A500A – H2KA500KA1CD00

A500A ultrasonic transducer is designed to deliver outstanding performance at around 500kHz frequency using our in-house piezoceramic and acoustic matching layer along with state-of-art technologies. The transducer works as a signal transmitting and receiving unit. This ultrasonic transducer is suitable for gas flow detection and proximity measurement with precise control as well as extraordinary reliability.


Operation Frequency500kHz
Capacitance (@ 1 kHz, 1Vrms)320pF
Directivity (Full Angle @-3 dB)7Degree
Maximum Driving Voltage
( 2% Duty Cycle Tone Burst )
Maximum Sensing Range20cm
Blind Zone< 2cm
Dimension-Height6.58 (Ref.)mm


  • High performance
  • High reliability
  • Solvent resistance

Major Application

  • Gas flow meter
  • Proximity measurement

Download datasheet in PDF format.