General Info

The V-Meter MK IV™ ultrasonic pulse velocity system for finding voids and cracks and determining other material properties.

The most advanced ultra-sonic test system for accurately identifying basic characteristics of coarse grained materials such as concrete, wood, masonry, ceramic, graphite and more!

 

 

Applications:

  • Locate Honey Combs and Voids in Concrete
  • Locate Cracks in Concrete, Ceramics, Masonry or Stone
  • Determine Fire Damage Extent in Concrete or Masonry
  • Crack Depth Determination
  • Determining Young’s Modulus and Poissons ratio (with optional Shear Wave Transducers) of concrete
  • Find Hidden Areas of Rotting Wood
  • Non-destructive determining the strength of concrete with greater accuracy than a concrete rebound test hammer
  • Underwater testing of wooden and concrete structures
  • Determining the integrity of wooden and concrete power poles

Product Information:

Concrete

The V-Meter MK IV™ is widely used and accepted for quality control and inspection of concrete. It can measure and correlate concrete strength to standard strength measurement, permitting non-destructive testing of complete structures. It will identify honeycombs, voids, frozen concrete, cracks and other non-homogenous conditions in concrete. Ultrasonic testing can be applied to new and old structures, slabs, columns, walls, fire damaged areas, hydroelectric structures, pipe, prefab and pre-stressed beams, cylinders and other concrete forms. A wide range of transducers are available.

Wood

V-Meter MK IV™, ultrasonic testing of wood can, non-destructively, detect knots, shakes, splits, grain orientation, windfall cracks and presence of decay and rot. Basic parameters such as modulus of elasticity and density can be calculated. Practical applications include field testing of utility poles and structures, grading in the manufacturing process, fire ladder inspection, examination of laminates and paper roll density. The velocity of ultrasonic energy pulses traveling in a solid material are related to the density and elastic properties of the material. The pulse velocity is thus a measure of density and elastic properties of the material. In transmitting ultrasonic energy through a coarse grained material such as concrete, ceramics or wood, it is necessary for the wave length of energy to be greater than the diameter of the largest grain particle. If it is not, all of the energy will be reflected back by the particles and none will reach the receiver. Typically, the 54 KHZ transducers are used for wood testing. The signal wave length is about 3 inches (75mm). Finer materials require higher frequencies for optimum resolution.

Ceramics

V-Meter MK IV™ has been successfully applied to a range of ceramic products–including tile, refractory bricks and blocks, and kiln furniture–as well as graphite. In an increasing number of refractory and ceramic applications, the ultrasonic pulse velocity testing technique has been used with positive results. UPV testing has enabled users to improve their production processes, increase the integrity and quality of their products, and reduce scrap and reject rates-thereby saving both time and money. In today’s economy, such bottom-line benefits are difficult to ignore.

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