tailieunhanh - HandBooks- Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices

Thông số kỹ thuật, Dung sai, và yêu cầu kỹ thuật khác cho trọng lượng và đo lường các thiết bị là một ấn phẩm hàng năm của Viện Tiêu chuẩn và Công nghệ Quốc gia, báo cáo về các tiêu chuẩn được thông qua bởi Hội nghị Quốc gia về Cân nặng và Đo lường Nó còn được gọi là "NIST Handbook 44". | Appendix C - General Tables of Units of Measurement Handbook 44 - 2007 cwt or net cwt ---------------- 1 kilogram kg ----------------- 1 microgram pg the Greek letter mu in combination with the letter g 1 milligram mg ---------------- 1 ounce avoirdupois oz avdp ------ 1 ounce troy or apothecaries oz t or oz ap or --------- 1 pennyweight dwt ----------------- 1 point------------------------- 1 pound avoirdupois lb avdp ------ 1 pound troy or apothecaries lb t or lb ap --------------- 1 scruple s ap or ----------- 1 ton gross or long19---------- 1 ton metric t --------------- 1 ton net or short------------- kilograms. pounds. 001 gram exactly . grain. grains exactly . troy or apothecaries ounce. grams. 480 grains exactly . avoirdupois ounces. grams. grams. carat. 2 milligrams. 7000 grains exactly . troy or apothecaries pounds. 37 grams exactly . 5760 grains exactly . avoirdupois pound. grams. 20 grains exactly . grams. 2240 pounds exactly . net tons exactly . metric tons. pounds. gross ton. net tons. 2000 pounds exactly . gross ton. metric ton. 19 The gross or long ton and hundredweight are used commercially in the United States to a limited extent only usually in restricted industrial fields. These units are the same as the British ton and hundredweight. C-18 Handbook 44 - 2007 Appendix D - Definitions Appendix D Definitions The specific code to which the definition applies is shown in brackets at the end of the definition. Definitions for the General Code apply to all codes in Handbook 44. A absolute value. The absolute value of a number is the magnitude of that number without considering the positive or negative sign. acceptance test. The first official test of a farm milk tank at a particular location in which the tank is accepted as correct. This test applies to newly constructed tanks relocated used tanks .