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1. Catalogue of Mandatory Calibration Measuring Instruments
1. Mandatory calibration measuring instruments involve multiple fields, including full protection, medical and health, trade settlement, and environmental monitoring
The measuring instruments for mandatory verification in trade settlement include non automatic weighing instruments, automatic weighing barriers, track scales, measuring tanks, fuel dispensers, gas dispensers, water meters, gas meters, heat meters, flow meters, taxi meters, electric energy meters, sugar meters, moisture meters, grain bulk density meters, milk meters, electric vehicle charging stations, and transformers for power measurement. 5. In environmental monitoring, sound level meters and transmission type smoke meters are included in mandatory verification. 6. The scope of measuring instruments for mandatory verification includes measuring standards and working measuring instruments. Measurement standards refer to the highest measurement standards used by social public measurement standards, departments, and enterprises and institutions. Work measuring instruments refer to work measuring instruments directly used for trade settlement, safety protection, medical and health care, environmental monitoring, and other aspects. On April 5, 1987, the State Council issued the "Management Measures for the Mandatory Calibration of Work Measuring Instruments in the Peoples Republic of China" and published a catalog of 61 types of work measuring instruments subject to mandatory calibration. These measuring instruments are mainly used for trade settlement, safety protection, medical and health care, environmental monitoring, etc.
8. This article refers to the relevant information
2. List of Work Measuring Instruments for Compulsory Calibration in China with Metrological Certification Marks
The list of work measuring instruments for compulsory calibration in China includes but is not limited to the following categories: rulers, such as bamboo and wood rulers, casing rulers, steel tape rulers, etc. Area meter: such as leather area meter. Thermometers: including glass liquid thermometers and thermometers. Oil testing: such as oil flash point thermometer. Moisture measurement: such as grain moisture analyzer. Calorimeter and weight: such as calorimeter, weight, etc. Balance and scale: various types of scales, such as pole scales, bucket scales, etc. Packaging machines: such as quantitative packaging machines and quantitative filling machines. Rail scale: used for measuring the weight of goods. Bulk container: such as a grain container. Measuring tanks: including vertical, horizontal, spherical measuring tanks, etc. Fuel dispensers and liquid volume improvement: such as fuel dispensers. Edible oil dispensers and alcohol meters: such as edible oil dispensers. Density meter and sugar meter: used to measure the density and sugar content of liquids. Milk meter and gas meter: such as milk meter and gas meter. Water meters and flow meters: such as water meters and liquid/gas flow meters. Pressure gauge: including pressure gauge and wind pressure gauge. Medical equipment: such as blood pressure monitors, tonometers, electrocardiographs, laser energy meters, as well as blood cell counters, refractometers, etc. Automotive instruments: such as odometer, speedometer, etc. Electric energy mete
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