Instart Instrumentation Course Ch 5 Leve Link Link

| Subtopic | Description | |----------|-------------| | | Sight glass, float, displacer | | Indirect methods | Hydrostatic head (dP cell), load cells | | Electronic methods | Capacitance, ultrasonic, radar, guided wave radar (GWR) | | Link to control | 4–20 mA loop, HART, fieldbus, PLC/DCS integration | | Level link concept | Relationship between level, pressure, and output signal |

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