GE-1201 compact ultrasonic level
transmitters are designed to measure liquid and solids
levels, up to a range of 15 meters. The range can be
configured by the keyboard and display. The level meter is
mounted on top of the vessel or tank.
The microprocessor sent an electronic pulse, then the
transducer converts it into an acoustic pulse. The pulse
travels to the level that is being measured and reflected
back to the transducer. The transducer then converts its
energy back into an electronic signal and stops the counter
in the microprocessor. Knowing the speed of sound through
the air, then it can accurately determine the distance.