一、产品简介   Product Introduction

        D520M/7DD控制器采用膜片式传感器，其防爆等级ExdeIICT5。可用于空气等一般气体介质和水、油等液体介质。控制器的设定值可调，调节范围0~25KPa。压力控制器的下列零部件符合GB3836.1~3标准(相当德国VDE0171标准）中规定的防爆等级。在工厂现场安装时，必须遵守《中华人民共和国爆炸危险场所电气安全规程(试行)》

        D520M/7DD controller adopts adiaphragm type sensor with an explosion-proof level of ExdeIICT5. Can be usedfor general gas media such as air and liquid media such as water and oil. Theset value of the controller is adjustable, with an adjustment range of 0-25KPa.following components of the pressure controller comply with the explosion-prooflevel specified in GB3836.1~3 standard (equivalent to the German VDE0171standard). When installing at the factory site, it is necessary to comply withthe Electrical Safety Regulations for Explosive Hazardous Areas of the People'sRepublic of China (Trial)

二、工作原理   Operational principle

三、技术参数 Technical Parameter

四、产品分类   Product classification

五、外形尺寸 External dimensions

六、安装说明   Installation instructions

以上参数仅供参考，如有改动恕不另行通知!

Above parameters arefor reference only and are subject to change without prior notice!