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E+H Nivector FTI26 Capacitance Point Level Switch
Endress+Hauser Nivector FTI26 Sensor
The Endress+Hauser Nivector FTI26 is a compact capacitance point level switch designed for reliable limit detection in powders, fine-grained bulk solids, and food ingredients. Featuring active build-up compensation, full hygienic compliance (3-A, EHEDG, FDA), and optional IO-Link digital connectivity, it delivers maintenance-free performance without requiring medium-specific calibration.
Hygienic and Reliable Powder Level Detection with Endress+Hauser Nivector FTI26
The Endress+Hauser Nivector FTI26 is an economical and ultra-compact capacitance point level switch engineered for continuous limit detection in powders and fine-grained bulk solids. Designed to meet stringent international hygiene standards (3-A, EHEDG, FDA, EG1935/2004) for food and beverage processing, the FTI26 is equally suited for chemical powders, plastic granules, animal feed, and detergent manufacturing facilities. It offers a reliable, maintenance-free solution for overfill prevention, refill signaling, and dry-run protection in hoppers, silos, and pneumatic conveying lines.
Advanced Capacitive Sensing & Active Build-Up Compensation
Operating on the capacitive measurement principle, the Nivector FTI26 detects changes in electrical capacitance as powders or granulates come into contact with the sensor face. In dusty process environments, airborne particles and humidity often create a coating layer on traditional sensors, causing false switching signals. The FTI26 features active build-up compensation, allowing the internal electronics to ignore dusty scale, sticky powder buildup, or condensation on the sensor tip while accurately sensing the true material level.
Key Features & Hygienic Design Advantages
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Compact & Hygienic Construction: Available with 316L stainless steel wetted parts and smooth surface finishes compliant with EHEDG and 3-A sanitary guidelines, ensuring complete CIP/SIP washdown cleanability.
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Plug-and-Play Pre-Calibration: Factory calibrated for standard powders and granular materials, eliminating the need for time-consuming on-site adjustment or recalibration.
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IP69 Extreme Ingress Protection: Built with an IP66/IP68/IP69-rated enclosure to withstand high-pressure, high-temperature washdown cleaning cycles.
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Industry 4.0 Ready with IO-Link: Supports IO-Link digital communication for easy parameter configuration, remote diagnostics, and seamless integration into automated control architectures.
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Dust-Explosion Protection: Available with international ATEX, IECEx, and CSA certifications for safe deployment in hazardous dust atmospheres (Zone 20/21/22).
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On-Site Visual Feedback: Features an integrated LED status ring that gives clear visual confirmation of power and switching status directly on the factory floor.
Ideal Solid-State Replacement for Mechanical Paddle Switches
Unlike conventional rotary paddle level switches that suffer from mechanical gear wear, motor burnouts, or jammed paddles, the Nivector FTI26 contains zero moving parts. Its solid-state design ensures immunity to mechanical vibration, shock, and heavy material impact, reducing maintenance costs and eliminating unscheduled process shutdowns.
Applications
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Food & Beverage Processing: Milk powder, flour, sugar, spices, coffee powder, cocoa, starch, and grain handling systems.
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Plastics & Chemicals: Plastic granules (pellets), resin powders, powdered detergents, pigments, and fine chemical additives.
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Agriculture & Feed Mills: Animal feed pellets, seeds, grain bins, and automated hopper feeding systems.
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Pharmaceuticals & Personal Care: Powdered active ingredients, excipients, and tablet press supply hoppers.
Technical Specifications
| Parameter / Feature | Specification Details |
| Measuring Principle | Capacitive solid point level detection |
| Suitable Media | Fine-grained bulk solids, powders, granules (Grain size < 10 mm) |
| Process Temperature | -20 °C to +80 °C (-4 °F to +176 °F) |
| Ambient Temperature | -20 °C to +60 °C (-4 °F to +140 °F) |
| Process Pressure (Abs.) | -1 bar to +6 bar (-14.5 psi to +86 psi) |
| Supply Voltage | 12 to 30 V DC (DC-PNP) / 18 to 30 V DC (IO-Link) |
| Output Communication | 3-wire DC-PNP or IO-Link digital interface |
| Wetted Materials | 316L (1.4404), ECTFE, Polycarbonate (FDA listed) |
| Process Connections | G 1″ Thread (Adapters available for Tri-Clamp 2″, Weld-in, NPT) |
| Ingress Protection | IP65 / IP66 / IP68 / IP69 (NEMA 4X / 6P) |
| Hygienic Approvals | 3-A, EHEDG, FDA, EG1935/2004 |
| Hazardous Approvals | ATEX, IECEx, CSA C/US, EAC Ex (Dust-Ex certified) |
FAQ
Q1: Can the Nivector FTI26 be used in food-grade milk powder or flour applications?
Answer: Yes, the FTI26 complies fully with 3-A, EHEDG, FDA, and EG1935/2004 sanitary guidelines, making it completely safe for direct food contact.
Q2: How does the FTI26 handle heavy dust coatings on the sensor tip?
Answer: The FTI26 features built-in active build-up compensation that effectively ignores dust deposits and material scaling clinging to the sensor face.
Q3: Does the Nivector FTI26 require calibration when changing powder media?
Answer: No, the FTI26 comes factory-calibrated for most fine-grained solids and powders, allowing true plug-and-play operation.
Q4: Is the sensor certified for explosive dust atmospheres?
Answer: Yes, the FTI26 is available with international Dust-Ex certifications, including ATEX, IECEx, and CSA for hazardous dust zones.
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