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  • A1040 MIRA  low frequency ultrasonic tomography system
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  • A1040 MIRA low frequency ultrasonic tomography system


    A portable handheld ultrasonic tomograph is designed for imaging of the internal structure of concrete at one-sided access.

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A portable handheld ultrasonic tomograph is designed for imaging of the internal structure of concrete at one-sided access.

A portable handheld ultrasonic tomograph is designed for imaging of the internal structure of concrete at one-sided access.
The tomograph represents fully-autonomous measurement unit for collection and tomographic processing of the data obtained. Measurement unit contains a matrix antenna array from 48 (12 blocks, each containing 4 elements) law-frequency broad banded transducers of shear waves with dry-point-contact and ceramic wear resistant tips. Hence they can work with rough surfaces for the long time. Each transducer is equipped with an independent spring suspension, thus allowing inspection on the uneven surfaces. Nominal frequency of the array is 50 kHz.
Instrument’s interface allows working with laser beams which are projected on a surface of the testing object. Hence the operator can correctly maintain a shift step of the antenna array during a complete technical diagnostics of the testing object.
Handheld light-weight body and a repositionable handle provide convenient working with the instrument on the horizontal, vertical and roof surfaces. A reference scale on the lower part of the instrument’s body is designed for convenient localization of the defects relative to the antenna device.
Large and bright TFT display and a keyboard allow easy adjustment of the instrument to the testing object, selection of the required operation modes and conduct an inspection, watching the results obtained, which allows their initial analysis.
An internal rechargeable battery provides operation of the instrument during 5 hours. Increased charge-discharge cycle enhances reliability of the tomograph for long-term application. Besides, the tomograph can be powered directly from the AC mains.
The instrument allows data transfer to the external PC for advanced processing by means of the dedicated software
Inspection is carried out as step-by-step sounding of the testing object with data combining and volume reconstruction over the whole scanned surface of the testing object.
Inspection of concrete constructions up to 2500 mm thickness for the purpose of evaluation of consistency of the construction.
Inspection of reinforced concrete constructions up to 800 mm thickness for the purpose of evaluation of consistency of the construction.
Search for foreign inclusions, cavities, voids, delaminations, leaks of filling and cracks in the concrete objects, reinforced concrete objects and natural stone.
Inspection of constructions made of marble and granite up to 2 000 mm thickness.
Search for plastic and metal pipes of a diameter more than 10 mm in reinforced concrete.
Inspection of the internal structure of carbon rods of a diameter more than 900 mm.
Evaluation of condition of the channels with stressed reinforcement in reinforced concrete bridges.
Inspection of understructures, columns, overhead covers in cast-in-place constructions to detect voids and leaks of filling.
Search for voids and cavities back of liner plates of underground and railway tunnels.
Inspection of refractory blocks of the glass blowing furnace.
Estimation of the thickness of the concrete cover and depth of coverage reinforcement.
Thickness measurement of the testing object at one-sided access.
Detailed registration of the results obtained.
  Scanning device                                                          built-in matrix antenna array
  Operating frequency                                                   25 – 85 kHz
  Number of transducers in the antenna array              48

  Type of transducers used in the antenna array           low-frequency broadband
transversal with dry point contact
and ceramic wear-proof tips

Velocity range                                                             from 1 000 to 4 000 m/s
Maximum view depth in concrete                               
2500 mm
Thickness measuring range                                        50 – 600 mm

Maximum error (X – thickness)                                   ±(0,05∙Х+10) mm

Minimal size of a located reflector                              a sphere 20 mm in diameter,at least 200 long at the depth
                                                                                   from 50 to 400 mm

Display type                                                                5,7'' TFT, colour

Embedded memory                                                    flash 7Gb

Power                                                                         built-in battery

Voltage                                                                       11,2 V

Operating time (battery)                                              5 h

PC connection                                                            USB

Operation temperature range                                     from -10 to +50C

Weight                                                                        4,5 kg

Size, not more than without handles                           370 х 150 х 145 mm

with handles positioned horizontally                           470 х 150 х 170 mm

with handles positioned vertically                                370 х 210 х 170 mm

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