OKOndt GROUP goes on operating for your non-destructive testing needs. Our team works for you to offer the best NDT solutions of top quality, and impeccable services. In September, the group of our experts attended InnoTrans 2024 and could showcase our latest developments to the visitors, as well as discuss current NDT issues and future partnership

Ultrasonic probes for NDT equipment

Ultrasonic contact angle-beam single crystal small-sized probes

Ultrasonic contact angle-beam single crystal small-sized probes

Designation Testing range by SО-1 block Probe angle by SО-2 block X-value, up to Effective frequency Signal/noise ratio, no worse than Overall dimensions, up to
mm degr. mm MHz dB mm
P121-1,25-40-М-003 5-50 40±2 12 1,25±0,13 16 40 х 23 х 30
P121-1,25-45-М-003 5-50 45±2 15 1,25±0,13 16 40 х 23 х 30
P121-1,25-50-М-003 5-50 50±2 15 1,25±0,13 16 40 х 23 х 30
P121-1,25-60-М-003 5-50 60±2 15 1,25±0,13 16 40 х 23 х 30

Designation Testing range by SО-1 block Probe angle by SО-2 block X-value, up to Effective frequency Signal/noise ratio, no worse than Overall dimensions, up to
mm degr. mm MHz dB mm
P121-1,8-40-М-003 5-50 40±2 10 1,8±0,18 16 40 х 23 х 30
P121-1,8-45-М-003 5-50 45±2 12 1,8±0,18 16 40 х 23 х 30
P121-1,8-50-М-003 5-50 50±2 12 1,8±0,18 16 40 х 23 х 30
P121-1,8-60-М-003 5-50 60±2 14 1,8±0,18 16 40 х 23 х 30

Designation Testing range by SО-1 block Probe angle by SО-2 block X-value, up to Effective frequency Signal/noise ratio, no worse than Overall dimensions, up to
mm degr. mm MHz dB mm
P121-2,5-40-М-003 5-50 40±2 10 2,5±0,25 16 40 х 23 х 30
P121-2,5-45-М-003 5-50 45±2 10 2,5±0,25 16 40 х 23 х 30
P121-2,5-50-М-003 5-50 50±2 12 2,5±0,25 16 40 х 23 х 30
P121-2,5-60-М-003 5-45 60±2 12 2,5±0,25 16 40 х 23 х 30
P121-2,5-65-М-003 5-45 65±2 13 2,5±0,25 16 40 х 23 х 30
P121-2,5-68-М-003 5-40 68±2 13 2,5±0,25 16 40 х 23 х 30
P121-2,5-70-М-003 5-40 70±2 14 2,5±0,25 16 40 х 23 х 30

Designation Testing range by SО-1 block Probe angle by SО-2 block X-value, up to Effective frequency Signal/noise ratio, no worse than Overall dimensions, up to
mm degr. mm MHz dB mm
P121-5-40-М-003 5-30 40±2 6 5±0,5 16 25 х 20 х 20
P121-5-45-М-003 5-30 45±2 6 5±0,5 16 25 х 20 х 20
P121-5-50-М-003 5-30 50±2 7 5±0,5 16 25 х 20 х 20
P121-5-60-М-003 5-20 60±2 8 5±0,5 16 25 х 20 х 20
P121-5-65-М-003 5-20 65±2 8 5±0,5 16 25 х 20 х 20
P121-5-68-М-003 5-15 68±2 8 5±0,5 16 25 х 20 х 20
P121-5-70-М-003 5-15 70±2 8 5±0,5 16 25 х 20 х 20
P121-5-73-М-003 5-15 73±2 9 5±0,5 16 25 х 20 х 20

Designation Testing range by SО-1 block Probe angle by SО-2 block X-value, up to Effective frequency Signal/noise ratio, no worse than Overall dimensions, up to
mm degr. mm MHz dB mm
P121-5-50-ММ-003 5-25 50±1 6 5±0,5 16 20 х 12 х 17
P121-5-65-ММ-003 5-20 65±2 6 5±0,5 16 20 х 12 х 17
P121-5-70-ММ-003 5-15 70±2 7 5±0,5 16 20 х 12 х 17

Designation Testing range by MD2-0 block Probe angle by SО-2 block X-value, up to Effective frequency Signal/noise ratio, no worse than Overall dimensions, up to
mm degr. mm MHz dB mm
P121-10-65-М-003 0.7-25* 65±2 6 10±1 16 20 х 12 х 17
P121-10-70-М-003 0.7-20* 70±2 6 10±1 16 20 х 12 х 17

• operating temperatures range is from minus 10 to plus 50 °С;

• "M"- smallsized, "MM"- miniature;

* on MD2-0-1 sample

Contact angle-beam single crystal surface wave probes

Designation Effective frequency Overall dimensions, up to
MHz mm
P121-1,25-90-М-003 1,25±0,13 40 х 23 х 30
P121-1,8-90-М-003 1,8±0,18 40 х 23 х 30
P121-2,5-90-М-003 2,5±0,25 40 х 23 х 30
P121-5-90-М-003 5±0,5 25 х 20 х 20

• operating temperatures range is from minus 10 to plus 50 °С;

Ultrasonic contact angle-beam single crystal probes for ultrasonic testing of small-diameter pipes

Designation Wedge angle Testing range Effective frequency Pipes diameters (хх) Pipes diameters (хх) Overall dimensions
degr. mm MHz mm dB mm
P121-5-40-dхх-003 40 9…14 5±0,5 25; 28; 30; 32; 36;
38; 42; 45; 48;50;
57; 60; 76; 83; 89;
102; 108; 114;
133; 159; 219
16 25 х 20 х 20
P121-5-51-dхх-003 51 9…12
P121-5-53-dхх-003 53 6...9
P121-5-55-dхх-003 55 3.5...6
P121-5-55-dхх-003* 58 4...6.5

* - is intended for welds from austenitic steel

Special ultrasonic contact assembled probes for pipe bends testing

Assembled probe Probe Wedge
Designation Resonator designation Effective frequency Crystal diameter Wedge angle (хх) Pipes diameters (yy)
MHz mm degr. mm
P121-2,5-хх-dyy-Р-003* P111-2,5-P12-R-003 2,5±0,25 12 30, 40 25; 28; 30; 32; 36; 38; 42; 45; 48; 50; 57; 60; 76; 83; 89; 102; 108; 114; 133; 159; 219; 273; 325; 426
P121-5-хх-dyy-Р-003* P111-5-P8-R-003 5±0,5 8

* These probes can be delivered at extra cost.

- operating temperatures range is from minus 10 to plus 50 °С.

Special ultrasonic contact angle-beam assembled probes

Assembled probe Probe
Designation Testing range by SО-1 block Probe angle by SО-2 block Resonator designation Effective frequency Crystal diameter
mm degr. MHz mm
P121-2,5-40-R-003* 5-50 40±2 P111-2,5-P12-R-003 2,5±0,25 12
P121-2,5-45-R-003* 5-50 45±2
P121-2,5-50-R-003* 5-50 50±2
P121-2,5-60-R-003* 5-45 60±2
P121-2,5-65-R-003* 5-45 65±2
P121-2,5-70-R-003* 5-40 70±2

* These probes can be delivered at extra cost.

- operating temperatures range is from minus 10 to plus 50 °С.