Air Ultrasonic Transducer - Matching Layer Type 235SR130
Features
  • Waterproof and dust-proof
  • Meet NEMA 4X, 6P and IP67 requirements
  • Excellent temperature and humidity durability
  • High sound output/sensitivity
Applications
  • Echo ranging
  • Robotics
  • Proximity sensing
  • Automation
Specification
235SR130 Transceiver
Center Frequency 235.0±10.0 KHz
Bandwidth Echo Sensitivity -6dB 10.0 KHz
Echo Sensitivity
0dB re 20Vp-p sine wave, 40 bursts @ 25cm
-61 dB min.
18 mVp-p min.
Dead Zone 10 Bursts 15 cm
Capacitance at 1KHz ±20% 540 pF
Max.Driving Voltage
Pulse 10% duty cycle tone burst
80 Vp-p
Total Beam Angle -3dB/-6dB 7.5°/10.5° typical
Matching Window Silicone Rubber
Operation Temperature -20℃ to 70℃
Storage Temperature -30℃ to 80℃

All specification taken typical at 25℃; closer frequency tolerance can be supplied upon request.
Low ringing model can be arranged upon request

Model available
1. 235SR130 Aluminum Housing