900KHz underwater ultrasonic transducer for depth measurement


Technical parameters:
 

Items	Technical Parameters		Image
Name	900KHz ultrasonic transducer
Model	PHW-900-20B
Frequency	900KHz±5%
Minimum Parallel lmpedance	15Ω±20%
Capacitance	5000pF±20% @1KHz
Sensitivity	No load driving voltage:24V,Distance:0.3m,Echo Amplitude:1.5V
Operating Voltage	Peak Voltage<300Vpp
Operating Temperature	-40~+80ºC
Pressure	≤10Kilos or 1MPa
Angle	(Beamwidth)Half-power Beam Width@-3dB:1.5°±10%; Sharp Angle:3.6°±10%;
Housing Material	ABS
usage	Ranging, positioning
Installation Dimension	See product structure drawing for details
Protection Level	IP68
Weight	850g±5%(wire length:10m)
Wiring Instructions	(third-line) : red: transducer +, blue: temperature sensor +, black: public -;
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