Electrostatic Ultrasonic Transducers 500ES290
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Features
  • 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
    500ES290 Transceiver
    Center Frequency 50.0±1.0Khz
    Transmitting Sound Pressure Level
    at 50.0Khz; 0dB re 20 μPa per 300Vac pk-pk, 200Vdc bias at 50 cm    		 116 dB min.
    Receiving Sensitivity
    at 50.0Khz, 200Vdc bias, 0dB = 1 volt/Pa ( 0dB = 1 volt/μbar )    		 -45 dB min. (-65 dB min.)
    Capacitance at 1Khz ± 20% 600 - 700 pF
    Suggested DC Bias Voltage 200V
    Suggested AC Driving Voltage 300Vpk-pk
    Maximum Combined Voltage 400V
    Total Beam Angle -6dB 13° typical
    Operation Temperature 0 to 60 °C
    Standard Finish Foil (Diaphragm) Aluminum
    Housing ABS
    All specification taken typical at 25°C; gold plated foil can be supplied upon request.
     
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