54-20:2006 Firedetectionandfire alarmsystems— Part20:Aspiratingsmokedetectors TheEuropeanStandardEN54-20:2006hasthestatusofa BritishStandard ICS13.220.20 12&23<,1*:,7+287%6,3(50,66,21(;&(37$63(50,77('%<&23<5,*+7/$: L i
british standard bs 5445-9: 1984 en 54-9 components of automatic fire detection systems part 9: methods of test of sensitivity to fire udc 614.842.435:654.924.5:620.1 licensed copy: sheffieldun sheffieldun, na, fri dec 01 14:03:03 gmt+00:00 2006, uncontrolled copy, (c) bsi bs 5445...
This International Standard specifies, for the field of air quality measurement procedures, the: - estimation of measurement uncertainty from actual or claimed values of all import...SS-EN ISO 14956:2002相似标准分析测试百科网标准频道是为分析测试行业提供标准信息检索而建立,方便分析测试行业从业人员查找...
54 5类别4 类别 64 6要求4 要求 77 7测试方法7 测试方法 附录 附录 A10 A(规范)组件物性及化学性质的确定10 (规范)组件物性及化学性质的确定 B13 B(规范)组件红外光谱法的确定13 (规范)组件红外光谱法的确定 315 第3页共15页 第页共页 简介
IPC-2221C-EN TOC2023印制版设计通用标准 Generic Standard on Printed Board Design.pdf,IPC-2221C Generic Standard on Printed Board Design Developed by the IPC-2221/2222 Task Group (D-31b) of the Rigid Printed Board Committee (D-30) of IPC Users of this publ
Standardmäßig werden nur die ersten 50 eingehenden Pakete verfolgt: firepower# capture CAPI trace Löschen Sie den Erfassungspuffer: firepower# clear capture /all Falls das Paket von der Firewall-Zugriffsrichtlinie verworfen wird, sieht die Ablaufverfolgung ähnlich wie diese Ausg...
• Compatibility with industry standard 75ꢀ76 pinout • Driver Output Short-Circuit Protection DESCRIPTION TheSP3485device is a +3.3V low power half-duplex transceiver that meets the specifica- tions of the RS-485 and RS-422 serial protocols. This device is pin-to-pin compatible with ...
英文名称:Rotating electrical machines - Part 2-1: Standard methods for determining losses and efficiency from tests (excluding machines for traction vehicles) 标准状态:现行 发布日期:2024-03-12 文档简介 IEC60034-2-1:2024是一个关于旋转电气设备的测试效率损失的标准方法,特别针对那些不包括牵引车辆设备在...
下载 打印 / 54 视图 标记 批注 standard 上传于:2018-09-27 粉丝量:259 该文档贡献者很忙,什么也没留下。 下载此文档 更多相关文档 (高清正版) DIN EN ISO 4885-2018 . 星级: 54 页 (高清正版) DIN EN ISO 4885-2018 . 星级: 54 页 (高清正版)ISO 4885-2018 ...
SIEMENS西门子 SINAMICS G120XA 变频器操作说明 EN.pdf,Operating instructions SINAMICS SINAMICS G120XA Infrastructure converters for standard pumps/fans Edition 06/2021 /drives Fundamental safety 1 instructions Description 2 SINAMICS Mounting 3 Wiring 4 SIN