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200Khz-75Khz Dual Frequency Underwater Ultrasonic Transducer for Ultrasonic Flowmeter

Application: Ultrasonic flowmeter,submarine range finder
Availability:
Quantity:
  • PHW-75/200-E

  • Piezohannas

  • PHW-75/200-E

 200Khz-75Khz Dual Frequency Underwater Ultrasonic Transducer for Ultrasonic Flowmeter



Technical Parameters :


Items

Technical Parameters

Image

Name

200K-75KHz underwater sound transducer

 

 3FB8A6F31FC14A795D3AB091BE40B564

Model

PHW-75/200-E

Frequency

200KHz±5KHz/750KHZ±3KHz

Detection Distance

200KHz   0.6120m

75KHz   1.8300m

Minimum Parallel lmpedance

1500Ω±20

Capacitance

1000pF±20@1KHz

Sensitivity

Frequency:75KHZTransmitting voltage:500Vpp

Distance:0.8mEcho Amplitude:800 mV

Frequency:200KHZTransmitting voltage:500Vpp

Distance:0.8mEcho Amplitude:4.4 V

Operating Voltage

Peak Voltage1500VPP

Operating Temperature

-40+80℃

Pressure

≤3Kilos or 0.3MPa

Angle

(Beamwidth)Half-power Beam Width@-3dB:10.5°±1,

Sharp Angle:24°±3(200KHZ

(Beamwidth)Half-power Beam Width@-3dB:27°±2,

Sharp Angle:67°±4(75KHZ)

Housing Material

POM

Usage

Ultrasonic flowmeter,submarine range finder

Installation Dimension

Checking product structure diagram below

Protection Level

IP68

Weight

137g±5%(Length2M

Wiring Instructions

   Red:transducer+White:transducer-,Black: shielded wire ( temperature sensor is optional )

Admittance Curve

Product Structure Diagram

3.png 4.png


 

Ultrasonic Flowmeter Application:


Ultrasonic water flow meters measure the speed of fluid passing through the pipe using ultrasound to measure the volumetric flow. In a transit-time ultrasonic liquid flow meter, an ultrasonic signal is transmitted in the direction of the flowing fluid downstream, and then another signal is transmitted against the flowing fluid upstream. In its most basic form, the time for the sonic pulse to travel downstream is compared to the time for the pulse to travel upstream. Using this differential time, the velocity of the following fluid is calculated. Then the meter calculates the volumetric flow rate in the pipe using this fluid velocity. In addition, BTU energy measurement can be derived from the volumetric flow rate and the temperature difference between the hot and cold legs. Clamp-on ultrasonic meters can measure water from outside of the pipe by shooting pulses of sound through the pipe walls, thus having application flexibility and making them suitable for water flow measurements in large pipes.

 


 



 



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