光电直读水表
- 产品特点
- 采用光电透射式直读技术,直接读取字轮数据,无累计差;
- RS-485 或M-bus总线制通讯技术,能够同时给水表供电和传输数据;
- 总线供电,无电池寿命的担忧;
- MCU内置EEPROM,数据安全,不用担心因掉电丢失数据;
- 抄表时短时间工作,电子单元寿命长。
Adopting photoelectric transmission direct reading technology, directly reading wheel data without cumulative error;
RS-485 or M-bus communication technology, capable of simultaneously supplying power to water meters and transmitting data;
Bus powered, no concerns about battery life;
MCU has built-in EEPROM for data security, so there is no need to worry about data loss due to power failure;
Short working hours during meter reading and long lifespan of electronic units.
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 |
工作电压
Working voltage |
DC12V DC24-42V |
通讯速率
Communication rate |
2400bps,9600bps,自定义 |
电子读数
Electronic reading |
4位直读:0~9999;6位直读0.0-99999.9 |