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88KHz Ultrasonic Downhole Drilling Transducer for Detecting Sidewall Collapse

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  • PHW-88K-200AE
  • Piezohannas
  • PHW-88K-200AE

88KHz Ultrasonic Downhole Drilling Transducer for Detecting Sidewall Collapse

 

 1. Introduction

 

Downhole drilling transducer (detecting sidewall collapse):

       During building engineering construction, after excavating the pile foundation, it is necessary to fill the mud with a density of 1.3~1.4, and use ultrasonic waves to detect whether the side wall collapses. In this way, the ultrasonic energy is required to be sufficiently large, and at the same time, it has a strong penetrating power and a small dead zone.so we use 32 small piezo ceramic cylinders to form a transducer array with a frequency of 90KHz. The sensitivity is three times that of a single piezo ceramic and the blind area is about 0.5m.



2.Technical parameters:

 

 

Items

Technical Parameters

Image

Name

88KHz Ultrasonic transducer

 

 

[RFN__`LDGI4W{Q%ZBA)$XW 

 

Model

PHW-88K-200AE

Frequency

88KHz±5%

Detection Distance

0.5~200m

Minimum

Parallel lmpedance

150Ω±20

Capacitance

2000pF±20@1KHz

 

Sensitivity

No load driving voltage:500Vpp,distance 0.7m

Echo amplitude: 5.0V

 

Operating

Voltage

peak voltage<1000Vpp

Operating

Temperature

-40+80℃

Pressure

≤10 Kilos or 1MPa

 

Angle

(Beamwidth) Half-power Beam Width@-3dB:18°±2;Sharp Angle:44°±4

Housing Material

POM

 

Usage

Downhole drilling transducer(detecting sidewall collapse)

 

Installation

Dimension

See the product structure drawing

Protection Level

IP68

Weight

290g±5%(Length2m

interface

Integrated interfaceRed+White-Black: shielded wire default : without temperature sensor

Admittance Curve

Product Structure Diagram

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Piezo Hannas (WuHan) Tech Co,.Ltd  is a professional piezoelectric ceramics and ultrasonic transducer manufacturer, dedicated to ultrasonic technology and industrial applications.                                    
 

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