GSO IEC 60947-5-9:2015
低压切断、连接和控制装置 第5-9部分：控制电路装置和开关元件 流量控制开关

Low-voltage switchgear and controlgear - Part 5-9: Control circuit devices and switching elements - Flow rate switches

非常抱歉，我们暂时无法提供预览，您可以试试： 免费下载 GSO IEC 60947-5-9:2015 前三页，或者稍后再访问。

您也可以尝试购买此标准，
点击右侧 “立即购买” 按钮开始采购（由第三方提供）。

标准号

GSO IEC 60947-5-9:2015

发布

2015年

发布单位

GSO

当前最新

GSO IEC 60947-5-9:2015

 

 

适用范围

This part of IEC 60947 applies to flow rate switches that sense the rate of flow of a gas, a liquid or a granular solid. These switches change their output state if a pre-set value for the speed of flow is exceeded. These flow rate switches are self-contained, have semiconductor switching element(s) and are intended to be connected to circuits, the rated voltage of which does not exceed 250 V 50 Hz/60 Hz a.c. or 300 V d.c. This standard does not specify the additional measures that are necessary for flow rate switches used in conjunction with explosive sensing materials and/or in an explosive location. This standard is not intended to cover devices with analogue outputs. The object of this standard is to state for flow rate switches: – definitions; – classifications; – characteristics; – product information; – normal service, mounting and transport conditions; – constructional and performance requirements; – tests to verify rated characteristics.

GSO IEC 60947-5-9:2015相似标准

推荐