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 weighing in transactions or certifications, or are mainly used for the lives of general consumers, to ensure proper weighing. A total of 18 types of "specified measuring instruments" (PDF: 160KB) have been established as those that need to determine standards for instrumental differences.

"Specific measuring instruments" are subject to various regulations by the Measurement Law, and the following marks are marked as proof of conformity with the required standards.

Certification seal

Standard Compliance Seal

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

Periodic Inspection Seal

The scales used for transactions and certifications must be marked with a certification seal, and must undergo periodic inspections every two years.
Paste the "Scale" that has passed the periodic inspection.

Seal of home measuring instrument

"Home-use" kitchen meters and health meters are assumed to be used for weighing cooking materials and weighing weight measurements at home. Therefore, the standard for "home use" is looser than the "certification" pass standard.
Household scales cannot be used for transactions and certifications.

Instrument inspection seal

"Equipment inspection" refers to inspect whether the performance of the vehicle containing taxi meters and tires conforms to the standards stipulated by laws and regulations.

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

Taxi meter

Taxi meter	Marks attached	Regulations
	Certification seal Either certification stamp Instrument inspection seal	Valid period of instrument inspection 1 year

Mass system (trading and certification "scale")

Transaction and certification scales	Marks attached	Regulations
	Certification seal or standard conformity seal And Periodic Inspection Seal	When using it for transactions and certification, it is mandatory to take periodic inspections once every two years.

Mass system (for home use scales)

Kitchen scale	Marks attached	Regulations
	Seal of home measuring instrument	Cannot be used for trading or certification

Resistance thermometer

Electronic thermometer	Marks attached	Regulations
	Certification seal Either certification stamp	Thermometers and sphygmomanometers (aneloid type) cannot be sold or transferred unless they have passed the "certification" and have a certification seal or a standard conformity seal.

Water meter (Caliber: 350 mm or less)

Water meter	Marks attached	Regulations
	Certification seal Either certification stamp	Valid for certification 8 years

Fuel Oil Meter (Caliber: 50 mm or less)

Fuel Oil Meter	Marks attached	Regulations
	Certification seal Either certification stamp	Valid for 7 years (5 years other than installation type)

Gas meter (Caliber: 250 mm or less)

Gas meter	Marks attached	Regulations
	Certification seal Either certification stamp	The validity period of the test is 10 years (partially 7 years)

Anneroid blood pressure monitor

Sphygmomanometer	Marks attached	Regulations
	Certification seal Either certification stamp	Thermometers and sphygmomanometers (aneloid type) cannot be sold or transferred unless they have passed the "certification" and have a certification seal or a standard conformity seal.

Electricity meter

Power meter	Marks attached	Regulations
	Certification seal Either certification stamp	The validity period of the test is 10 years (partially 7 years and 5 years)