40 kHz Ultrasonic Sensor Waterproof

14mm Dust Proof High Precision Ultrasonic Distance Measurement Sensor 40 kHz With Connector Quick details: 1. Dimension: 14mm(D)*9.0mm(H) 2. Center frequency :40.0±1.0KHz 3. Using Method: act both as transmitter and receiver. 4. Construction:Enclosed type Specification Center frequency 40±1.0KHz Echo Sensitivity ≥150mV Decay Time ≤1.05ms Directivity (X) 120±15° Directivity (Y) 60±10° Capacitance 1800±15% pF Input Voltage ≤140Vpp Mean Time To Failure 50000h Operating