Specifications

cheap ultrasonic sensors specification:

1. Construction: open structure

2. Using method: dual use

3. Center frequency: 40KHz

4. Output sound pressure: ≥ 120db

5. Sensitivity: ≥ -74db

6. Directivity: 50°

7. Capacitance: 2000±20%PF at 1KHz

8. Operating Tem. Range: -40 to 85 degrees celsius

9. Detectable Range: 0.5-13m

10.Housing material: plastical

11. Resolution: 9mm

2. Dimension and Characteristic:

-