A240A – H2KA240KA1CD00

A240A works as a signal transmitting and receiving unit. This ultrasonic transducer is suitable for non-contact level detection and proximity measurement with extraordinary reliability. In particular, the transducer with the PVDF housing can operate under harsh chemical environments to measure the level of fluids, pastes, and coarse bulk materials.


Operation Frequency240kHz
Capacitance (@ 1 kHz, 1Vrms)400pF
Directivity (Full Angle @-3 dB)8Degree
Maximum Driving Voltage
( 2% Duty Cycle Tone Burst )
Maximum Sensing Range100cm
Blind Zone< 4cm
Dimension-OD (Face)13.5mm
WireUL1430 #24 AWG φ1.43mm


  • High performance
  • High reliability
  • PVDF housing
  • FDA compliance
  • Chemical resistance
  • Waterproof IP68
  • Patent pending

Major Application

  • Non-contact level detection
  • Proximity measurement

Download datasheet in PDF format.