400KHz piezoelectric ultrasonic transducer for ultrasonic flowmeter



Technical parameters:
 
 
    

Items	Technical Parameters		Image
Name	400KHz underwater ultrasonic transducer
Model	PHW-400-E
Frequency	400KHz±5%
Detection Distance	0.3~40m
Minimum Parallel lmpedance	280Ω±20%
Capacitance	2100pF±20% @1KHz
Sensitivity	Driving Voltage:24Vpp,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:5.0°±1, Sharp Angle:12°±2
Housing Material	POM
Usage	ultrasonic flowmeter,submarine range finder
Installation Dimension	See the product structure drawing
Protection Level	IP68
Weight	115g±5%(Length:2m)
Wiring Instructions	Red+,White-,Black: shielded wire; (without temperature sensor by default)
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