Model: TCT40-16R / T (diameter 16mm) Nominal frequency (KHz): 40KHz Emission sound pressure at10V (0dB = 0.02mPa):. ? 117dB Receiver sensitivity at40KHz (0dB = V / ubar): ?-65dB Capacitance at1KHz, <1V (PF): 2000 ± 30% One is to receive, one for the transmitter, the receiver and the transmitter are separated, T refers the transmitter, R refers receiver
Package included: 10 pcs 5 pair 16MM ultrasonic sensors Transmitting and receiving probe Ultrasonic probe R T