Ultrasonic Flaw Detector UD2303

Ultrasonic flaw detector UD2303 is a compact version of an industrial flaw detector with a set of functions and modes that are designed to simplify the routine process of product quality control as much as possible. Shock-resistant aluminum alloy case with a large battery will provide a long service life of the device and ability to be used in adverse conditions.



Device is designed to control the quality of products made of various materials, including: metal, plastic, glass, composite materials and etc. Device function are provides checking the continuity of materials and identifying places of inconsistency, search for hidden corrosion, cracks and other internal defects by above listed materials.

Embrace even more functionality Ultrasonic Flaw Detector provides thickness measuring of various products, structures and are able to performs inspection of welded seams, which would be useful both at the intermediate stages of production and the incoming inspection of semi-finished products. Keeping in mind small size and feature set of NOVOTEST UD2303, it is superior to its larger counterparts.


Operating frequency range from 1 to 10,0 MHz
Range of measured time intervals (duration of scanning) from 6 to 1000 µs
Velocity range 1000 – 9999 m / s
Error of measurement of time intervals not exceed ± 0,025 µs
Maximum permissible error of measurement of the amplitudes of the signals at the receiver input in the range from 0 to 110 dB not exceed ± 0,5 dB
Testing gain range 126 dB
Averaging over the quantity of starts from 1 to 128
Range of variation of temporal sensitivity adjustment (TVG) 1-40 dB
Number of control points TVG 16
Duration of the excitation pulse to the load from 12.5 to 0,5 µs

Scan range
from 8 up to 250 μs (500 and more by special order)
from 0,48mm up to 1500mm (in Steel V=6000m/s) (3000m and more by special order)
Sweep delay range from 0 up to 1000 μs
Measurement range of time intervals from 8 up to 250 μs (500 and more by special order)
Setting the delay in the prism of the transducer from 0 up to 15 μs
Deviation of the amplitudes of input signals in the range from 10 to 100% of the screen height not more than 1 dB
Setting a delay in the prism of the probe from 0 to 15 µs
Automatic signalling of defects (ASD) Two-zone
Measurement units
  • mm
  • inch
  • μs
Detection of signals positive half-wave, radio mode
Operating modes DAC, TVG, DGS, AWS, AFS, ASD
Menu language English, Russian
Dimensions (W*H*L) 165x90x50 mm
Power Supply Built-in Li-ion Battery
Time of continuous work, not less than, h 8
Operating temperature range for the electronic unit, ° C -20 to +40
Air moisture, no more 98 %, at 35 °С
Weight, not more 500 g


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