Endress Hauser FMB50 Stainless Steel Level Sensor Hydrostatic Level Measurement Pressure Sensor
Brand Name:E+H
Model Number:FMB50
Minimum Order Quantity:1 pc
Delivery Time:7-14 days
Payment Terms:T/T
Place of Origin:China
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Product Details
What is it
- The Deltapilot FMB50 is a hydrostatic (pressure-based) level transmitter sensor, part of the Deltapilot M line.
- It is used to measure level (or pressure) of liquids or paste‐like media by detecting the hydrostatic pressure at a point (usually near the bottom of a tank).
Key Features
Feature | Data / Specification |
Measuring principle | Hydrostatic / Pressure measurement. |
Measuring range | From 0.1 bar to 10 bar relative pressure, which translates to up to roughly 100 m of water head. |
Accuracy | Standard ±0.2%, with an optional ±0.1%. |
Temperature range (process medium) | –10 °C to +100 °C (can tolerate up to +135 °C for short periods in some versions). |
Overpressure / max process pressure | Up to 40 bar overpressure limit; process pressure rating matches measuring cell. |
Materials (wetted parts / membrane etc.) | 316L stainless steel, Alloy C, optional coatings (e.g. AuPt). Membrane options include gold-rhodium etc. |
Special measuring cell | “Contite” measuring cell: hermetically sealed, condensate resistant; helps with reliable performance in humid or condensing environments. |
Applications
- Used in both open and closed containers / tanks.
- Works with liquid and paste-like media. So even slurries or viscous fluids, as long as pressure transmission is possible.
- Not significantly affected by foam formation (which can cause issues for some other level sensors).
- Process and hygienic applications (e.g. food, pharma) where cleaning, material compatibility, and possibly certifications are important.
- It is compatible with safety-instrumented systems (SIL2).
Communication / Integration
- The device can output 4-20 mA with HART protocol.
- Also available with PROFIBUS PA and FOUNDATION Fieldbus interfaces, depending on configuration.
- Local display and menu-guided commissioning (for setting up zero, span, offsets etc.).
Advantages / What Makes It Good
- The sealed Contite cell means it handles condensate well; in cold or humid conditions, or where condensation inside sensor housings is an issue, this helps prevent measurement errors.
- Good accuracy, stability and minimal temperature effects.
- Versatile mounting options (threads, flush hygienic, flanges etc.) so it can be used in many tank types.
- Overpressure safety helps with process upsets. SIL2 capability helps in safety-critical environments.
Limitations / Considerations
- Because it measures hydrostatic pressure, fluid density matters: for a given pressure reading, the height (level) depends on density. If the density changes, you may need correction or use of dual sensors / differential setups.
- Installation must ensure that the sensor's zero point is well defined; avoid mounting in locations that cause turbulence, pressure shocks, or where foaming or sludge may accumulate on the membrane.
- For very high temperature, or extreme chemical compatibility, check material options and coatings.
Endress Hauser FMB50 Stainless Steel Level Sensor Hydrostatic Level Measurement Pressure Sensor
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