45KHz Ultrasonic Transducer for Ultrasonic level meters 

Technical parameters:
 

Items	Technical Parameters		Image
Name	Ultrasonic transducer
Model	PHA-45-05T
Frequency	45KHz±1.5KHz
Detection Distance	0.3~5m
Minimum Parallel lmpedance	Ω±20%
Capacitance	pF±20% @1KHz
Sensitivity
Operating Voltage	Peak Voltage<1500VPP
Operating Temperature	-40~+80ºC
Pressure	≤3Kilos or  0.3MPa
Angle	(Beamwidth) Half-power angle@-3dB:21°±2, Sharp Angle:47°±4
Housing Material	Weak acid weak base environment can be used (POM)
Usage	Ultrasonic level gauge,Monitoring,Crashproof,
Installation Dimension	The lifting thread:M27*2
Protection Level	IP68
Weight	80g±5%
Wiring Instructions	Integrated interface: red: transducer +, yellow: 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