AFI4

AFI4

🧪 What This Data Means — For Quick Client Selection

  • Multiple conductivity ranges allow AFI4 to be used for both low-conductivity DM/RO water and high-conductivity industrial water, making it a universal choice for plant water systems.

  • 2-electrode vs 4-electrode sensor options let you choose based on fouling tendency—4-electrode recommended for high-conductivity or dirty water, 2-electrode for clean water.

  • Advanced temperature compensation ensures stable readings even when feed water temperature fluctuates—critical for RO plants and CIP processes.

  • Loop-powered 4–20 mA output makes it easy to integrate with PLC/SCADA systems without separate power supplies.

  • Wide chemical compatibility (SS/PVDF/Graphite) makes it suitable for mild chemicals, CIP solutions, and general process water applications.

  • IP65 housing supports harsh industrial environments, including ETP/STP control rooms, chemical dosing skids, and RO plant panels.

  • Simple on-site calibration reduces downtime and allows operators to maintain accuracy using standard conductivity solutions.

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Description

Baumer AFI4 is a compact, high-accuracy conductivity/TDS transmitter designed for industrial water quality monitoring. It provides fast, temperature-compensated measurements using robust stainless-steel or graphite sensors. Ideal for RO/DM plants, CIP systems, utilities, and general industrial water treatment applications requiring stable, reliable conductivity and TDS measurement.

🔧 Baumer AFI4 — Key Technical Data & Selection Parameters

Parameter Specification / Details
Measurement Range 0…2000 µS/cm, 0…20 mS/cm, 0…200 mS/cm (sensor-dependent)
TDS Measurement Based on adjustable TDS factor (0.30–1.00)
Sensor Type 2-electrode or 4-electrode conductive sensors
Cell Constants K = 0.1 / 1.0 / 10.0
Temperature Compensation Automatic NTC/PT100/PT1000; linear or nonlinear modes
Accuracy ±1% of reading (application-dependent)
Process Temperature –20 °C to +120 °C (sensor-specific)
Process Pressure Up to 16 bar (material-dependent)
Output 4–20 mA isolated (optional 2-channel with T/Cond)
Display Backlit LCD with configuration keys
Power Supply 24 VDC (loop-powered) or 110–230 VAC depending on version
Housing IP65 wall/field mount
Calibration 1-point or 2-point calibration (automatic/manual)
Materials SS316L / Graphite / PVC / PVDF (depending on electrode)
Communication Optional Modbus RTU (model dependent)
Typical Applications RO/DM water, soft water, boiler feed, CIP makeup, cooling towers, industrial water treatment, ETP/STP monitoring

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