Description
WIKA S-11 is a flush-diaphragm, sanitary-safe pressure transmitter engineered for viscous, clogging, crystallizing, and slurry-type media. Ideal where dead-leg, sediment trapping, and hygienic washdown are critical. Perfect for food, dairy, beverages, biopharma, CIP/SIP loops, and coating/slurry tanks where standard ports clog over time.
WIKA S-11 — Key Technical Data & Selection Parameters
| Parameter | Specification / Details |
| Measuring Range | 0…100 mbar to 0…40 bar (flush diaphragm) |
| Accuracy | ±0.25% FS (standard); ±0.5% FS (optional) |
| Sensor Technology | Flush stainless steel diaphragm, oil-free thin-film sensor |
| Output Signal | 4–20 mA, 0–10 V, 1–5 V |
| Electrical Connections | DIN, M12x1, Tri-clamp cable, Hygienic connectors |
| Process Connection | Flush Tri-Clamp, DIN 11851, SMS, VARIVENT |
| Media Compatibility | Viscous paste, dairy, pulp, molasses, syrups, slurries, yeast |
| Overpressure Safety | 2× full scale |
| Response Time | < 5 ms |
| Temperature Range (Media) | –20 °C to +150 °C (CIP/SIP rated) |
| Ingress Protection | IP67 / IP69K (washdown safe) |
| Hygienic Approvals | FDA, EHEDG, 3-A |
| Cleaning Compatibility | CIP/SIP steam sterilization + chemical cleaning |
| Application Class | Hygienic + clogging media + high viscosity |
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