• 产品特点
• 远传方式可使用M-bus总线或RS485总线;
• 发讯脉冲当量最小可以达到0.001立方米;
• 脉冲采样或开关阀时由电池供电，总线通讯时由总线(M-bus)或外部供电(RS485);
• 超低功耗设计，使用寿命可以保证8年以上;
• 采用先进的数据编码及校验方式，通讯可靠性高;
• 表有*的地址标识，保证数据的*性、正确性;
• 满足EMC、ESD、EMI等电子产品电磁兼容方面的设计要求;
• 与上位机系统相结合，建立远程自动抄表管理系统，真正实现抄表自动化。

Product features
The remote transmission method can use M-bus or RS485 bus;
The minimum transmission pulse equivalent can reach 0.001 cubic meters;
When pulse sampling or switching valves, they are powered by batteries, and when communicating on the bus, they are powered by the bus (M-bus) or external power (RS485);
Ultra low power consumption design ensures a service life of over 8 years;
Adopting advanced data encoding and verification methods, high communication reliability;
The table has a unique address identifier to ensure the uniqueness and accuracy of the data;
Meet the design requirements for electromagnetic compatibility of electronic products such as EMC, ESD, EMI, etc;
Combined with the upper computer system, establish a remote automatic meter reading management system to truly achieve meter reading automation.

产品参数（中文） Product parameters（English）	参数值（中文） Parameter values（English）
通讯协议 Communication protocol	CJ/T188 DL/T645 自定义（Customization)
工作环境 Work environment	-10°C~55°C,<100%RH
气候和机械环境条件等级 Climate and mechanical environmental condition levels	B
电磁兼容性等级 Electromagnetic compatibility level	E1
通信方式 Communication mode	RS-485 M-bus
压力损失 pressure loss	≤0.063Mpa
防护等级 Protection level	IP68
静态电流 Static current	≤3UA