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In Stock! Endress+Hauser Deltapilot FMB51-AA21RA1FGC80GGJB3A+AA | Hydrostatic Level Transmitter
Endress+Hauser Deltapilot FMB51 Hydrostatic Level Transmitter (Order Code: FMB51-AA21RA1FGC80GGJB3A+AA)

Endress+Hauser Deltapilot FMB51-AA21RA1FGC80GGJB3A+AA hydrostatic level transmitter. 400mm rod, Contite cell, 0.2% accuracy, 4-20mA HART, SIL2, WHG.
The Endress+Hauser FMB51-AA21RA1FGC80GGJB3A+AA is a rod version hydrostatic level transmitter from the Deltapilot M series, featuring the hermetically sealed CONTITE™ measuring cell for reliable level measurement in liquids and pastes . This device is designed for applications in open or closed containers and is unaffected by foam formation . The specific configuration includes a 400 mm rod and fixed process connection.
Key Features and Product Highlights
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CONTITE™ Measuring Cell: Hermetically sealed, condensate-resistant, and climatic-proofed with minimum temperature effects .
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Rod Version: Features a rigid 400 mm probe with fixed process connection for direct tank installation.
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High Accuracy: Standard ±0.2% reference accuracy; optional ±0.1% .
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Modular Design: Interchangeable display and universal electronics for easy maintenance .
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Communication: 4-20 mA HART output with simple menu-guided operation .
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SIL2 Certified: Suitable for use in safety instrumented systems per IEC 61508 .
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Wide Approvals: WHG overfill protection, drinking water (NSF), and global explosion protection certificates .
Technical Specifications

| Parameter | Specification |
|---|---|
| Manufacturer | Endress+Hauser |
| Product Series | Deltapilot M FMB51 |
| Measuring Principle | Hydrostatic pressure |
| Probe Type | Rod version (fixed process connection) |
| Probe Length | 400 mm (L=400MM specified separately) |
| Measuring Range | 100 mbar to 10 bar (1.5 to 150 psi) |
| Max. Measurement Distance | 100 m (328 ft) H₂O |
| Reference Accuracy | ±0.2% (standard); ±0.1% (optional) |
| Long-term Stability | 0.05% of URL/year |
| Process Temperature | -10°C to +85°C (14°F to 185°F) |
| Max. Overpressure Limit | 40 bar (600 psi) |
| Process Connection | Thread (G1½, MNPT1½) or flange |
| Wetted Parts Material | 316L, Alloy C; optional AuPt coating |
| Output Signal | 4-20 mA HART |
| Supply Voltage | 10.5 to 45 VDC (Non-Ex); 10.5 to 30 VDC (Ex ia) |
| Housing Material | Die-cast aluminum or 316L |
| Protection Rating | IP66/IP67 |
| Certifications | ATEX, FM, CSA, IECEx, WHG, SIL2, NACE, NSF |
Applications
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Environmental Industry: Level measurement in water and wastewater applications .
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Chemical & Pharmaceutical: Liquid level monitoring in tanks and vessels .
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Food & Beverage: Hydrostatic measurement for paste-like media .
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Industrial Processes: Level, volume, or mass measurements in open or closed containers .
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SIL2 Safety Systems: Certified for use in safety instrumented functions .
Why Choose the Deltapilot FMB51?
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Condensate-Resistant: Hermetically sealed CONTITE™ cell prevents moisture ingress, ensuring long-term stability in humid environments .
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Unaffected by Foam: Reliable measurement even in processes with foam formation .
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Global Approvals: WHG overfill protection, drinking water (NSF), and hazardous area certifications enable worldwide deployment .
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Easy Commissioning: Menu-guided operation via local display, HART, or remote configuration .
Order Code Interpretation (Reference)
The order code FMB51-AA21RA1FGC80GGJB3A+AA specifies:
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FMB51: Rod version with fixed process connection
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AA21RA1FG...: Configurations for approval, output, housing, materials, and calibration (exact features to be verified via Endress+Hauser Device Viewer)
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+AA: Additional option (verify with factory documentation)