ASTM E617-97(2003) 在中国标准分类中归属于: N13 机械量仪表、自动秤重装置与其他检测仪表。 ASTM E617-97(2003) 实验室砝码和精密质量标准用标准规范的最新版本是哪一版? 1.1 本规范涵盖实验室使用的重量和质量标准,特别是 0、1、2、3、4、5、6 和 7 级。本规范取代国家标准局通告 547 第 1 节,该...
ASTM E617-23 适用范围 1.1 本规范涵盖实验室使用的重量和质量标准,特别是 0、1、2、3、4、5、6 和 7 级。本规范取代国家标准局通告 547 第 1 节,该标准已绝版。 1.2 本规范规范进一步认识到国际建议 R111 的存在,它描述了 E1、E2、F1、F2、M1、M2 和 M3 类。用户可以根据需要选择参考R111或本规范。
Class 1.1 weights are used for calibration of low-capacity, high-sensitivity balances. They are available in various denominations from 1 to 500 mg. The tolerance for any denomination in this class is 5 µg. They are recommended for calibration of balances using optical or electrical methods f...
熔融锌液中锌含量应不小于 随后,通过合金化处理工艺在整个镀层上形成锌铁合金层,合金镀层中铁含量通常为7～15%。 3.无间隙原子钢 interstitial free steels 无间隙原子钢是在 碳钢中加入适量的钛或铌,使钢中的碳、氮间隙原子完全被固定成碳、氮化物,钢中没有间隙原子存在的一类钢。 4.无间隙原子高强度钢 high...
Denomination Metric mg except as noted Class 000 Class 00 Class 0 Class 1 Class 2 Class 3 Class 4 Class 5 Class 6 Class 7 5000 kg 25 g 50 g 100 g 250 g 500 g 750 g 3000 kg 15 g 30 g 60 g 150 g 300 g 450 g 2000 kg 10 g 20 g 40 g 100 g 200 g 300 g 1000 kg ...
Troemner Alloy 8 Stainless Steel Precision Weights are available in Troemner UltraClass and ANSI/ASTM E617 from Class 0 until 4. Troemner Alloy 8 Stainless Steel Precision Avoirdupois. This Weight weighs 4 oz. Weights are available in ANSI/ASTM E617 Cla
Troemner Alloy 8 Stainless Steel Precision Metric Weights are available in Troemner UltraClass and ANSI/ASTM E617 from Class 0 until 4. Troemner Alloy 8 Stainless Steel Precision Avoirdupois. This Weight weighs 2 kg. Weights are available in ANSI/ASTM E
7.调湿 把样品(或实验室取样)放入D1776要求的纺织品测试的标准环境中。 8.样品的选择和数量 8.1一般每个试样取10个样品﹐每个样品至少125mm2(5in2)或直径为125mm(5in)的圆。样品可以不用从试样上剪下来。每块样品都应含有不同经向/长度方向和不同纬向/宽度方向。取样至少离布边的距离是幅宽的10%以上﹐圆...
ASTM Standard E 617 has recently been revised, and a major revision of OIML R 111 is currently in process. The concept of conventional mass, which is essential to both standards, is discussed in detail. A known problem with this concept exists at higher altitudes (starting as low as 1000...
Q690D Q690E QA2 QQ C-390 (C 96400) QQ N-281 (Class A) QQ N-281 (Class B) QQ N-281 (MONEL alloy R-405) QQ N-286 (Class A) QQ N-286 (Class B) QQ N-286 (MONEL alloy K-500) QQ N-286 (N 05500) QQ N-288 (Composition A) QQ N-288 (Composition B) QQ N-288 (...