(Lot of 10) 18MM, 40KHZ, TRANSMITTER, ULTRASONIC, Frequency: 40kHz,
Specification400ET180Transmitter400ER180ReceiverCenter Frequency (Fc)40.0±1.0KHzBandwidth(-6dB)1.5KHz (Tx), 1.5KHz(Rx)Transmitting Sound Pressure Level at Fc; 0dB re 0.0002µbar per 10Vrms at 30cm115dB min.Receiving Sensitivity at Fc, 0dB=1 volt/µbar-70dB min.Capacitance at 1KHz ± 20%2400pFMax.Driving Voltage(cont.)15VrmsTotal Beam Angle -6dB30° typicalOperation Temperature-30 to 70° CStorage Temperature-40 to 80° CAll specification taken typical at 25°C; closer frequency tolerance can be supplied upon request.