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FS-Reflexion - Seismic detector

With the geophysical measurement methods of seismics underground structures like cavities can be explored. During that active procedure vibrations will be generated and transmitted into the ground. Resulting from that process reflexions, travel time and vibrations can be recorded. According to the soil conditions the measured data gives clues to hidden objects.

FS-Reflexion is a geophysical measuring instrument to locate subterranean voids like caves, bunkers, tunnels or basement vaults. FS-Reflexion works with a seismic vibration system. A transmitter generates vibrations going into the ground. Depending on the type of soil they will be transmitted or damped. If a void exists it will start to resonate in its own frequency and can be detected by a seismic vibration transducer. FS-Reflexion can be used all around the world, no matter if there is stony ground, loam or clay soil, in the mountains or in flat country.

FS-Reflexion includes different operating modes to record and analyse data:

  • Check Mode to recognize seismic disturbances
  • Scan Mode to record measurement values for a graphical representation
  • Frequency-energy-graph to analyse seismic activities
  • Data transfer to computer for graphical representation in 3D
FS-Reflexion, seismic instrument to detect cavities
FS-Reflexion, seismic instrument to detect cavities

Tested and certified by one of theleading technical experts in GermanyView Certificate
Tested and certified by one of the
leading technical experts in Germany

View Certificate

Data transmission via USB
Data transmission via USB

Compliance with the CE policies
Compliance with the CE policies

The recorded measurement values can be analysed via the frequency-energy-graph. In this diagram a high amplitude at specific frequencies indicates existing subterranean voids. Additionally it is possible to summarize all measurement values to a 3D representation, so that they can be analysed in the professional Visualizer 3D software. In that way voids cannot only be represented visually, but also their size can be determined.

FS-Reflexion, seismic instrument to detect cavities
Representation of measured values in the frequency-energy-chart
FS-Reflexion, seismic instrument to detect cavities
Representation of a cavity in Visualizer 3D

The following technical indications are medial values. During operation small variations are quite possible.

Control unit with seismic vibration transducer

Dimensions (W x D x H)   22 x 30 x 22 cm
Weight   about 3 kg
Voltage   12 VDC ±10 %
Operating Temperature   0 °C – 45 °C
Storage Temperature   -20 °C – 60 °C
Air Humidity   5 % – 75 %
Waterproof   No
Power consumption (typical)   approx. 12 W
Effective range   4 – 22 Hz (via vibration transducer)
Processor   AMD LX800, 500 MHz
Memory   256 MB RAM, 128 MB data
Vibration transducer   seismic, piezo system

Transmitter

Voltage   12 VDC, internal batteries
Output power (maximal)   150 W
Operating Temperature   0 °C – 45 °C
Frequency (internal control)   4 – 22 Hz

Data transmission (USB)

Technology   USB
Maximum Transfer Rate   19200 Baud

Data transmission (Bluetooth)

Technology   Bluetooth
Frequency   2.4 – 2.4835 GHz
Maximum Transfer Rate   1 Mbps
Receiving Sensitivity   -85 dBm
Maximum Range   approx. 100 m

Computer, minimum requirements

CD-ROM drive   minimum 4x
Interface (Data transmission)   USB
Free disk space   minimum 50 MB
Working memory (RAM)   minimum 256 MB
Graphic card   minimum 128 MB, OpenGL-compatible
Processor   minimum 1.2 GHz
Operating system   Windows XP, Windows Vista, Windows 7, Windows 8


In the following table you can see the complete delivery contents and all optional accessories.
The used symbols have the following signification:

x times includedx   = x times included   not included   = not included   optional available, only for additional charge   = optional available, only for additional charge

Description
3D software ( "Visualizer 3D" ) with data cable Yes1
Charger for transmitter Yes1
Control unit Yes1
Platy positioner Yes1
Power Pack incl. charger and travel adapter Yes1
Spiky positioner Yes1
Transmitter Yes1
User's manual Yes1
Vibration transducer Yes1
Waterproof and shock resistant Peli case Yes1

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