400ER250

The couple of transducer 400ET/R250 is suitable for outdoor 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/ Outdoor
• Configuration: transmitter (400ET250) and receiver (400ER250)
• Working frequency: 40,0 ± 3KHz
• 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): -70dBmin
• Diameter: 25.0 mm