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EMAT technology is an ultrasonic non destructive testing method that differs from the traditional piezoelectric transducers in the way the sound is generated. In traditional ultrasound technology a piezoelectric crystal is used to convert electrical energy into mechanical vibration. The vibration makes its way into the test piece via the couplant.
An EMAT consists of a magnet & a coil of wire and relies on electro-magnetic acoustic interaction for elastic wave generation. Using Lorentz forces and magnetostriction, the EMAT & the metal test surface interact and generate an acoustic wave within the material. The material being inspected is its own transducer, eliminating the need for liquid couplant.

Temate PowerBox H

Temate PowerBox H is a battery operated instrument capable of generating peak power of 1200V or 8kW. It incorporates integrated digitizer and broadband pulsers/receivers to perform a variety of flaw inspection, thickness, and material property measurements in factory or field environments.
Spike and tone-burst pulses at frequencies from 100 kHz to 6MHz can be generated to excite a full range of ultrasonic wave modes, including guided waves, in pulse-echo and pitch-catch arrangements.
The instrument can be used with EMAT sensors from Innerspec Technologies or other manufacturers. Embedded software PowerUT-H permits the user to modify triggering and receiving patterns, use advanced filters to enhance signal-to-noise, and present the information on A, B, C and Line Scan formats. Screen captures, device settings and data can be downloaded to a PC using additional software provided with the instrument.

Temate PowerBox 1&2

The temate PowerBox 1&2 are one and two channel portable instruments with integrated digitizers and broadband pulsers/receivers to perform a variety of flaw inspection, thickness, and material property measurements in factory or field environments.
Spike and tone-burst pulses at frequencies from 50 kHz to 7MHz can be generated to excite a full range of ultrasonic wave modes, including guided waves, in pulse-echo and pitch-catch arrangements.
The temate PowerBox 1 includes a built-in magnet-pulser that provides the ability to use electromagnetic probes used for scanning ferromagnetic materials without adhering to the surface, and generating unique wave modes. A built-in encoder and 12 programmable inputs/outputs facilitate integration with a scanner and other external equipment. PowerUT software is supplied for PC data logging, imaging and analysis.

Temate PowerBox 8

The temate PowerBox 8 is an eight-channel portable instrument with integrated digitizers and broadband pulsers/receivers designed for multi-channel applications such as phased-array and Long Range Guided Waves in pipelines.
Spike and tone-burst pulses at frequencies from 50 kHz to 7MHz can be generated to excite a full range of ultrasonic wave modes, including guided waves, in pulse-echo and pitch-catch arrangements. Two built-in encoder, and 12 programmable inputs/outputs facilitate integration with a scanner and other external equipment. PowerUT software is supplied for PC data logging, imaging and analysis.