Vietnam: List of measuring instruments, metrological control measures, and measuring instrument inspection intervals

16:41, 28/09/2013

Recently, the Ministry of Science and Technology of Vietnam has issued Circular No. 23/2013/TT-BKHCN on Group 2 measuring instruments.

According to Vietnam’s current regulations, Group 2 measuring instruments are measuring instruments used for quantifying goods and services during the process of selling, buying, and payment; assurance of safety, public health, and environmental safety; inspection, judicial investigation, and other tasks that need controlling according to technical metrological requirements in current Vietnam’s metrological documents.

The List of measuring instruments, metrological control measures, and measuring instrument inspection intervals promulgated in Circular No. 23/2013/TT-BKHCN of the Ministry of Science and Technology of Vietnam is as follows:

o.	Measuring instrument	Metrological control measures				Inspection interval
		Type approval	Inspection
		Type approval	Once	Periodically	After repair
(1)	(2)	(3)	(4)	(5)	(6)	(7)
Length measurements
1	Measuring tape	-	x	-	-
2	Taximeter	x	x	x	x	12 months
3	Speed gun	x	x	x	x	12 months
Weight measurement
4	Analytical balance	-	x	x	x	12 months
5	Engineer’s scale	-	x	x	x	12 months
6	Platform scale	x	x	x	x	12 months
7	Arm scales	x	x	x	x	12 months
8	Spring scale	x	x	x	x	12 months
9	Hanging scale	x	x	x	x	12 months
10	Hanging scale	x	x	x	x	12 months
11	Vehicle weighing scale	x	x	x	x	12 months
12	Static rail scale	x	x	x	x	12 months
13	In-motion rail scale	x	x	x	x	24 months
14	Belt scale	x	x	x	x	12 months
15	Weighbridge	x	x	x	x	12 months
16	E2 Class weights	-	x	x	x	24 months
17	F1 Class weights	-	x	x	x	12 months
Volume and flow measurement
18	Gas pump meter	x	x	x	x	12 months
19	LPG pump meter	x	x	x	x	12 months
20	Mechanical residential water meter	x	x	x	x	60 months
21	Electronic residential water meter	x	x	x	x	36 months
…	…	…	…	…	…	…

Where:

- “x” indicates mandatory tasks;

- “-” indicates optional tasks.

Note: When using measuring instruments not mentioned in Clause 1 of this Article for the purpose of inspection, judicial investigation, or other tasks of the State, such measuring instruments must be inspected and calibrated at the request of competent state authority; type approval is not required.

View details at Circular No. 23/2013/TT-BKHCN of the Ministry of Science and Technology of Vietnam, effective from November 15, 2013.

Thu Ba

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