What is a specific measuring instrument?

There are a variety of measuring instruments around us. According to the Measurement Law, among measuring instruments that are used for measurement in transactions or certifications, or are mainly used for the lives of general consumers, in order to ensure proper measurement, A total of 18 types of "specified measuring instruments" (PDF: 160KB) have been established as those that need to determine standards for differences.

"Specific measuring instruments" are subject to various regulations by the Measurement Law, and the following marks are given as proofs that conform to the standards according to their needs.

Certification seal

Standard conformity seal

"Certification" means that at the stage of manufacture or repair of "specified measuring instruments", public institutions such as the national or prefectural governments inspect whether their performance and structure conform to the standards stipulated by the Measurement Law. is. Some "certification" have a validity period depending on the type of "specified measuring instrument".
(The “Standard Compliance Mark” is the same as the legal effect of the “Certification Mark”).

Certificate of periodic inspection

The "scales" used for transactions and certifications must be marked with a certification seal, and must be inspected every two years.
Paste the "periodic inspection certificate" on the "scale" that has passed the periodic inspection.

Seal of household measuring instruments

"Home-use" kitchen meters and health meters are assumed to be used to measure cooking materials at home and measure weight. Therefore, the standard for "home use" is a slower standard than the standard for passing the "certification".
Household "scales" cannot be used for transactions or certifications.

Instrument inspection seal

"Instrument inspection" refers to the inspection of whether the performance of the vehicle mounted on a taxi meter and tires conforms to the standards stipulated by law.

Here, we introduce the "specified measuring instruments" that are particularly relevant in our lives.

Taxi meter

Taxi meter	Mark to be attached	Regulations
	Either certification seal standard conformity seal Instrument inspection seal	Period of instrument inspection 1 year

Mass system ("scales" for transactions and certification)

Scales for transactions and certification	Mark to be attached	Regulations
	Certification seal or standard conformity seal And Certificate of periodic inspection	When used for transactions and certifications, it is mandatory to take regular inspections every two years.

Mass system (household scales)

Kitchen scale	Mark to be attached	Regulations
	Seal of household measuring instruments	Not available for transactions and certifications

Resistance thermometer

Electronic thermometers	Mark to be attached	Regulations
	Either certification seal standard conformity seal	Thermometers and sphygmomanometers (aneloid type) cannot be sold or transferred as life-threatening measuring instruments unless they have passed the "certification" and have a certification seal or a standard conformity seal.

Water meter (diameter: 350mm or less)

Water meter	Mark to be attached	Regulations
	Either certification seal standard conformity seal	The validity period of the test is 8 years

Fuel oil meter (diameter: 50mm or less)

Fuel oil meter	Mark to be attached	Regulations
	Either certification seal standard conformity seal	The validity period of the test is 7 years (5 years other than installation type)

Gas meters (diameter: 250mm or less)

Gas meter	Mark to be attached	Regulations
	Either certification seal standard conformity seal	10 years (partially 7 years)

Aneroid blood pressure monitor

Sphygmomanometer	Mark to be attached	Regulations
	Either certification seal standard conformity seal	Thermometers and sphygmomanometers (aneloid type) cannot be sold or transferred as life-threatening measuring instruments unless they have passed the "certification" and have a certification seal or a standard conformity seal.

Electricity meter

Power Meters	Mark to be attached	Regulations
	Either certification seal standard conformity seal	The validity period of the test is 10 years (some 7 years, 5 years)