初高中生黄福利网站_全免费a级毛片免费**视频_秋霞一区二区三区_麻豆三级视频

Multi-function Electric Power Monitoring Mete

Model: ES721 Three Phase Intelligent Power Meter

1. Measuring Items:Voltage/Current/Active Power/Reactive Power/Frequency/Power Factor
2. Two switch input and two switch output, with remote control function
3. Input and output buffering
4. True effective value measurement
5. With RS485 interface/Modbus RTU communication protocol
6. With two switch programmable alarm
7. Display programming sets input parameters