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MINISTRY OF
SCIENCE AND TECHNOLOGY OF VIETNAM
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SOCIALIST
REPUBLIC OF VIETNAM
Independence - Freedom – Happiness
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No.
03/2024/TT-BKHCN
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Hanoi, April 15,
2024
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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 26th 2019 OF THE MINISTER OF SCIENCE AND TECHNOLOGY
Pursuant to the Law on Measurement dated
November 11th 2011;
Pursuant to the Government's Decree No.
28/2023/NĐ-CP dated February 2nd 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 26th
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 26th 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
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Periodically
After repair
(1)
(2)
(3)
(4)
(5)
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(7)
1
Measuring instrument for length:
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- Measuring tape
-
x
-
-
-
- Photoelectric distance measuring instrument
-
...
...
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x
x
12 months
- Water depth measuring instrument
-
x
x
x
...
...
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- Measuring instrument for depths of underwater
structure
-
x
x
x
24 months
2
...
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x
x
x
x
18 months
3
Speed gun
x
...
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x
x
24 months
4
Level measuring instrument
-
x
x
...
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12 months
5
Electronic total station
-
x
x
x
12 months
...
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6
Analytical balance
-
x
x
x
12 months
7
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-
x
x
x
12 months
8
Universal scales:
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- Dial spring scale
x
x
x
x
...
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- Table top scale; beam scale; steel hanging
scale
x
x
x
x
12 months
9
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x
x
x
x
12 months
10
Vehicle scale
x
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x
x
12 months
11
Specialized vehicle scale for vehicle load
inspection
x
x
x
...
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24 months
12
Static railway scale
x
x
x
x
12 months
...
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13
Active railway scale
x
x
x
x
24 months
14
...
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x
x
x
x
12 months
15
Vehicle load inspection scales
x
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x
x
12 months
16
Weights:
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- E2 accuracy weights
-
x
x
x
24 months
...
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-
x
x
x
12 months
17
Tensile and yield strength testing instrument
-
...
...
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x
x
12 months
18
Momentum flux measuring instrument
-
x
x
...
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12 months
19
Fuel dispensers
x
x
x
x
12 months
...
...
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20
LPG dispensers
x
x
x
x
12 months
21
...
...
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- Mechanical cold water gauges
x
x
...
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x
60 months
- Electronic cold water gauges
x
x
x
x
36 months
...
...
...
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22
Gasoline gauges
x
x
x
x
12 months
23
...
...
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- LPG gauges
x
x
...
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x
12 months
- Industrial gas gauges
x
x
x
x
36 months
...
...
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- Civil gas gauges:
x
x
x
x
+ Qmax < 16 m3/h
x
...
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x
x
60 months
+ Qmax ≥ 16 m3/h
x
x
x
x
...
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24
Common volumetric measuring instrument
-
x
x
x
24 months
...
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Pipettes
-
x
x
x
24 months
26
Fixed tanks
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x
x
x
60 months
27
Tanks:
- Automobile-transported tanks
- Railway-transported tanks
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-
-
x
x
x
x
...
...
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x
12 months
60 months
28
Automatic fuel measuring instrument
x
x
...
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...
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x
12 months
29
Water flow measuring instrument
-
x
x
x
...
...
...
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30
Wind speed measuring instrument
-
x
x
x
24 months
...
...
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Manometers: spring manometers; electronic
manometers; barometers
-
x
x
x
12 months
32
Sphygmomanometers include: mercury
sphygmomanometers; spring sphygmomanometers; electronic sphygmomanometers
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x
x
x
12 months
33
Thermometers: liquid-in-glass thermometers;
alcohol thermometers; mercury-in-glass thermometers with maximum device
-
x
...
...
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-
24 months
34
Medical thermometers:
...
...
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- Macroscale mercury-in-glass medical thermometer
-
x
-
-
-
- Electrical thermometers with maximum device
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x
x
-
06 months
- Electrical infrared thermometers
-
x
x
...
...
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12 months
35
Grain moisture meter
-
x
x
x
12 months
...
...
...
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36
Air hygrometers and thermometers
-
x
x
x
24 months
37
...
...
...
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-
x
x
x
24 months
38
Dust content measuring instrument:
...
...
...
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- Measuring instrument for dust contents in
emission
-
x
x
x
...
...
...
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- Measuring instrument for dust contents in the
air
-
x
x
x
12 months
39
...
...
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x
x
x
x
12 months
40
Measuring instrument for contents of gases:
...
...
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- Measuring instrument for contents of gases in
emission
-
x
x
x
...
...
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- Measuring instrument for contents of gases in the
air
-
x
x
x
12 months
41
...
...
...
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- Measuring instrument for water statistics in
surface water
-
x
...
...
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x
12 months
- Measuring instrument for water statistics in
wastewater
-
x
x
x
12 months
...
...
...
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42
Measuring instrument for salt moisture
-
x
x
x
12 months
43
...
...
...
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- One-phase AC electronic meters
x
x
...
...
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x
72 months
- Three-phase AC induction meters
x
x
x
x
48 months
...
...
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- Three-phase AC electronic meters
x
x
x
x
36 months
44
Current transformers
...
...
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x
x
x
60 months
45
Voltage transformers
x
x
...
...
...
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x
60 months
46
Insulation resistance testers
-
x
x
x
...
...
...
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47
Earth resistance testers
-
x
x
x
12 months
...
...
...
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Explosive and detonator resistance testers
-
x
x
x
6 months
49
Measuring instrument for electric field intensity
...
...
...
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x
x
x
12 months
50
Electrocardiogram devices
-
x
...
...
...
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x
24 months
51
Electroencephalograph devices
-
x
x
x
...
...
...
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52
Sound level meters
-
x
x
x
12 months
...
...
...
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Vibration meters
-
x
x
x
12 months
54
Illuminance meters
...
...
...
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x
x
x
12 months
55
Luminance meters
-
x
...
...
...
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x
12 months
56
UV meters
-
x
x
x
...
...
...
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57
Spectrometers:
...
...
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-
x
x
x
12 months
- Ultraviolet - visible spectroscopy
-
x
...
...
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x
12 months
58
Laser power meter
-
x
x
x
...
...
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59
Focimeters
-
x
x
x
12 months
...
...
...
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Eye refractometers
-
x
x
x
12 months
61
Optical trial lens
...
...
...
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x
x
x
12 months
62
Polarimeters for determination of sugar contents
(Pol)
-
x
...
...
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x
12 months
63
Refractometers for determination of sugar
contents (Brix)
-
x
x
x
...
...
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64
Rain gauges
-
x
x
x
24 months
...
...
...
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Water level meters
-
x
x
x
24 months
66
Automatic instrument for continuous metrology
measurement
...
...
...
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x
x
x
24 months
67
Measuring instrument for latitude and longitude
-
x
...
...
...
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x
12 months
68
Satellite navigation instrument
-
x
x
x
...
...
...
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69
Electric vehicle charging power meter:
...
...
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x
x
x
x
60 months
- AC charging power meter for electric cars
x
x
...
...
...
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x
36 months
- DC charging power meter for electric cars
x
x
x
x
36 months
...
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- “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 15th
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