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BD-GPR-200 radar

Suitable for engineering surveys, municipal pipelines, roads and bridges, tunnel detection and other fields, used to detect or identify metal or non-metal target information within a certain depth underground.


keyword

series geological radar


Classification


Product Detail


Product Use:
Suitable for engineering surveys, municipal pipelines, roads and bridges, tunnel detection, etc., used to detect or identify metal or non-metal target information within a certain depth underground. Specific classifications are as follows:
(1) Engineering Surveys: Used to identify underground anomalies such as karst, collapse, and fracture zones in the project area.
(2) Municipal Pipelines: Used to identify the distribution of underground metal or non-metal pipelines during urban construction.
(3) Roads and Bridges: Used to identify unfavorable geological bodies during the site selection process of roads or bridges.


Technical Highlights:
This acquisition system can meet the customer's customized needs for diverse center frequencies, supporting up to 8 groups of frequencies for simultaneous acquisition, i.e., multiple sets of transmitting and receiving antennas are equipped in one acquisition system. For example, a dual-frequency pipeline detection radar can be equipped with 250MHz and 700MHz antennas to obtain high-resolution shallow information and low-resolution deep information in a single acquisition.


Product Features:
(1) This product adopts an industry-leading integrated design of host and antenna, with small size, light weight, and low power consumption.
(2) Wireless connection between the host and the computer, convenient operation.
(3) Real-time data acquisition and display.
(4) Simple software interface, easy operation, quick to learn.
(5) Multiple frequency antennas are optional, with a wide range of applications.
(6) The analysis software is easy to operate and the results are accurate.
(7) High detection accuracy and accurate positioning.
(8) Built-in large-capacity battery, long battery life.
(9) Ergonomic structural design, simple, durable, and easy to operate, very suitable for outdoor mobile work environments.


Compliance Standards:
◆《Water and hydropower engineering geophysical prospecting regulations DL/T 5010-2005》
◆《Water conservancy and hydropower engineering geophysical prospecting regulations SL326-2005》
◆《Electric power engineering geophysical prospecting technical regulations DL/T 5159-2012》
◆《Underwater engineering geophysical prospecting regulations DB34/T 2209-2014》
◆《Highway cross-section flaw detection and structural layer thickness geological radar JT/T 940-2014》
◆《Urban engineering geophysical exploration standard CJJ/T 7-2017》
◆《Technical regulations for urban underground pipeline detection CJJ 61-2017》
◆《Technical regulations for radar detection of construction project quality DGJ 32-TJ79-2009》
◆《Technical regulations for advanced geological prediction of railway tunnels Q∕CR 9217-2015》
◆《Technical standard for comprehensive detection and risk assessment of urban underground diseases JGJT437-2018》
◆《Highway engineering geophysical prospecting regulations JTGT 3222—2020》

 

Configuration List:

Serial Number

Name

Quantity

Unit

Description

1

Radar Integrated Antenna

1

Set

200MHz; including packaging box, transceiver components

2

Real-time Acquisition and Analysis Software

1

Set

Unlocked

3

Dedicated Rechargeable Battery

2

Set

Can work continuously for more than 8 hours

4

Dedicated Charger

1

Set

Supports fast charging and slow charging

5

Product Manual

1

Copy

/

6

Professional Data Processing Software

1

Set

/

7

Laptop Computer/PAD

1

Set

/

8

Measuring Wheel

1

Set

/

9

Professional Cart

1

Unit

/

 

Performance Parameters:

Model

BD-GPR Series Ground Penetrating Radar

Host

Antenna Frequency

200M Hz Dual Frequency

Detection Wave Type

Radar wave, ultra-wideband stepped frequency continuous wave (SFCW); frequency range: 40 MHz-3.4 GHz (high-definition imaging can be achieved in the full depth range with a single scan without changing the antenna)

Sampling Frequency

0.1-100GHz Adjustable

Time Window Range

1ns~20000ns, continuously adjustable

Sampling points

32~32767 points/scan, optional

Scan rate

200 lines/second

A/D conversion

18bit

Continuous operating time

≥8 hours

Total power consumption

<16 W

Signal-to-noise ratio

Better than 120dB

Acquisition speed

No less than 80 km/h @10 cm lane spacing

Minimum sampling interval

<2ps

Measurement method

Three measurement methods: point measurement, distance trigger measurement, and continuous measurement

Display method

Pseudo-color image, stacked waveform, or grayscale image

Operating temperature

-30℃~+70℃

Operating voltage

10-15V DC

Wireless data transmission distance

More than 50 m

Wired communication

Ethernet, 100Mbps

Dimensions

842*642*271

Weight    Weight

≤16.5

 

Performance Parameters:

Model

BD-GPR Series Ground Penetrating Radar

Software

System parameters

Acquisition parameters: number of sampling points, sampling rate, transmission repetition frequency, number of channels per acquisition, number of averages, starting point, scan starting point, time zero point, center frequency

Wheel measurement parameters: measurement diameter, distance correction, wheel measurement spacing

Compatible formats: .dzt, .dzg, .dt, .rd3, .rad, .cor, .DT1, .HD, .iprb, .iprh, segy, and GPRD. Two-dimensional, three-dimensional, and various forms of data output can be achieved;

Detection parameters: number of stacking times, number of refresh channels, detection mode (continuous time measurement, wheel measurement, point measurement), display scale, movement step size

Display parameters

Filtering: Dewow filtering (True, False), bandpass filtering (True, False), low-pass frequency (adjustable), high-pass frequency (adjustable)

Display: multi-channel display mode (horizontal, vertical), time zero point (adjustable), whether to display markers (True, False), whether to display title (True, False), whether to display horizontal grid (True, False), whether to display vertical grid (True, False), display channel starting point (adjustable), display channel end point (adjustable), display number of points (adjustable), display starting point (adjustable), display color (4 types), relative dielectric constant (adjustable), vertical pixels (adjustable), horizontal pixels (adjustable)

Gain: SEC gain: SEC gain (True, False), initial value (adjustable), attenuation (adjustable), maximum value (adjustable)

Constant gain: SEC gain (True, False), display gain (adjustable), whether to display gain (True, False)

Coordinates: horizontal coordinates (channel number, distance), vertical coordinates (time, depth, sampling point)

Toolbar

File: Open file, Save file

Acquisition: Device IP, Connect device, Disconnect device, Acquisition, Stop

View: Image + waveform display, Image display, Waveform stacking diagram, Waveform diagram, 3D display, Amplitude enhancement, Amplitude weakening, Horizontal stretching, Horizontal compression, Vertical stretching, Vertical compression, Full screen

Processing: Channel deletion, Automatic gain, Segmented gain, Exponential gain, IIR low-pass filter, IIR bandpass filter, FIR bandpass filter, FIR low-pass filter

Report: Generate document

Imaging

Direct 3D imaging, augmented reality AR, and grid depth slicing can be performed on site. Original Raw radar display and Heatmap hotspot migration imaging are available; it has a multi-layer media definition function, providing accurate depth analysis;

 

Some application recommendations:

Antenna type

Antenna center frequency

Reachable depth

Application recommendations

Monolithic shielded antenna

1.5GHz

0.2~0.8m

Concrete, steel bar, bridge defect detection

900MHz

0.5~1.5m

Lining inspection, highway pavement inspection,

Steel bar scanning, bridge defect detection

600MHz

1.0~3.0m

400MHz

1~5 m

Engineering, tunnel lining inspection, retaining wall defect detection

200MHz

1~10m

Shallow geological hazard detection, pipeline detection, leakage detection

Unshielded antenna

100MHz

0~20m

Shallow engineering survey, advanced geological prediction,

Detection of geological hazards (karst, cavities, fractured zones)

50MHz

0~30m

Dual-frequency shielded antenna

200MHz~2GHz, any two combinations

0.1~8.0m

Municipal pipelines, geological hazards, lining inspection

Fully polarized shielded antenna

200MHz~2GHz, up to 8 channels combination

0.1~8.0m

 

Post-processing software:

Display mode: real-time color display, color/grayscale line scan, variable area/waveform display. 256 color sources can be used in linear scan mode to represent the amplitude and polarity of the signal.

The radar software package enriches the applications of the radar system. In addition to the dedicated radar data post-processing software, users can also select software modules with special functions according to their needs and process data on a PC. Modules include:

(1) Highway pavement automatic tracking software: Specifically used for highway measurement, automatically removing interference. Automatic tracking and analysis of highway structure layering, displaying pile number, layer thickness, and layer thickness deviation spreadsheet.

(2) Structural scanning toolkit: 3D depth slicing, rebar mesh perspective view, pipeline 3D positioning, cavity and crack display in buildings.

(3) Fast 3D drawing software: 2D inversion, 3D processing and display, 3D and 2D visualization imaging display of municipal facilities.

(4) Building structure analysis software: Rebar distribution depth positioning display, municipal pipeline distribution positioning.

(5) Bridge structure analysis software: Bridge rebar distribution software.

 

Engineering Cases:

Sewer pipe detection

 

Case Data:

Survey line layout

Cavity detection in a certain area of Tianjin (survey line T10 )
Cavity detection in a certain area of Tianjin (survey line T11 )
Cavity detection in a certain area of Tianjin (survey line T12 )

 

On-site photos: City sewage pipes

Data images:

Note: The red marked area is the first sewage pipe, with a burial depth of about 1.15m. The yellow and blue areas are water-filled concrete pipes, with a burial depth of about 1.89m.

 

On-site photos: Water pipes

Data images:

Note: This is a water pipe with a burial depth of about 1.4m.

 

On-site photos: Old city culvert

Data images:

Note: This culvert is an underground air-raid shelter in the old city. This passage crosses the old city building group. Careful investigation is needed before the renovation of the old city. The top of the culvert is about 0.4m from the ground.

 

On-site photos: Urban road surface void

Data images:

Note: Underground cavities in urban road surfaces are a common type of underground hazard. This cavity was detected on-site in real time and successfully verified by drilling, representing a typical example of urban road surface cavities.

By selecting the high-frequency 600M in the dual-frequency 200+600M, the depth of the hazard was detected to be around 50-60cm.

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