What are included in the list of measuring instruments, metrological control measures, and measuring instrument inspection intervals from October 15th, 2024 in Vietnam?

No.

Name of measuring instruments

Metrological control measures

Measuring instrument inspection intervals

Type approval

Inspection

Once

Periodically

After repair

(1)

(2)

(3)

(4)

(5)

(6)

(7)

1

Length measuring instruments:

- Tape measure

-

x

-

-

-

- Optical distance measuring instruments

-

x

x

x

12 months

- Water depth measuring instruments

-

x

x

x

12 months

- Underground structure depth measuring instruments

-

x

x

x

24 months

2

Taximeter

x

x

x

x

18 months

3

Traffic speed measuring instruments

x

x

x

x

24 months

4

Standard water measuring instruments

-

x

x

x

12 months

5

Electronic surveying instruments

-

x

x

x

12 months

6

Analytical scales

-

x

x

x

12 months

7

Technical scales

-

x

x

x

12 months

8

Common scales:

- Spring balance scales

x

x

x

x

24 months

- Table scales; disc scales; hanging steel-leaf scales

x

x

x

x

12 months

9

Crane scales

x

x

x

x

12 months

10

Truck scales

x

x

x

x

12 months

11

Specialized truck scales for checking vehicle loads

x

x

x

x

24 months

12

Static railway scales

x

x

x

x

12 months

13

Dynamic railway scales

x

x

x

x

24 months

14

Conveyor belt scales

x

x

x

x

12 months

15

Vehicle load checking scales

x

x

x

x

12 months

16

Weight standards:

- E2 accuracy weight standards

-

x

x

x

24 months

- F1 accuracy weight standards

-

x

x

x

12 months

17

Tensile strength testing instruments

-

x

x

x

12 months

18

Force torque measuring instruments

-

x

x

x

12 months

19

Fuel oil measuring column

x

x

x

x

12 months

20

Liquid gas oil measuring column

x

x

x

x

12 months

21

Water meters:

- Mechanical cold water meters

x

x

x

x

60 months

- Electronic cold water meters

x

x

x

x

36 months

22

Fuel oil meters

x

x

x

x

12 months

23

Gas meters:

- Liquid gas oil meters

x

x

x

x

12 months

Industrial gas meters

x

x

x

x

36 months

Domestic gas meters:

x

x

x

x

+ Qmax < 16 m3/h

x

x

x

x

60 months

+ Qmax ≥ 16 m3/h

x

x

x

x

36 months

24

Common volume measuring instruments

-

x

x

x

24 months

25

Pipettes

-

x

x

x

24 months

26

Fixed volume tanks

-

x

x

x

60 months

27

Hydrometers:

- Vehicle hydrometers

- Railway hydrometers

-

-

x

x

x

x

x

x

12 months

60 months

28

Automatic fuel level measuring instruments

x

x

x

x

12 months

29

Water flow velocity measuring instruments

-

x

x

x

24 months

30

Wind speed measuring instruments

-

x

x

x

24 months

31

Pressure gauges: spring pressure gauges; electronic pressure gauges; barometers

-

x

x

x

12 months

32

Blood pressure monitor includes: mercury blood pressure monitor; spring blood pressure monitor; electronic blood pressure monitor

-

x

x

x

12 months

33

Thermometer: glass-liquid thermometer; alcohol-glass thermometer with minimum structure; mercury-glass thermometer with maximum structure

-

x

x

-

24 months

34

Medical thermometer:

- Medical glass-mercury thermometer with maximum structure

-

x

-

-

-

- Medical electronic contact thermometer with maximum structure

-

x

x

-

06 months

- Medical electronic infrared radiation thermometer

-

x

x

x

12 months

35

Means of measuring moisture content of agricultural products

-

x

x

x

12 months

36

Means of measuring air temperature and humidity

-

x

x

x

24 months

37

Density meter

-

x

x

x

24 months

38

Means of measuring dust content:

- Means of measuring dust content in exhaust gas

-

x

x

x

12 months

- Means of measuring dust content in the air

-

x

x

x

12 months

39

Means of measuring alcohol concentration in breath

x

x

x

x

12 months

40

Means of measuring gas concentration:

- Means of measuring gas concentration in exhaust gas

-

x

x

x

12 months

- Means of measuring gas concentration in the air

-

x

x

x

12 months

41

Means of measuring water parameters:

- Means of measuring water parameters in surface water

-

x

x

x

12 months

- Means of measuring water parameters in wastewater

-

x

x

x

12 months

42

Means of measuring salt moisture

-

x

x

x

12 months

43

Electricity meter:

- Single-phase electronic rotating electricity meter

x

x

x

x

72 months

- Three-phase induction rotating electricity meter

x

x

x

x

48 months

- Three-phase electronic rotating electricity meter

x

x

x

x

36 months

44

Current transformer

x

x

x

x

60 months

45

Voltage transformer

x

x

x

x

60 months

46

Means of measuring insulation resistance

-

x

x

x

12 months

47

Means of measuring earth resistance

-

x

x

x

12 months

48

Means of measuring mine resistance

-

x

x

x

6 months

49

Means of measuring electric field intensity

-

x

x

x

12 months

50

Means of measuring heart electricity

-

x

x

x

24 months

51

Means of measuring brain electricity

-

x

x

x

24 months

52

Means of measuring noise level

-

x

x

x

12 months

53

Means of measuring vibration level

-

x

x

x

12 months

54

Means of measuring glare level

-

x

x

x

12 months

55

Means of measuring brightness level

-

x

x

x

12 months

56

Means of measuring ultraviolet energy

-

x

x

x

12 months

57

Means of measuring spectral power:

- Means of measuring atomic absorption spectral power

-

x

x

x

12 months

- Means of measuring ultraviolet-visible spectral power

-

x

x

x

12 months

58

Means of measuring laser power

-

x

x

x

12 months

59

Means of measuring eye lens power

-

x

x

x

12 months

60

Means of measuring eye refractive index

-

x

x

x

12 months

61

Lens for measuring visual acuity

-

x

x

x

12 months

62

Means of measuring polarization to determine sugar content (Pol degree)

-

x

x

x

12 months

63

Means of measuring refractive index to determine sugar content (Brix degree)

-

x

x

x

12 months

64

Means of measuring rainfall

-

x

x

x

24 months

65

Means of measuring water level

-

x

x

x

24 months

66

Automatic measuring instruments continuously measure meteorological hydrological parameters

-

x

x

x

24 months

67

Measuring instruments for longitude and latitude

-

x

x

x

12 months

68

Satellite positioning measuring instruments

-

x

x

x

12 months

69

Electric vehicle battery charging power measuring equipment:

- AC power measuring equipment for electric bicycle and electric motorcycle battery charging

x

x

x

x

60 months

- AC power measuring equipment for electric car battery charging

x

x

x

x

36 months

- DC power measuring equipment for electric car battery charging

x

x

x

x

36 months