Baumer – Combilyz AFI4

CombiLyz_Conductivity Meter

Brand : Baumer

The Baumer AFI4 (CombiLyz) is a performance‑class conductivity measurement sensor designed for precise inline measurement of liquid conductivity and concentration in industrial and hygienic processes. It integrates both the conductivity sensor and transmitter in one compact unit, featuring all wetted parts in PEEK and a compact hygienic design compliant with 3‑A sanitary standards, EHEDG certification and FDA‑compliant materials — making it suitable for food, beverage, pharmaceutical, and water treatment applications. The AFI4 provides reliable measurement across a wide range of conductivity spans and supports flexible output configurations including multiple analog channels.

Equipped with a built‑in graphical display and programmable features such as temperature compensation, selectable measuring ranges, and configurable media concentration calculation, the AFI4 allows both local and remote configuration via IO‑Link or programming tools. Its fast response characteristics, high repeatability and robust hygienic construction make it well suited for automated process control, quality monitoring, and phase separation tasks where precise liquid analysis and inline feedback are critical.

For more info, download our full technical spec.

Specifications

Specification Details
Product Name Baumer AFI4 CombiLyz Conductivity Sensor
Measurement Type Conductivity and concentration analysis
Conductivity Range Selectable in 14 ranges from ~50 µS/cm up to ~1000 mS/cm
Min Measurable Conductivity ≈ 50 µS/cm
Temperature Compensation Adjustable 0.0 … 5.0 %/K
Step Response Time (T90) ≤ 2.0 s
Sample Time ≤ 0.4 s
Output Signals 2 x 4 … 20 mA; optional IO‑Link and HART®
Display Integrated graphical display with relays
Process Connection G 1 A hygienic (PEEK)
Wetted Parts Material PEEK Natura
Surface Roughness Ra ≤ 0.8 µm
Protection Class IP67 (EN 60529); IP69K with appropriate cable
Operating Temp Range -30 … 80 °C (with display); -40 … 85 °C (without)
Process Temp Range -20 … 140 °C; 140 … 150 °C (< 1 h)
Pressure Rating ≤ 25 bar
Approvals 3‑A sanitary, EHEDG, FDA (21 CFR 177.2415), EMC EN 61326‑1

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