40KHz Ultrasonic Air Transducer for Distance Measurement
Product Description
40KHz Ultrasonic Air Transducer for Distance Measurement
Technical parameters：
Model |
PHQ40-1 |
Center resonant frequency (kHz) |
40KHZ±4% |
Frequency Bandwidth |
3kHz |
Integrated sensitivity (0 dB=300 Vp-p)；period：50； distance：1.0m |
-70dB min |
Detection distance |
0.4—10 M |
Blind spots |
＜0.4 M |
Launch angle beam （-3dB full angle） |
14±2° |
Electrostatic capacitance |
3000PF±20% |
Minimum parallel impedance |
180Ω±30% |
Maximum working voltage(Pulse - 2% duty cycle) |
＜1500V |
Operating temperature |
-20～70℃ |
Protection level |
IP65 |
Case Material |
ABS or PVDF |
Photo:
Outline Dimension：
Frequency-Resistance Curve：
Frequency-Phase Angle Curve：
Sensitivity Test:
Transmitting voltage:300Vp-p; period: 50; distance: 1.5M
Directivity Curve：