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Drilling Monitor

RSM-HGT(B) Ultrasonic Drilling Monitor

Item No.: 09
Recent progress and development in foundation engineering has resulted in great strides in excavation techniques. By using artificial slurry of high density and specific gravity, deeper excavation has been made possible.


  • Hole quality testing of bored piles on railway, highway, port, high-rise building and etc.

  • Hole quality testing of branch and plate piles.

  • Trenching quality testing of the groove of diaphragm wall.


  • Intelligence

The whole testing process and probe lift system is automatically controlled. The test result is multi-mode displaying and can be printed in situ.

  • Reliable

The software system is designed on the platform of Linux. Equipped with removable lithium battery, you will not lose any test data while power interruption.

  • Precise

The RSM-HGT(B) supplies clear and precise records thanks to its unique signal processing technique that discriminates wall echoes from the noise.

  • Separate design

By separate design, the volume and weight of lifting device are greatly reduced that is very easy to carry and operate.

  • Strong adaptability

The RSM-HGT(B) is apply to almost all the hole quality testing, for the ultrasonic probe has small blind area, large power, and strong adaptability. The min detectable bore diameter is 300mm while the maximum is 4000mm, and max mud weight can be 1.3.

  • Self correcting

The device can be automatically corrected according to the pore size to ensure the test result is accurate and reliable.  

  • Varied testing results

The device can real-time output image of two profiles, that is, XX and YY 'profile deviation curves and tables. (Including depth, sonic time of each measuring point, distance between probe and hole wall, pore diameter, offset value and verticality on the position of measuring point. )

It can output three-dimensional pictures of the hole.


  • Compatible with Windows XP/Win7/Win8 operating system.

  • Can be easily imported into Word and Excel for work reports.

  • With a variety tables and report forms to meet the requirement of any report. 

  • Friendly interface and easy operation.

  • Three-dimensional model can be generated by the software.

  • It supplies fast printing, the test results can be printed directly on situ.

Sampling Interface

Analysis screen

Data table screen

3D screen

Test in situ


Main control system

Low power embedded system

Main frequency:1GHz     Memory:512M
Display12.1"high brightness TFT-LCD 1280×768
OperationTouch screen
Scanning speed ≥ 20 times per second
Frequency bandwidth1-500kHz
Accuracy of acoustic wave≤0.5%
Measuring range300~4000mm; (pore diameter)
Max measuring depth150m (Can be customized)
Max depth resolution5mm
Record modeColor image, data file
OutputOrdinary (color) printer
Date exportUSB
Positioning systemBuilt-in GPS
Angle correctionBuilt-inelectronic compass
Working temperature -20~+55ºC
Power supplyRemovable lithium battery≥8h
Host weight2.0kg (including battery)
Lifting speed0~20m/min adjustable (Fast lift while emergency)
Dimension of lifting device 850×600×600mm
Weight of lifting device30kg(Including probe)

Standard Configuration

Recorder Unit1 suit


With user's manual, software CD, Certificate and   equipment case.

Winch Unit1 suitWith cable
Ultrasonic Sensor1 pieceWith cable
USB1 piece
Port holder1 suitWith pulley

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