88KHz Ultrasonic Downhole Drilling Transducer for Detecting Sidewall Collapse

Product Description

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
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％（Length：2m）
interface	Integrated interface：Red+，White-，Black: shielded wire（ default : without temperature sensor）
Admittance Curve		Product Structure Diagram

88KHz Ultrasonic Downhole Drilling Transducer for Detecting Sidewall Collapse

Product Description

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