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：