125KHz Piezoelectric Ultrasonic Distance Transducer for Ultrasonic Sensor

Product Description

125KHz Piezoelectric Ultrasonic Distance Transducer for Ultrasonic Sensor



Technical parameters:


Items

Technical Parameters

Image

Name

125KHz ultrasonic transducer

 

 

Model

PHA-125-02E

Frequency

125KHz±5%

Detection Distance

0.122m

Minimum Parallel lmpedance

2000Ω±20

Capacitance

700pF±20@1KHz

Sensitivity

No load driving voltage:200VppDistance0.3m

Echo Amplitude:5mV

Operating Voltage

Peak Voltage1000 Vpp

Operating Temperature

-40+80℃

Pressure

≤3Kilos or 0.3MPa

Angle

(Beamwidth)Half-power Beam Width@dB:12°±10%

Sharp Angle:29°±10%

Housing Material

POM

Installation Dimension

See product structure drawing for details

Protection Level

IP68

Weight

12g±5%(wire length20cm

Wiring Instructions

interface: red: transducer +, white: transducer -, black: shielded wire, (temperature sensor is optional)

Admittance Curve

Product Structure Diagram

 

 

 




Block diagram of ultrasonic distance 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



What Goes into the Making of a Transducer?


The main component of a depth transducer is the piezoceramic element. It is the part that converts electrical pulses into sound waves, and when the echoes return, the piezoceramic element converts the sound waves back into electrical energy. Piezoceramic elements are most often in a disk form,but they may also be in the shape of a bar or a ring. A transducer may contain one element or a series of elements linked together called an array. A transducer is made up of six separate components:




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