Ultrasonic Flaw Detector UD3701



The Ultrasonic Flaw Detector NOVOTEST UD3701 is designed to detect internal defects, such as discontinuities and heterogeneities of materials in products and welds, determine coordinates and evaluate defect parameters, measure thickness and the velocity of propagation and attenuation of ultrasonic waves in the materials (metals, plastics, glass and etc.), the search for places of corrosion, cracks, internal delamination and other defects.

Ultrasonic Flaw Detector NOVOTEST UD3701 is a universal, powerful, functional, ergonomic and reliable device for solving tasks of ultrasonic flaw detection both in the laboratory and in the field.


The device is ideally suited for performing ultrasound diagnostics in laboratory and workshop conditions, however, if necessary, it can be used in the field. To do this, we recommend to use of a special cover that protects the device from dirt and moisture, and also allows the operator to completely free his hands and easily testing of various products directly at the facility.


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 125 dB
Averaging over the quantity of starts from 1 to 16
Range of variation of temporal sensitivity adjustment (TVG) 40 dB
Number of control points TVG 16
Duration of the excitation pulse to the load from 0,0 to 0,5 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
Detection of signals positive half-wave, radio mode
Measurement units
  • mm
  • μs (or inch by request)
Operating modes
  • Thickness gauge
  • Flaw detector:

– Basic
– AWS (by request)

Menu language
  • English
  • Russian
  • Turkish (by request)
  • Japanese (by request)

*additional languages available by request

  • EN 12668
  • ASTM E1324
  • EN 55011
  • EN61000-6-2:2001
  • EN 61010-1:2014 (EN 61010-1:2010)
  • EN 60529:2014
  • EN ISO 16810:2016
  • SOU NNEC 027:2014
  • SOU NNEC 032:2014
  • SOU NNEC 038:2017
Dimensions (W*H*L) 140 mm x 210 mm x 55 mm
Weight, not more 1,5 kg
Package Weight, not more – 4,5kg
Dimensions – 40*25*9cm


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