Is electronic scales mandatory for counting?

Mandatory standard measuring instruments: 1. Public standard measuring instruments; 2 departments and enterprises and institutions to use the highest standards of measurement; 3. Imported measuring instruments for the purpose of sales. Working measuring instruments for compulsory verification: working measuring instruments directly used for trade settlement, safety protection and medical care. The working measuring instruments listed in the Detailed Catalogue of Compulsory Verification of Measuring Instruments for Environmental Monitoring in People's Republic of China (PRC) are called compulsory verification measuring instruments. -Catalogue of compulsory inspection measuring instruments: 1. Rulers: bamboo ruler, casing ruler, steel tape measure, steel tape measure with hammer, railway gauge ruler; 2. Area meter: leather area meter; 3. Glass liquid thermometer: glass liquid thermometer; 4. Thermometer: Thermometer 5. Petroleum flash point thermometer 6. Calorimeter: Calorimeter; 7. Weight: weight, chain code, weight and quantitative thallium; 8. Balance: balance; 9. Scales: scales, box scales, platform scales, floor scales, belt scales, hanging scales, electronic scales, luggage scales, postal scales, special scales for pricing and charging, and grain vending machines; 10. Quantitative packaging machine: quantitative packaging machine and quantitative filling machine; 1 1. Track scale: track scale; 12. Bulk density device: grain bulk density device; 13. metering tank: metering tank: vertical metering tank, horizontal metering tank, spherical metering tank, automobile metering tank, railway metering tank and ship metering warehouse; 14. tanker: tanker; 15. liquid volume extraction: liquid volume extraction; 16. edible oil vending machine: edible oil vending machine; 17. Alcohol meter: alcohol meter; 18. Densitometer: Densitometer; 19. Brix meter: Brix meter; 20. Milk meter: milk meter; 2 1. gas meter: gas meter; 22. Water meter: water meter; 23. Flowmeters: liquid flowmeter, gas flowmeter and steam flowmeter; 24. Pressure gauges: pressure gauges, wind pressure gauges and oxygen pressure gauges; 25. Sphygmomanometer: sphygmomanometer, sphygmomanometer; 26. tonometer: tonometer; 27. Taxi odometer: taxi odometer; 28. speedometer: expressway management speed monitor; 29. Vibratometer: vibration monitor; 30. Electric energy meters: single-phase electric energy meters, three-phase electric energy meters and time-sharing electric energy meters; 3 1. Measuring transformer: current transformer and voltage transformer; 32. Insulation resistance: grounding resistance measuring instrument, insulation resistance measuring instrument and grounding electric measuring instrument; 33. Field strength meter: field strength meter; Working measuring instruments subject to compulsory verification. Electrocardiograph: electrocardiograph, electroencephalograph; 35. Exposure meter (including medical radiation source): exposure meter and medical radiation source; 36. Ionizing radiation protection instruments: ray monitor, exposure rate meter, radioactive surface pollution meter, personal dosimeter; 37. Activity meter: activity meter; 38. Laser energy power meter (including medical laser source): laser energy meter, laser power meter and medical laser source; 39. Ultrasonic power meter (including medical ultrasonic source): ultrasonic power meter and medical ultrasonic source; 40. Sound level meter: sound level meter; 4 1. Audiometer: Audiometer; 42. Harmful gas analyzers: carbon monoxide analyzer, carbon dioxide analyzer, sulfur dioxide analyzer, hydrogen analyzer and hydrogen sulfide analyzer; 43. Acidimeter: Acidimeter, blood gas acid-base balance analyzer; 44. Gas meters: gas alarms and gas detectors; 45. Mercury meter: mercury vapor meter; 46. Flame photometer: flame photometer; 47. Spectrophotometer: visible spectrophotometer, ultraviolet spectrophotometer, infrared spectrophotometer, fluorescence spectrophotometer and atomic absorption spectrophotometer. Colorimeter: filter photoelectric colorimeter and fluorescence photoelectric colorimeter; 49. Smoke and dust measuring instruments: smoke and dust measuring instruments; 50. Water pollution monitor: water quality monitor, water quality comprehensive analyzer, cyanide detector and dissolved oxygen detector; 5 1. Exhaled gas alcohol content detector: Exhaled gas alcohol content detector; 52. Blood cell counter: electronic blood cell counter; 53.Diometer:Diometer； 54. Electronic timing and billing device: electronic timing and billing device; 55. Cotton moisture meter: cotton moisture meter; 56. Optometry instruments: optometry instruments and optometry lens groups; 57. Microwave radiation and leakage measuring instrument: microwave radiation and leakage measuring instrument; 58. Gas filling machine: gas filling meter; 60. Heat meter: Heat meter. Please pay attention to the latest version of the above catalogue!