33KHz underwater ultrasonic transducer for 500m depth measurement


Technical parameters:
 

Items	Technical Parameters		Image
Name	33KHz underwater ultrasonic transducer
Model	PHW-33
Frequency	33KHz±3KHz
Detection Distance	3 ~ 500m
Minimum Parallel lmpedance	300Ω±20%
Capacitance	4500pF±20% @1KHz
Sensitivity	Driving voltage:24 Vpp,Distance:0.3m, Echo Amplitude:500 mV
Operating Voltage	Peak Voltage<700VPP
Operating Temperature	-40~+80ºC
Pressure	≤3Kilos or 0.3MPa
Angle	Beamwidth)Half-power Beam Width@-3dB:38°±3, Sharp Angle:104°±4
Housing Material	POM
Usage	Ultrasonic flowmeter,submarine range finder
Installation Dimension	Checking product structure diagram below
Protection Level	IP68
Weight	370g±5%(Length:2m)
Wiring Instructions	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