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Waygate Technologies Krautkramer H.M Immersion Transducers, Baker Hughes business products (formerly GE Inspection Technologies), are European immersion transducers that detect flaws in a variety of materials in water. This transducer is versatile in measuring capability and can detect small flaws in materials ranging from pipes to plates to disks. The H.M transducers have fixed cables with LEMO-1 connectors.
Please be sure to specify focal length. If needed, look under the ‘specifications’ tab to calculate your transducer’s focal length.
Applications:
Immersion Transducer Focal Lengths Equation
The following table lists the near field lengths and minimum and maximum practical focal lengths in water expressed in inches and millimeters. To find the approximate near field length in steel, divide all N values by 4.
N = (Dia.)2 x (Freq.) / (4 x Velocity)
N = Near field practical focal length
Min = Minimum practical focal length
Max = Maximum practical focal length
EUROPEAN STANDARD IMMERSION TRANSDUCER FOCAL LENGTH
| Element Diameter in mm | |||||||||
| Frequency(MHz) | 25.4 | 20.0 | 19.1 | 12.7 | 10.0 | 9.5 | 6.4 | 5.0 | |
| 1.0 | N Min Max |
109 50 75 |
67 40 50 |
61 40 50 |
28 25 25 |
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| 2.0 | N Min Max |
135 40 100 |
34 20 25 |
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| 2.25 | N Min Max |
245 50 150 |
138 40 100 |
61 25 50 |
34 20 25 |
16 13 13 |
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| 3.5 | N Min Max |
381 50 200 |
215 40 150 |
94 25 60 |
53 20 40 |
24 13 17 |
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| 4.0 | N Min Max |
270 40 200 |
67 20 50 |
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| 5.0 | N Min Max |
544 50 200 |
337 40 200 |
307 40 200 |
137 25 100 |
84 20 60 |
76 20 50 |
35 13 25 |
21 10 15 |
| 10.0 | N Min Max |
615 40 200 |
272 25 150 |
152 20 100 |
69 13 50 |
42 10 30 |
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| 15.0 | N Min Max |
406 25 150 |
228 20 150 |
104 13 60 |
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