Cobra Immersion transducers for applications that demand excellent performance. They are available with Flat focus, Spherical focus, and Cylindrical focus.



Cobra Immersion Transducers are ideal for testing of critical components where the test parts are partially or wholly immersed in water.
Common Applications Include:

Standard Case
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| f (MHz) | Element Diameter | General Purpose | High Resolution | High Gain |
| 0.50 | 0.375" (9.5 mm) | UT-COBR-i2G00506 | n/a | UT-COBR-i2P00506 |
| 0.500" (12.7 mm) | UT-COBR-i2G00508 | n/a | UT-COBR-i2P00508 | |
| 1.00 | 0.250" (6.4 mm) | UT-COBR-i2G01004 | n/a | UT-COBR-i2P01004 |
| 0.375" (9.5 mm) | UT-COBR-i2G01006 | UT-COBR-i2R01006 | UT-COBR-i2P01006 | |
| 0.500" (12.7 mm) | UT-COBR-i2G01008 | UT-COBR-i2R01008 | UT-COBR-i2P01008 | |
| 2.25 | 0.250" (6.4 mm) | UT-COBR-i2G02004 | UT-COBR-i2R02004 | UT-COBR-i2P02004 |
| 0.375" (9.5 mm) | UT-COBR-i2G02006 | UT-COBR-i2R02006 | UT-COBR-i2P02006 | |
| 0.500" (12.7 mm) | UT-COBR-i2G02008 | UT-COBR-i2R02008 | UT-COBR-i2P02008 | |
| 3.50 | 0.250" (6.4 mm) | UT-COBR-i2G03004 | UT-COBR-i2R03004 | UT-COBR-i2P03004 |
| 0.375" (9.5 mm) | UT-COBR-i2G03006 | UT-COBR-i2R03006 | UT-COBR-i2P03006 | |
| 0.500" (12.7 mm) | UT-COBR-i2G03008 | UT-COBR-i2R03008 | UT-COBR-i2P03008 | |
| 5.00 | 0.250" (6.4 mm) | UT-COBR-i2G05004 | UT-COBR-i2R05004 | UT-COBR-i2P05004 |
| 0.375" (9.5 mm) | UT-COBR-i2G05006 | UT-COBR-i2R05006 | UT-COBR-i2P05006 | |
| 0.500" (12.7 mm) | UT-COBR-i2G05008 | UT-COBR-i2R05008 | UT-COBR-i2P05008 | |
| 7.50 | 0.250" (6.4 mm) | UT-COBR-i2G07004 | UT-COBR-i2R07004 | UT-COBR-i2P07004 |
| 0.375" (9.5 mm) | UT-COBR-i2G07006 | UT-COBR-i2R07006 | UT-COBR-i2P07006 | |
| 0.500" (12.7 mm) | UT-COBR-i2G07008 | UT-COBR-i2R07008 | UT-COBR-i2P07008 | |
| 10.00 | 0.250" (6.4 mm) | UT-COBR-i2G10004 | UT-COBR-i2R10004 | UT-COBR-i2P10004 |
| 0.375" (9.5 mm) | UT-COBR-i2G10006 | UT-COBR-i2R10006 | UT-COBR-i2P10006 | |
| 0.500" (12.7 mm) | UT-COBR-i2G10008 | UT-COBR-i2R10008 | UT-COBR-i2P10008 | |
| 15.00 | 0.250" (6.4 mm) | UT-COBR-i2G15004 | UT-COBR-i2R15004 | n/a |
| 0.375" (9.5 mm) | UT-COBR-i2G15006 | UT-COBR-i2R15006 | n/a | |
| 0.500" (12.7 mm) | UT-COBR-i2G10008 | n/a | n/a | |
| 20.00 | 0.250" (6.4 mm) | UT-COBR-i2G20004 | UT-COBR-i2R20004 | n/a |
| 0.375" (9.5 mm) | UT-COBR-i2G20006 | n/a | n/a | |
| 25.00 | 0.250" (6.4 mm) | UT-COBR-i2G25004 | UT-COBR-i2R25004 | n/a |
Large Diameter
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| f (MHz) | Element Diameter | General Purpose | High Resolution | High Gain |
| 0.50 | 0.750" (19.1 mm) | UT-COBR-i3G00512 | UT-COBR-i3R00512 | UT-COBR-i3P00512 |
| 1.000" (25.4 mm) | UT-COBR-i4G00516 | UT-COBR-i4R00516 | UT-COBR-i4P00516 | |
| 1.125" (28.6 mm) | UT-COBR-i4G00518 | UT-COBR-i4R00518 | UT-COBR-i4P00518 | |
| 1.00 | 0.750" (19.1 mm) | UT-COBR-i3G01012 | UT-COBR-i3R01012 | UT-COBR-i3P01012 |
| 1.000" (25.4 mm) | UT-COBR-i4G01016 | UT-COBR-i4R01016 | UT-COBR-i4P01016 | |
| 1.125" (28.6 mm) | UT-COBR-i4G01018 | UT-COBR-i4R01018 | UT-COBR-i4P01018 | |
| 2.25 | 0.750" (19.1 mm) | UT-COBR-i3G02012 | UT-COBR-i3R02012 | UT-COBR-i3P02012 |
| 1.000" (25.4 mm) | UT-COBR-i4G02016 | UT-COBR-i4R02016 | UT-COBR-i4P02016 | |
| 1.125" (28.6 mm) | UT-COBR-i4G02018 | UT-COBR-i4R02018 | UT-COBR-i4P02018 | |
| 3.50 | 0.750" (19.1 mm) | UT-COBR-i3G03012 | UT-COBR-i3R03012 | UT-COBR-i3P03012 |
| 1.000" (25.4 mm) | UT-COBR-i4G03016 | UT-COBR-i4R03016 | UT-COBR-i4P03016 | |
| 1.125" (28.6 mm) | UT-COBR-i4G03018 | n/a | UT-COBR-i4P03018 | |
| 5.00 | 0.750" (19.1 mm) | UT-COBR-i3G05012 | UT-COBR-i3R05012 | UT-COBR-i3P05012 |
| 1.000" (25.4 mm) | UT-COBR-i4G05016 | UT-COBR-i4R05016 | UT-COBR-i4P05016 |
Right Angle
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| f (MHz) | Element Diameter | General Purpose | High Resolution | High Gain |
| 0.50 | 0.375" (9.5 mm) | UT-COBR-i5G00506 | n/a | UT-COBR-i5P00506 |
| 0.500" (12.7 mm) | UT-COBR-i5G00508 | n/a | UT-COBR-i5P00508 | |
| 1.00 | 0.250" (6.4 mm) | UT-COBR-i5G01004 | n/a | UT-COBR-i5P01004 |
| 0.375" (9.5 mm) | UT-COBR-i5G01006 | UT-COBR-i5R01006 | UT-COBR-i5P01006 | |
| 0.500" (12.7 mm) | UT-COBR-i5G01008 | UT-COBR-i5R01008 | UT-COBR-i5P01008 | |
| 2.25 | 0.250" (6.4 mm) | UT-COBR-i5G02004 | UT-COBR-i5R02004 | UT-COBR-i5P02004 |
| 0.375" (9.5 mm) | UT-COBR-i5G02006 | UT-COBR-i5R02006 | UT-COBR-i5P02006 | |
| 0.500" (12.7 mm) | UT-COBR-i5G02008 | UT-COBR-i5R02008 | UT-COBR-i5P02008 | |
| 3.50 | 0.250" (6.4 mm) | UT-COBR-i5G03004 | UT-COBR-i5R03004 | UT-COBR-i5P03004 |
| 0.375" (9.5 mm) | UT-COBR-i5G03006 | UT-COBR-i5R03006 | UT-COBR-i5P03006 | |
| 0.500" (12.7 mm) | UT-COBR-i5G03008 | UT-COBR-i5R03008 | UT-COBR-i5P03008 | |
| 5.00 | 0.250" (6.4 mm) | UT-COBR-i5G05004 | UT-COBR-i5R05004 | UT-COBR-i5P05004 |
| 0.375" (9.5 mm) | UT-COBR-i5G05006 | UT-COBR-i5R05006 | UT-COBR-i5P05006 | |
| 0.500" (12.7 mm) | UT-COBR-i5G05008 | UT-COBR-i5R05008 | UT-COBR-i5P05008 | |
| 7.50 | 0.250" (6.4 mm) | UT-COBR-i5G07004 | UT-COBR-i5R07004 | UT-COBR-i5P07004 |
| 0.375" (9.5 mm) | UT-COBR-i5G07006 | UT-COBR-i5R07006 | UT-COBR-i5P07006 | |
| 0.500" (12.7 mm) | UT-COBR-i5G07008 | UT-COBR-i5R07008 | UT-COBR-i5P07008 | |
| 10.00 | 0.250" (6.4 mm) | UT-COBR-i5G10004 | UT-COBR-i5R10004 | UT-COBR-i5P10004 |
| 0.375" (9.5 mm) | UT-COBR-i5G10006 | UT-COBR-i5R10006 | UT-COBR-i5P10006 | |
| 0.500" (12.7 mm) | UT-COBR-i5G10008 | UT-COBR-i5R10008 | UT-COBR-i5P10008 | |
| 15.00 | 0.250" (6.4 mm) | UT-COBR-i5G15004 | UT-COBR-i5R15004 | n/a |
| 0.375" (9.5 mm) | UT-COBR-i5G15006 | UT-COBR-i5R15006 | n/a | |
| 0.500" (12.7 mm) | UT-COBR-i5G10008 | n/a | n/a | |
| 20.00 | 0.250" (6.4 mm) | UT-COBR-i5G20004 | UT-COBR-i5R20004 | n/a |
| 0.375" (9.5 mm) | UT-COBR-i5G20006 | n/a | n/a | |
| 25.00 | 0.250" (6.4 mm) | UT-COBR-i5G25004 | UT-COBR-i5R25004 | n/a |