Level measurement URVISH SONI
Importance and Units
UNITS Height ! Depth ! Cm , mm, km….
Level measurement methods Direct methods Bob and Tape method Sight glass method Indirect methods Pressure gauge type Air bellows
Bob and Tape method
Sight glass method
Indirect methods Pressure gauge type
Air bellows
Capacitance type level measurement
Radiation type level measurement Radio Active element is used like Cs 60 For Heavy oils, Slurries Radiation is Hazardous
Differential pressure type level measurement
Ultrasonic level detector
Laser Level Sensors
Optical Level detector Optics!
Level switches Float type level switch Displacer level switch Conductivity level switch
Float type level switch
Displacer level switch
Conductivity level switch