Technical Characteristics and Flexible Deployment
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Internal Source Deployment: When switched to the “ON” position, the source is lowered through a protection pipe into the vessel. This allows the radiation to be emitted in all directions from within the medium, providing a highly accurate 360° signal for the detectors mounted outside.
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Long Reach and Flexible Length: With a flexible extension length of up to 30 meters (98 ft), the FQG63 can reach deep into the largest process tanks, separators, or silos, ensuring precise measurement at any required elevation.
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High Activity Support: The container is built to safely house high-activity sources, including up to 185 GBq of Cesium-137 or 3.7 GBq of Cobalt-60, ensuring enough penetration power for dense media and large diameters.
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Extreme Temperature Tolerance: The internal extension and protection pipe components are designed to withstand extreme process temperatures ranging from -52 °C to +400 °C, making it suitable for both cryogenic storage and high-heat chemical reactors.
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Optimized Spherical Screening: In the “OFF” position, the source is retracted into a compact, almost spherical lead or tungsten shield, ensuring maximum safety for personnel working near the vessel.
Technical Specification Matrix
| Feature | Technical Details |
| Application | Interface measurement, Density, Level |
| Deployment | Flexible extension lowered into protection pipe |
| Extension Length | Up to 30 m (98 ft) |
| Max Activity (137Cs) | Up to 185.0 GBq (5000 mCi) |
| Max Activity (60Co) | Up to 3.7 GBq (100 mCi) |
| Process Temperature | -52 to +400 °C (-62 to +752 °F) |
| Security | Padlock, Cylinder lock, or Locking bolt |
Primary Applications
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Oil & Gas Separators: Measuring the interface levels between gas, oil, emulsion, and water layers with high precision by placing the source at the heart of the separation zones.
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Large Chemical Reactors: Monitoring density gradients or catalyst levels in deep vessels where external-to-external radiation paths would be too long.
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Interface Detection: Detecting the boundary between two liquids of similar density in large storage tanks where high accuracy is required for product quality.
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Tall Silos and Tanks: Continuous level or interface monitoring where the source must be positioned at specific internal heights to optimize the measurement range.
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Retrofitting Existing Vessels: Easy installation on existing vessel flanges using specialized adapters and centering flanges.
