American ultrasonic height sensor

The sepecification of the sensor is below:

1. Diameter:16mm;
2. Height:12mm;
3. Frequency:40KHz;dual use
4. SPL:min.110dB;

5. sensitive:min.-70dB;

6. Capacitance:2500pF±20%;

7.Operating temp:-40°C~+85°C

8.Storage temp:-40°C~+85°C