400SR12P

The couple of transducer 400ST/R120 is suitable for low cost applications where the minimum measurable distance is a fundamental parameter or anyway for simple detection of people and objects passing.

Features

• Work Environment: Indoor
  
• Working frequency: 40,0 ± 1KHz
• Emitted sound pressure (to 40.0 KHz, 0dB re 0.0002 μbar for 10Vrms to 30cm): 115dB min
• Receive Sensitivity (40,0KHz 0dB=1V/µbar): -67dBmin
• Diameter: 12.7 mm