1、Smart home and home automation, it can make your life more convenient. 2、Automated industrial PLC, electronic measuring instrument, very accurate and reliable. 3、RS485 remote monitoring, multimeter voltmeter, working voltage is 8V‑12V. 4、Working current is 10‑15MA, MODBUS RTU instruction supports 03 06 function code. 5、The V1 channel voltage measurement range is 0‑5V, the V2 channel voltage measurement range is 0‑10V, and the C1/C2 channel current measurement range is 0‑20MA. 6、The voltage resolution is 0.01V, and the measurement accuracy is 1%; the current resolution is 0.1MA, and the measurement accuracy is 1%; if the error is greater than 1%, it can be calibrated. 7、In addition to the computer serial port super terminal input, MODBUS RTU commands can also be input by PLC. 8、In MODBUS RTU command mode, it can support up to 247 devices in parallel. Condition:100% Brand New Item Type: Voltage and Current Analog AcquisitionWorking Voltage: 8‑24V Working Current: 10‑15MA 1 x Voltage and Current Analog Acquisition