1. Level measurement
URVISH SONI

2. Importance and Units

3. UNITS
Height !
Depth !
Cm , mm, km….

4. Level measurement methods
Direct methods
Bob and Tape method
Sight glass method
Indirect methods
Pressure gauge type
Air bellows

5. Bob and Tape method

6. Sight glass method

7. Indirect methods
Pressure gauge type

8. Air bellows

9. Capacitance type level measurement

11. Radiation type level measurement
Radio Active element is used like Cs 60
For Heavy oils, Slurries
Radiation is Hazardous

12. Differential pressure type level measurement

13. Ultrasonic level detector

15. Laser Level Sensors

16. Optical Level detector
Optics!

17. Level switches Float type level switch Displacer level switch
Conductivity level switch

18. Float type level switch

19. Displacer level switch

20. Conductivity level switch