OKOndt GROUP remains a reliable provider of high-quality non-destructive testing (NDT) solutions and services tailored to the needs of various industries. In May 2025, the company took part in the Railway Interchange exhibition in the USA, where it presented UT and ET rail testing Systems designed for railway track inspection under high-speed conditions with minimal traffic disruption.

OKOndt GROUP specialists and the CEO (second from the left) at the Railway Interchange 2025 exhibition in the USA

The ETS2-73 eddy current flaw detector for rail testing , showcased at the Railway Interchange 2025 exhibition in the USA

OKOndt GROUP team at Railway Interchange 2025, USA

OKOndt GROUP booth at Railway Interchange 2025 showcasing NDT (non-destructive testing) solutions, USA

Ultrasonic probes for NDT equipment

tofd transduser

  1. Transmitter;
  2. Receiver;
  3. Wedges;
  4. Internal crack.
  1. lateral wave;
  2. back wall echo;
  3. diffracted signal from the top tip;
  4. diffracted signal from the bottom tip.
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TOFD transducers specification:

Catalog number Frequency, MHz Element dia. Object thickness
mm in mm in
TWS10-3-TOFD 3/8" 10 3 .125 10-15 .390-.600
TWS10-6-TOFD 3/8" 10 6 .250 15-35 .600-1.4
* TWS5-6-TOFD 3/8" 5 6 .250 15-50 1.4-2.0
TWS5-12-TOFD M16 5 12 .500 50-100 2.0-4.0
TWS3-12-TOFD M16 3 12 .500 100-200 4.0-8.0
TWS2.5-12-TOFD M16 2.5 12 .500 200-300 8.0-6.0
TWS2.25-12-TOFD M16 2.25 12 .500 200-300 8.0-6.0
TWS3-8-TOFD M16 3.0 8 .325 100-200 4.0-8.0
TWS2.5-8-TOFD M16 2.5 8 .325 100-200 4.0-8.0
TWS2.25-8-TOFD M16 2.25 8 .325 100-200 4.0-8.0



wedges

TOFD wedges specification:

Catalog number Refracted angleo
WS45 L-3/8"-TOFD 45
WS50 L-3/8"-TOFD 50
WS60 L-3/8"-TOFD 60
* WS70 L-3/8"-TOFD 70
WS45 L-M16-TOFD 45
WS50 L-M16-TOFD 50
WS60 L-M16-TOFD 60
WS70 L-M16-TOFD 70


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