Technical Specifications Device Type: On‑line Conductivity Analytical Transmitter Matching Sensor: 871EC series conductivity sensor Measurement Signal: Conductivity and temperature compensation signal Output Signal: 4‑20 mA DC analog signal Power Supply: 12.5‑42 VDC loop power supply Operating Temperature: ‑25 °C to +55 °C Storage Temperature: ‑40 °C to +85 °C Relative Humidity: 0‑95%, non‑condensing Mounting: Field wall‑mount or pipe‑mount housing Certifications: CE, EMC industrial analytical instrument compliance
Functional Features Real‑time on‑line conductivity measurement of industrial process medium. Built‑in temperature compensation function improves measurement accuracy under variable medium temperature. Local LCD display shows measured value, status and fault alarm information. Supports on‑site parameter calibration and configuration via front‑panel keys. Standard 4‑20mA output transmits measurement result to DCS or PLC control system.
Application Scenarios Applied in industrial water treatment system, chemical production process, petrochemical medium pipeline monitoring. It completes on‑line conductivity detection of process water, solution medium and circulating water.
Structural Characteristics Field‑mount die‑cast aluminum explosion‑proof housing with hinged cover. Front‑panel LCD display and physical operation keys for local operation. Internal signal processing circuit and loop power conversion unit. Bottom cable gland ports for sensor cable and output signal cable access.
Working Principle Conductivity sensor detects medium conductivity and temperature signals. The transmitter internal circuit receives sensor signal, completes temperature compensation calculation, converts measurement value into 4‑20mA standard analog output. Local display module refreshes real‑time measurement data, meanwhile transmits analog signal to upper control system.
Installation Requirements Mount transmitter on stable wall or pipe near process measuring point. Connect conductivity sensor cable to corresponding internal terminal according to official wiring diagram. Complete 4‑20mA signal loop power supply wiring. Carry out calibration and parameter setting after power‑on.
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