Automatic Monitoring Instrument for Soil and Water Loss in Runoff Plots (Automatic Monitoring Instrument for Sediment Flow in Runoff Plots)

1. Main Control System: (with automatic wake-up function); Specifications: stainless steel outdoor rainproof, 360*450*170mm; System: microcontroller-controlled, main CPU system, ARM core; Power supply: DC24V; Communication method: USB copy or GPRS wireless communication for sensor data collection (remote and local data communication); Communication interface: RS485; Display module: 7-inch full-color touch screen; Interface capacity: 5 groups; Data processing: uses 24-bit A/D data processing, capable of simulating 5 channels of sediment concentration data collection, calculating flow rate, collecting sediment concentration data, full-color screen data display processing, human-machine interface control processing; Data configuration: cumulative sediment collection, historical data storage, historical data curve display, Excel export; Protection measures: automatic wake-up of control collection equipment, automatic shutdown after flow interruption to extend service life.

2. Lower Machine: Chassis structure: 700*450*420mm; Included equipment: photoelectric sediment concentration measurement sensor, electromagnetic flow meter, flow processor, automatic cleaning control valve; Photoelectric sediment concentration measurement sensor, sampling interval: 1ms; Measurement error: ≤3%; Submersible electromagnetic flow meter measurement error: ≤2%; 3. Power requirements: AC220V; Power: <30W; Storage temperature: -40~+80°C; Operating temperature: 0~60°C; Protection level: housing made of stainless steel, compliant with IP65 rating.