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Help with Ultrasonic Transducers specifications:

Application
   Application       
   Your choices are...         
   General Purpose       Transducer element for general application with no specialized features; includes air transducers. 
   Medical       Transducer is designed for medical application. Transducer and housing design is often highly specialized for particular medical application. 
   NDT - Coating Thickness       The sensor or transducer can be used to measure the thickness of coatings such as paint, enamel, plating, etc. 
   NDT - Flaw / Crack Detection       Instrument or systems used to detect and measure flaws or cracks in a material or component. 
   NDT - Wall / Material Thickness       The probe can be used to measure, without destructive sectioning, the thickness of sheet materials, section or webs of parts/walls, tubing, or pipe. 
   NDT - Weld Inspection       Probe specifically designed for detection of flaws and cracks in welded joints. 
   Ultrasonic Cleaning / Liquid Processing       Ultrasonic transducer designed for fluid processing applications such as ultrasonic cleaning, atomization, nebulization, spraying, mixing, sieving, disintegration, milling, homogenization and cell disruption.   
   Ultrasonic Cutting       Ultrasonic transducer designed for ultrasonic cutting applications. 
   Ultrasonic Welding       Ultrasonic transducer designed for ultrasonic welding applications. 
   Other       NDT sensor or probe designed for other unlisted, proprietary or patented applications. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Probe Style / Type
   Style / Type:       
   Your choices are...         
   Array (Linear / Phased)       An array is several transducers arranged together as a system. Phased array probes are utilized in ultrasonic imaging systems. They allow cracks, welds or defects to be imaged. 
   Angle Beam / Wedge Transducer       Angle beam transducers include mounted transparent angle blocks; often used for weld inspection and flaw detection. They typically utilize refracted shear waves to detect flaws throughout the depth of welded areas. 
   Contact Transducer       Transducer is placed directly against surface to be inspected or measured. They usually have features such as wear plate and ergonomic housings so that they can be used in a variety of applications. 
   Dual Element       Two elements in the transducer housing allow transmitter and receiver to operate independently. The elements are angled toward each other to create a reflective transmit/receive pathway. 
   Delay Line Transducer       Versatile style transducer, often with replaceable head options such as membranes and wear caps. Used to gage or detect flaws such as delaminations in thin materials. 
   Electromagnetic Acoustic (EMAT)       Electromagnetic acoustic transducers (EMAT) use a magnetorestrictive or eddy current effect to transmit and receive ultrasonic signals. EMAT has several advantage over conventional ultrasonic transducers such as no couplant requirement; usable on sample with scales, coatings, or heavy oxide layers; functional at high temperatures; and usable in contact with or at a small distance from surface; and even small diameter pipes can be inspected.  The non-contact and no couplant features allow moving materials to be inspected during production processing. 
   Immersible / Waterproof       Designed to be totally submerged in liquid medium, most often fresh water; often used in cleaning or scanning applications. They can use focusing optics to improve sensitivity and axial resolution. 
   Inside Diameter (Tubing / Holes)       I.D. or hole probes are inserted into holes meant for bolts or other fasteners to detect flaws or damage on the inside diameter of the hole. Tubing probes are designed to be inserted into runs of tubing for nondestructive evaluation. Typical applications include inspection of heat exchanger or condenser coils. NDT probes designed for inspecting the inner diameters of tubes, boltholes, or recesses in parts typically have a round shape or small size. The probes are often rotated manually or with a motor during the evaluation process. Manual probes are positioned and rotated by hand. Rotating hole probes have some type of rotational drive functionality, which may require a separate driver mechanism. 
   Shear Wave Transducer       Introduce shear waves into material without using angle beam wedge. The ratio of shear wave components to longitudinal components can exceed 30 dB. 
   TOFD / Diffracted Wave       Times of flight diffracted wave (TOFD) transducers are used with a wedge and emit a highly damped longitudinal wave to produce lateral waves for crack detection and measurement. A TOFD image is constructed using four different ultrasonic wave types: (1) longitudinal wave, (2) lateral wave on the surface between the receiver and transmitter, (3) reflected longitudinal wave and (4) shear wave generated at the cracks, defects or discontinuities. 
   Wheel / Roller Probe       Wheel probes or dry couplant, continuous-test rolling probes have contact and roll across the surface to be evaluated. Originally, the dry couplant rollers or wheels were oil-filled rubber tires containing one immersion transducer. Current wheel probes use multiple ultrasonic transducers in the stator or axle. Applications include flaw detection and thickness measurements. 
   Other       Specialized or non-listed probe or transducer type. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Features       
   Your choices are...         
   Protected Element       Transducer element protected for use on rough surfaces. 
   Rotating / IRIS       Rotating probes are often used for testing inner diameters of tubes, boltholes or other part recesses. Rotating probes are used as part of an ultrasonic internal rotating inspection system (IRIS) for evaluating of internal recesses and tubing. 
   Sliding       Meant for sliding or scanning across a surface, sliding probes often have low-profile bodies and the ability to test material areas below the top surface. 
   Specialty / Other Feature       NDT sensor or probe having other unlisted, proprietary, or patented application-specific or specialty features. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Specifications
   Beam Angle:       Total included angle of ultrasonic beam. In general, a high frequency transducer will produce a narrow beam and a lower frequency transducer a wider beam. The beam angle can be influenced somewhat by the transducer housing construction. 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
   Measurement Range       Measurement range is the depth into the material, part or coating thickness that can be inspected with the NDT sensor or probe. 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
   Resolution       Resolution is the smallest dimensional measurement of thickness of flaw size that can be made with the NDT sensor or probe. 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
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