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TS-RD1203（A）Elastic Wave Detector for Borehole Bottom Karst Caves

    According to the principle of elastic wave reflection, the probe has a built-in high-power elastic wave excitation device and a multi-channel elastic wave detector. During the test, the probe is lowered to the bottom of the hole, and the system will automatically stimulate the elastic wave. In the process of propagation to the bottom of the hole, the elastic wave will be reflected back when encountering the karst caves, fractures, soft strata and other structures, and the reflection signal will be received by the detector. The depth position of the abnormal structure can be determined according to the intensity change of the received reflected signal and the propagation time. By adjusting the probe at different positions of the hole bottom, multi-point detection in different directions of the hole bottom can be conducted to achieve full coverage of the hole bottom detection, and the horizontal distribution and depth of the karst cave at the hole bottom can be fully and effectively detected.

  • Depth detection
  • Various holes
  • Adjusting transducer
  • Powerful software
  • Advantage
  • Details
  • Performance
  • configuration
1

A maximum depth of detection up to 10 meters, higher than the requirement as set forth in the Specifications for Geotechnical Investigation (GB50021-2009);

The maximum depth of the detectable hole bottom can reach 10m, the error is less than 5cm, and the azimuth accuracy can reach 0.1 °

2

Automatically adjust the relative height between the excitation source and the receiving transducer

It is applicable to mud holes, dry holes without water coupling and other types of holes.Wide application range and accurate detection results

3

Independently researched and developed the detection device of karst cave and underground cavity at the bottom of the hole

For the uneven hole bottom, the position of the transducer is automatically adjusted, and the coupling degree is high

 

 

 

 

4

Powerful analysis software

The analysis software has digital filtering (high pass, low pass, band-pass) and spectrum analysis
Phase analysis, reflection extraction and signal correlation are helpful to determine the location of karst cave

Main applicatio 

  • Applicable to the detection of borehole bottom karst caves of mud holes or dry holes and other pipe holes

Advantage 

  • Applicable to various dry and wet holes;
  • For the uneven hole bottoms, the automatically adjustable transducer offers a high coupling degree and good signal sending and receiving effect;
  • Unique anti-interference design, real and reliable detection signals.

Technical feature 

  • The high power high frequency acoustic wave source can excite automatically, and provided high precision and a maximum depth of detection up to 10 meters;
  • The automatically adjustable transducer offers a high coupling degree and good signal sending and receiving effect;
  • The relative height between the excitation source and the transducer can be automatically adjusted to ensure the good grounding of excitation and reception, applicable to both mud holes and dry holes without water coupling;
  • The built-in probe posture sensor can not only record the position of the detection points, but also judge the posture of the probe to ensure accurate and reliable test results;
  • The instrument adopts 24-bit high speed analog-to-digital conversion unit, guaranteeing an ultra-strong weak signal detection ability and detection accuracy;
  • The instrument is powered by DC16.8V lithium battery, offering low power consumption and able to work continuously for 10 hours on a single charge;
  • The instrument features an embedded operating system and a beautifully designed Chinese interface, easy to operate and efficient;
  • The instrument adopts the USB2.0 data interface, offering simple and convenient data transmission; The instrument has built-in 32G memory and adopts the data storage format of FAT32 , able to copy and paste the measured data files directly through USB2.0 interface under the general Windows operating system;
  • The IP67 molded instrument housing is waterproof, dustproof, safe and beautifully designed;
  • The analysis software is designed with digital filtering (high pass, low pass and band pass), spectrum analysis, phase analysis, reflection extraction, signal correlation functions to help with the determination of karst cave location and generate a report with one click.

 

 

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