Overview Conductivity electrodes simplify functionality while ensuring performance, offering a particularly strong price advantage. Clear display, easy operation, and excellent testing performance make them highly cost-effective. They are widely used for continuous monitoring of conductivity values in solutions such as thermal power, chemical fertilizers, metallurgy, environmental protection, pharmaceuticals, biochemistry, food, and tap water. Technical Parameters Conductivity Measurement Range 0.01–20 μS/cm (with K=0.01 electrode); 0.1–200 μS/cm (with K=0.1 electrode); 1.0–2000 μS/cm (with K=1.0 electrode); 10–20000 μS/cm (with K=10.0 electrode); Electronic Unit Basic Error Conductivity ±0.5% FS, temperature ±0.3°C; Automatic Temperature Compensation Range 0–99.9°C, with 25°C as the reference temperature; Instrument Basic Error Conductivity ±1.0% FS, temperature ±0.5°C; Electronic Unit Repeatability Error ±0.2% FS ±1 digit; Electronic Unit Stability ±0.2% ±1 digit FS/24h; Electronic Unit Alarm Error ≤±3.0% FS; Electronic Unit Ambient Temperature Influence Error ≤±0.5% FS; Electronic Unit Power Supply Voltage Influence Error ≤±0.3% FS; Current Isolated Output 4–20 mA (load <750 Ω); Electronic Unit Output Current Error ≤±0.5% FS; Alarm Relay AC220V, 3A; RS485 Communication Interface (Optional); Power Supply AC220V±22V, 50Hz±1Hz; or 24V; Protection Rating IP65; Dimensions 96 (L) × 96 (W) × 110 (D) mm; Panel Cutout Size 92 × 92 mm; Weight 1.0 kg; Operating Conditions Ambient temperature 0–60°C, relative humidity <85%; Flow Cell Inlet/Outlet Connection Pipes Hard or soft pipes, with outer diameters of φ8, φ10, and φ12; Compatible with Four Conductivity Electrode Constants 0.01, 0.1, 1.0, 10.0. Application Areas The BEC-200B model is widely used for continuous monitoring of conductivity values in solutions such as thermal power, chemical fertilizers, metallurgy, environmental protection, pharmaceuticals, biochemistry, food, and tap water. Performance Features Microcomputer-Based: Utilizes high-performance CPU chips, high-precision AD conversion technology, and SMT mounting technology to achieve multi-parameter measurement, temperature compensation, and automatic range switching, ensuring high accuracy and good repeatability. High Reliability: Touch keys, no switches, knobs, or potentiometers. Automatic Measurement Frequency Switching: Avoids electrode polarization and improves measurement accuracy. Phase-Sensitive Detection Design: Eliminates the influence of wires on measurements. 25°C Conversion: Temperature compensation with automatic measurement/manual input. Alarm Function: Isolated alarm signal output, with freely settable upper and lower alarm limits and alarm hysteresis cancellation. Industrial Control Watchdog: Ensures the instrument does not freeze. Network Function: Isolated current output and RS485 communication interface. Isolated Current Output: Upper and lower output limits for current corresponding to conductivity values can be freely set. Installation Methods: Flow-through, submerged, flange-mounted, or pipeline installation.