Overview: This instruction manual is only a simple operation manual. Users who need to know detailed operations are welcome to call us for consultation. This new generation of products adds the following features and capabilities: 1. Hardware modular design, easy production and maintenance operations; 2. Electrically isolated RS485 interface, including more than 10 communication protocols such as MODBUS and M-BUS; Electrically isolated 0-20mA or 4-20mA current loop output; with heat measurement function; 3. 8-36V DC or 85-264V AC power supply mode is optional; it has functions such as manual accumulator and batch controller; it has a year-month-day cumulative recording function that can record the first 512 days (daily) and the first 128 months (monthly). ) data such as accumulated flow rate and accumulated heat; 4. Three analog inputs with an accuracy of 0.1%; please understand the working power supply and model of the product before use to prevent abnormal operat…