Description
Baumer PF20S is a compact calorimetric insertion-type flow sensor designed for reliable monitoring of liquid flow in pipes. It operates on the thermal (calorimetric) principle, detecting flow by measuring heat dissipation from a heated sensor tip into the moving fluid. With no moving parts, robust stainless-steel probe, integrated electronics, and IO-Link capability, PF20S is ideal for cooling water, lubrication systems, utilities, and general industrial flow monitoring where simple flow/no-flow or switching applications are required.
PF20S — Key Technical Data & Selection Parameters
| Parameter | Specification / Details |
| Measuring Principle | Calorimetric (thermal dispersion) |
| Installation Type | Insertion type (probe mounted into pipe) |
| Suitable Media | Liquids (water, cooling water, oils with stable thermal properties) |
| Pipe Size Range | Suitable for various pipe diameters (with adjustable insertion depth) |
| Flow Measurement Type | Flow monitoring / switching (not volumetric metering) |
| Output Signals | PNP switching output + IO-Link |
| Supply Voltage | 18…30 V DC |
| Response Time | Fast response for flow/no-flow detection |
| Process Connection | Threaded (G ½, G ¾ depending on version) |
| Probe Material | Stainless steel |
| Operating Temperature | –10 °C to +80 °C (process dependent) |
| Pressure Rating | Suitable for standard industrial pipelines |
| Protection Rating | IP67 |
| Typical Applications | Cooling circuits, pump protection, utilities, lubrication lines |
Reviews
There are no reviews yet.