Probe model
(dual-element) |
Frequency |
Range
(for carbon steel) |
Cable length |
Probe dimensions |
Piezoelement dimensions [3] |
mm |
in. |
mm |
in. |
mm |
in. |
m |
ft. |
|
|
|
|
For basic thickness measurement (without coating) |
10.0 MHz DE/E |
10 MHz |
0.45 – 300 mm |
0.017 – 11.81 in. |
1.2 |
3.9 |
Ø12 |
15 |
Ø0.47 |
0.59 |
6/2 |
0.23/2 |
5.0 MHz DE/E |
5 MHz |
0.8 – 500 mm |
0.031 – 19.68 in. |
1.2 |
3.9 |
Ø15 – ? |
19.5 – ? |
Ø0.59 |
0.75 |
10/2 |
0.39/2 |
2.5 MHz DE/E |
2.5 MHz |
2.5 – 1000 mm |
0.098 – 39.37 in. |
1.2 |
3.9 |
Ø19 |
21 |
Ø0.74 |
0.83 |
12/2 |
0.47/2 |
2.0 MHz DE/E |
2 MHz |
3 – 1200 mm |
0.118 – 47.24 in. |
1.2 |
3.9 |
Ø |
|
Ø |
– |
20/2 |
0.78/2 |
1.25 MHz DE/E |
1.25 MHz |
4 – 1500 mm |
0.157 – 59.05 in. |
1.2 |
3.9 |
Ø30 |
35 |
Ø1.18 |
1.37 |
20/2 |
0.78/2 |
For through coating (Echo-Echo[4]) up to 1mm of coating |
10.0 MHz DE/E-E |
10 MHz |
0.6 – 40 mm
(6 – 30 mm for Echo-Echo) |
0.023 – 1.57 in.
(0.236 – 1.18 in. for Echo-Echo) |
1.2 |
3.9 |
Ø20 |
35 |
Ø0.78 |
1.37 |
6/2 |
0.23/2 |
5.0 MHz DE/E-E |
5 MHz |
2.0 – 300 mm (3.5 – 30 mm for Echo-Echo) |
0.078 – 11.81 in.
(0.137 – 1.18 in. for Echo-Echo) |
1.2 |
3.9 |
Ø20 |
35 |
Ø0.78 |
1.37 |
10/2 |
0.39/2 |
2.5 MHz DE/E-E |
2.5 MHz |
4.0 – 200 mm (6 – 30 mm for Echo-Echo) |
0.157 – 7.87 in.
(0.236 – 1.18 in. for Echo-Echo) |
1.2 |
3.9 |
Ø20 |
35 |
Ø0.78 |
1.37 |
12/2 |
0.47/2 |
Probes for high temperature measurements |
10.0 MHz DE/E (HT) |
10 MHz |
0.45 – 300 mm |
0.017 – 11.81 in. |
1.2 |
3.9 |
Ø |
– |
Ø |
? |
6/2 |
0.23/2 |
5.0 MHz DE/E (HT) |
5 MHz |
0.8 – 300 mm |
0.031 – 19.68 in. |
1.2 |
3.9 |
Ø49 |
57 |
Ø1.92 |
2.24 |
10/2 |
0.39/2 |
2.5 MHz DE/E (HT) |
2.5 MHz |
2.5 – 1000 mm |
0.098 – 39.37 in. |
1.2 |
3.9 |
Ø |
– |
Ø |
? |
12/2 |
0.47/2 |
Probes for underwater thickness measurement |
5.0 MHz DE/E-E, underwater |
5 MHz |
2.0 – 300 mm (3.5 – 30 mm [1] through the coating) |
0.078 – 11.81 in.
(0.137 – 1.18 in. for Echo-Echo) |
10 |
32.8 |
Ø30 |
114 |
Ø1.18 |
4.48 |
10/2 |
0.39/2 |
20 |
65.8 |
30 |
98.4 |
Special probes with rectangle crystal (piezoelement) for products of complex shapes, usually turbine blades |
Probe model
(dual-element) |
Frequency |
Range
(for carbon steel) |
Cable length |
Probe dimensions |
Piezoelement dimensions [5] |
mm |
in. |
mm |
in. |
m |
ft. |
|
|
|
|
|
|
10.0 MHz DE/E (S) |
10 MHz |
0.4 – 15 mm |
0.015 – 0.59 in. |
1.2 |
3.9 |
? |
? |
? |
? |
? |
? |
(2×3)x2 |
(0.07×0.11)x2 |
EMAT transducer – alternative solution for through coating measurements up to 3mm of coating |
EMAT A1 |
3.3 MHz |
0.8 – 300 mm |
0.03 – 11.81 in. |
1.2 |
3.9 |
|
|
|
|
|
|
|
|
[4] – Minimum range in echo-echo mode depends on the quality (roughness) of the surface
[3] – 6/2 or 10/2, etc. means the diameter of the piezoelement is devided by 2 separate piezoelements.
[5] – DE/E (S) probes have rectangle-shape crystals devided by two separate rectangle crystals