MsSR-3030 is a new state-of-the-
 art instrument developed by South-
 west Research Institute(SwRI) in San
 Antonio, Texas. This instrument is
 designed for research  and  industrial
 applications of low-frequency
 (5~250 kHz) guided waves.
 MsSR-3030, based on patented
 magneto-strictive  sensor (MsS)
technology, is applicable for both ferrous and non-ferrous material. 
The technology involves placing a ribbon coil sensor around the large cylindrical
structure or a bar type probe on the flat wall structure to supply a pulse of
electric current through the coil, which in response generates an ultrasonic wave
that propagates along the inspected structure. 
 If the wave encounters a break or a defect, part of the signal is reflected and 
picked up by the sensor. MsSR-3030 is excellent for long-range global 
inspection and monitoring large  structures. The instrument can easily inspect 
defects located in a structure containing water, bent or buried under concrete 
or soil. For example, a gas pipeline can be inspected up to 100 m from one 
exposed end. The inspection range can vary depending on the structure shape or buried condition. When used for heat exchanger tube, inspection of entire 
length is possible including  tubes with U shape. Flat metal wall or I and H beams
covered by concrete or buried under ground can also be inspected with bar type probe. 
In case of wire rope, 100 mm¥õ rope can be inspected up to 100 m upward form
the  base area. MsSR-3030 can also monitor critical pipelines that carry toxic or
acidic  contents. These pipelines can quickly corrode due to unexpected
chemical reaction  and access to the pipes are difficult since they are often
covered with lagging materials. Ribbon sensors or sheet type sensors can be permanently installed around the pipeline and can be connected to the MsSR instrument through a multiplexer to monitor the condition of the pipeline real time.

 
FEATURES
 
  High sensitivity (find defects that has up to 2~3%
    differences from the normal condition)
  Inspect carbon steel and alloy steel
  Inspect Pipe and tube (up to 40 inch diameter)
  Inspect up to 1.5 inch thickness
  Work for high temperature applications
    (up to Curie temperature, 770 ¡É in steel, 354 ¡É in Nickel,
     up to 105 ¡É for ribbon coil in piping inspection) 
  2 inch sensor lift off from the surface of inspected materials

 
APPLICABLE WAVE MODES
  Torsional, longitudinal and flexural wave for cylindrical structure
  Shear-horizontal, symmetric and antisymmetric
  Lambwave for plate structure 
 

  MsS Technique to study the dispersion 
characteristics of elastic waves in bounded
   media in a 1.5 inch diameter steel pipe

    Elastic wave generation and detection using 
   magnetostrictive sensors and accompanying 
             instrumentation in a steel pipe

 
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Gurogu, Seoul. 152-050, Korea 
Phone : 82-2-804-3600, 3636 
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