本规范适用于分度值为0.000 2 mm、0.000 5 mm和0.001 mm的轴承圆锥滚子直径、角度和直线度比较测量仪校准。

定价： 24元 / 折扣价： 21 元 加购物车

本标准规定了牙根尖定位仪的要求、试验方法和说明书。
本标准适用于在牙根管治疗过程中，以电测量方式确认牙根尖孔位置的牙根尖定位仪。

定价： 24元 / 折扣价： 21 元 加购物车

本标准规定了法庭科学涉枪案件中纺织品上显现铜、铅元素判断射击距离的试剂配方、操作步骤和判断方法。本标准适用于纺织品在近距离（1 m内）被明确种类的枪支射击时，对射击距离的判断。

定价： 19元 / 折扣价： 17 元 加购物车

本标准适用于系统电压等级为110（66）kV～750kV的交流油浸式变压器（电抗器）。

定价： 24元 / 折扣价： 21 元 加购物车

定价： 1177元 / 折扣价： 1001 元 加购物车

定价： 193元 / 折扣价： 165 元 加购物车

This specification covers separable single-circuit miniature thermocouple connectors with two flat pins. Connectors covered by this specification must be rated for continuous use to at least 300 °F (150 °C), but they may optionally be rated higher. This specification does not cover multiple-circuit connectors, multi-pin connectors, standard size connectors, connectors intended primarily for panel mounting, or high-temperature connectors (for example, those designed for continuous use at temperatures significantly above approximately 500 °F (260 °C)). The connectors shall be rated based on their performance during contact resistance, thermal gradient, and insulation resistance tests.1.1 This specification covers separable single-circuit miniature thermocouple connectors with two flat pins. Connectors covered by this specification must be rated for continuous use to at least 300 °F (150 °C), but they may optionally be rated to a higher temperature.1.2 This specification does not cover multiple-circuit connectors, multi-pin connectors, standard size connectors, or connectors intended primarily for panel mounting. High-temperature connectors (for example, those designed for continuous use at temperatures significantly above approximately 500 °F [260 °C]) are not intended to be covered by this specification.1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in brackets are not conversions to the values they succeed and therefore shall be used independently of the preceding values. The values given in parentheses are conversions of the values they succeed. Combining values from the two systems may result in non-conformance with the standard.1.4 The plug and jack may be ordered separately but many of the connector characteristics (see Table 1) are qualified as a mated pair. The requirements in this standard are applicable for the connector pair supplied by the same manufacturer.1.5 The following precautionary statement pertains only to the Test Methods portion, Section 9, of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

定价： 590元 加购物车

定价： 590元 加购物车

定价： 201元 / 折扣价： 171 元 加购物车

定价： 78元 / 折扣价： 67 元 加购物车

定价： 78元 / 折扣价： 67 元 加购物车

定价： 78元 / 折扣价： 67 元 加购物车

定价： 975元 / 折扣价： 829 元 加购物车

定价： 975元 / 折扣价： 829 元 加购物车

定价： 78元 / 折扣价： 67 元 加购物车