66Khz Piezoelectric Ultrasonic Air Transducers for Distance Measurement
Technical parameters:
Block diagram of ultrasonic transducer :
Technical parameters:
| Items | Technical Parameters | Image | |
| Name | 66KHz ultrasonic transducer |  | |
| Model | PHA-66-05A | ||
| Frequency | 66KHz±5% | ||
| Detection Distance | 0.3~4m | ||
| Minimum Parallel lmpedance | 300Ω±20% | ||
| Capacitance | 1100pF±20% @1KHz | ||
| Sensitivity | no-load driving Voltage:300Vpp,Distance:0.3m, Echo Amplitude:100mV | ||
| Operating Voltage | Peak Voltage<1500Vpp | ||
| Operating Temperature | -40~+80ºC | ||
| Pressure | ordinary pressure | ||
| Angle | (Beamwidth)Half-power Beam Width@-3dB:8.5°±10%, Sharp Angle:20°±10% | ||
| Housing Material | POM | ||
| Protection Level | IP67 | ||
| Weight | 70g±5% | ||
| Wiring Instructions | Integrated interface :Red:transducer+,White:transducer-,Black: Shielded wire,(temperature sensor is optional) | ||
| Admittance Curve | Product Structure Diagram | ||
 |  | ||
Block diagram of ultrasonic transducer :
Schematic Diagram of Temperature Sensor (model: MF58_502F3470):
Integrated type Cable instruction:
1.Wiring instruction of transducer: interface (3pin, 2.54mm terminal)
Red: transducer +
White: transducer -
Black: shielding
2.Cable Instruction of Temperature Sensor: interface (3pin, 2.0mm terminal)
Red and black are temperature sensor wiring
Split type: standard 10m cable, with each additional 50m of cable, the signal attenuation is 6dB
Three-core wiring instructions:
Red: Transducer +
Blue: temperature sensor +
Black: Public-
Four-core wiring instructions:
Red: Transducer +
Yellow: Transducer-
Blue, black: temperature sensor