- Transmitter;
- Receiver;
- Wedges;
- Internal crack.
- lateral wave;
- back wall echo;
- diffracted signal from the top tip;
- diffracted signal from the bottom tip.
TOFD transducers specification:
| Catalog number | Frequency, MHz | Element dia. | Object thickness | A, | B, | C, | |||||
| mm | in | mm | in | mm | in | mm | in | mm | in | ||
| TWS10-3-TOFD 3/8" | 10 | 3 | .125 | 10-15 | .390-.600 | 10 | .375 | 6.5 | .256 | 28 | 1.1 |
| TWS10-6-TOFD 3/8" | 10 | 6 | .250 | 15-35 | .600-1.4 | 10 | .375 | 6.5 | .256 | 28 | 1.1 |
| * TWS5-6-TOFD 3/8" | 5 | 6 | .250 | 15-50 | 1.4-2.0 | 10 | .375 | 6.5 | .256 | 28 | 1.1 |
| TWS5-12-TOFD M16 | 5 | 12 | .500 | 50-100 | 2.0-4.0 | 16 | .625 | 8 | .315 | 33 | 1.3 |
| TWS2.5-12-TOFD M16 | 2.5 | 12 | .500 | 200-300 | 8.0-6.0 | 16 | .625 | 8 | .315 | 33 | 1.3 |
| TWS2.25-12-TOFD M16 | 2.25 | 12 | .500 | 200-300 | 8.0-6.0 | 16 | .625 | 8 | .315 | 33 | 1.3 |
| TWS2.5-8-TOFD M16 | 2.5 | 8 | .325 | 100-200 | 4.0-8.0 | 16 | .625 | 8 | .315 | 33 | 1.3 |
| TWS2.25-8-TOFD M16 | 2.25 | 8 | .325 | 100-200 | 4.0-8.0 | 16 | .625 | 8 | .315 | 33 | 1.3 |
TOFD wedges specification:
| Catalog number | Refracted angleo | A, | B, | C, | |||
| mm | in | mm | in | mm | in | ||
| WS45 L-3/8"-TOFD | 45 | 15 | .570 | 32 | 1.26 | 25 | .984 |
| WS50 L-3/8"-TOFD | 50 | 15 | .570 | 32 | 1.26 | 25 | .984 |
| WS60 L-3/8"-TOFD | 60 | 15 | .570 | 32 | 1.26 | 25 | .984 |
| * WS70 L-3/8"-TOFD | 70 | 15 | .570 | 32 | 1.26 | 25 | .984 |
| WS45 L-M16-TOFD | 45 | 15 | .570 | 32 | 1.26 | 25 | .984 |
| WS50 L-M16-TOFD | 50 | 15 | .570 | 32 | 1.26 | 25 | .984 |
| WS60 L-M16-TOFD | 60 | 15 | .570 | 32 | 1.26 | 25 | .984 |
| WS70 L-M16-TOFD | 70 | 15 | .570 | 32 | 1.26 | 25 | .984 |
