Air Ultrasonic Ceramic Transducers 250ST/R160
  • Compact and light weight
  • High sensitivity and sound pressure level
  • Excellent temperature and humidity durability
  • Low cost
  • Applications
  • Remote control devices
  • Robotics
  • Intrusion Alarms
  • Energy saving equipments
  • Specification
    250ST160 Transmitter
    250SR160 Receiver
    Center Frequency 25.0±1.0KHz
    Bandwidth (-6dB) 2.0KHz
    Transmitting Sound Pressure Level
    at 25.0KHz; 0dB re 0.0002µbar per 10Vrms at 30cm
    112dB min.
    Receiving Sensitivity at 25.KHz 0dB=1 volt/µbar -62dB min.
    Capacitance at 1KHz ± 20% 250ST 3000pF
    250SR 2600pF
    Max.Driving Voltage (cont.) 20Vrms
    Total Beam Angle (-6dB) 85° typical
    Operation Temperature -30 to 70 °C
    Storage Temperature -40 to 80 °C
    All specification taken typical at 25°C; closer frequency tolerance can be supplied upon request.
    Models available
    1. 250ST/R160 Aluminum Housing
    2. 250ST/R16P Plastic Housing