Technical Characteristics and Operational Reliability
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Non-Contact Detection: The FDR56 can receive signals through non-metallic walls (such as plastic, wood, or glass), allowing for a completely external installation. This prevents the sensor from coming into contact with abrasive or corrosive materials, significantly extending its lifespan.
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Signal Strength Indication: A key benefit of the FDR56 is the integrated signal strength display. This feature simplifies the alignment process between the emitter and receiver and allows for proactive maintenance by showing if dust buildup or coating is beginning to weaken the signal.
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Extreme Range and Durability: Capable of a measuring range up to 100 meters (328 ft), it is ideal for massive silos and stockpiles. The unit features a robust design with an optional ceramic sensor diaphragm to handle high-wear process conditions.
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Flexible Housing: The electronics housing can be rotated 360°, ensuring that the display and cable entries are always in the optimal position for the operator, regardless of the mounting angle.
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Seamless Retrofitting: The FDR56 is mechanically compatible with the older FDR50 series. This “plug-and-play” compatibility means you can reuse existing adapter flanges, sight glasses, and mounting brackets when upgrading your system.
Technical Specification Matrix
| Feature | Technical Details |
| Measuring Principle | Microwave Barrier (Receiver/Transceiver) |
| Interaction | Pairs with Soliwave FQR56 Emitter |
| Measuring Range | Max. 100 m (328 ft) |
| Ambient Temperature | -40 to +70 °C (-40 to +158 °F) |
| Process Connections | Threads (Standard or via Adapter Flanges) |
| Safety Approvals | International Explosion Protection (ATEX, IECEx, etc.) |
| Signal Indication | Integrated signal strength indicator |
Primary Applications
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Point Level Switching: Monitoring full or empty states for wood chips, cement, sand, gravel, and flour in large silos.
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Blockage Detection in Chutes: Identifying when a free-fall shaft or conduit is clogged, preventing upstream equipment damage.
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Object Counting: Reliable detection of bags, boxes, or large cardboard shreds on high-speed conveyor lines.
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Harsh Environmental Monitoring: Effective in areas with extreme dust, steam, or high humidity where ultrasonic or optical sensors would fail.
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Non-Invasive Sensing: Monitoring levels in hazardous or high-pressure vessels through a non-conductive window to keep the sensor safe from the process.
