list of all the Instruments and Methods used in Level Measurements.
1. Level measurement using gauge glass technique.
2. Float type level indication
3. Float level switch
4. Float / rope method
5. Float operated spring loaded level switch
6. Magnetic float device
7. Level measurement using displacer and torque tube
8. Air purge system/bubbler system
9. Thermal level sensors
10. Low level conductivity switch
11. Thermal level sensor with heater and probes
12. Capsule type thermal level sensor
13. Expansion type thermal level sensor
14. Hydrostatic pressure method
15. Differential pressure method
16. Level measurement using resistance tapes
17. Capacitance level detection
18. Radiometric level detection
19. Ultrasonic sensors
20. Microwave time of flight method
21. Non-conducting optical level sensor
22. Optical sludge level detector
23. Light refraction type level switch
24. Level detection using fiber optics
25. Radar level transmitters
26. Laser level devices
27. Level switches