kèm theo Quyết định số 42/2020/QĐ-UBND ngày 26/11/2020 của Uỷ ban nhân dân tỉnh ban hành quy định về quản lý hoạt động đo lường trên địa bàn tỉnh Lai Châu In effect 01/2025/QĐ-UBND Quyết định số 01/2025/QĐ-UBND Ban hành Quy định quản lý, vận hành và yêu cầu kỹ thuật đối với hệ thống quan trắc môi trường tự động, liên tục trên địa bàn tỉnh Đắk Nông In effect

Referenced by 2

51/2025/TT-BNNMT Thông tư số 51/2025/TT-BNNMT Quy định kỹ thuật đánh giá chất lượng tài liệu khí tượng bề mặt In effect 65/2025/TT-BNNMT Thông tư số 65/2025/TT-BNNMT Quy định kỹ thuật đánh giá chất lượng tài liệu thủy văn In effect

Amended by 1

04/2026/TT-BKHCN Thông tư số 04/2026/TT-BKHCN Sửa đổi, bổ sung, bãi bỏ một số điều của các văn bản quy phạm pháp luật của Bộ trưởng Bộ Khoa học và Công nghệ ban hành trong lĩnh vực tiêu chuẩn đo lường chất lượng In effect

03/2024/TT-BKHCN

Circular No. 03/2024/TT-BKHCN Amending and Supplementing Certain Articles of Circular No. 23/2013/TT-BKHCN dated September 26, 2013, of the Minister of Science and Technology on Measurement for Group 2 Measuring Instruments, which has been amended and supplemented by Circular No. 07/2019/TT-BKHCN dated July 26, 2019, of the Minister of Science and Technology.

In effect

↓ Documents affected by this document

Amends 3

23/2013/TT-BKHCN Thông tư số 23/2013/TT-BKHCN Quy định về đo lường đối với phương tiện đo nhóm 2 In effect 07/2019/TT-BKHCN Thông tư số 07/2019/TT-BKHCN Sửa đổi, bổ sung một số điều của Thông tư số 23/2013/TT-BKHCN ngày 26 tháng 9 năm 2013 của Bộ trưởng Bộ Khoa học và Công nghệ quy định về đo lường đối với phương tiện đo nhóm 2 In effect 07/2024/TT-BKHCN Thông tư số 07/2024/TT-BKHCN Sửa đổi, bổ sung một số điều tại các văn bản quy phạm pháp luật thuộc thẩm quyền của Bộ trưởng Bộ Khoa học và Công nghệ liên quan đến Ủy ban Tiêu chuẩn Đo lường Chất lượng Quốc gia In effect

References 1

16/VBHN-BCA Văn bản hợp nhất số 16/VBHN-BCA Quy định tổ chức, nhiệm vụ, quyền hạn và quan hệ phối hợp của Ban Chỉ đạo phòng, chống khủng bố các cấp In effect

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Tiếng Việt Thông tư số 03/2024/TT-BKHCN Sửa đổi, bổ sung một số điều của Thông tư số 23/2013/TT-BKHCN ngày 26 tháng 9 năm 2013 của Bộ trưởng Bộ Khoa học và Công nghệ quy định về đo lường đối với phương tiện đo nhóm 2 đã được sửa đổi, bổ sung bởi Thông tư số 07/2019/TT-BKHCN ngày 26 tháng 7 năm 2019 của Bộ trưởng Bộ Khoa học và Công nghệ 한국어 시행규칙 제 03/2024/TT-BKHCN은 2013년 9월 26일 과학기술부 장관이 제정한 시행규칙 제 23/2013/TT-BKHCN에 대한 측정 관련 제2그룹 측정기의 검정 및 검정 주기를 규정한 내용을 수정하고 보완하며, 이를 2019년 7월 26일 과학기술부 장관이 제정한 시행규칙 제 07/2019/TT-BKHCN으로 수정 보완함 中文通知编号为03/2024/TT-BKHCN，对2013年9月26日由科学技术部部长发布的第23/2013/TT-BKHCN号通知关于计量第二组测量设备的规定进行修改和补充，该通知已由2019年7月26日由科学技术部部长发布的第07/2019/TT-BKHCN号通知进行了修改和补充。