EM1401 / EM1401 UT EMA Thickness Gauge. Operation Manual.
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INTENDED USE
The EM1401 / EM1401 UT thickness gauge (further, the Device) is intended
to measure thickness of steel pipe walls, flat steel, rods, and other products made of
steel as well as aluminum and other metals using both non-contact electro-magnetic
transducers and traditional contact piezoelectric transducers (for EM1401 UT version).
PRINCIPLE OF OPERATION
The Device measures time during which the acoustic wave transits through the
test object. The measured time is converted into thickness using the specified value of
speed of ultrasonic wave propagation.
The Device can be connected both to EMA transducers and to contact PE
(piezoelectric) transducers.
A special data processing algorithm designed by Oktanta allows to measure the
test object thickness correctly even in the presence of disruptors such as metal
anisotropy, several reflectors and external noise. The Device enables to eliminate
influence of the human factor making the thickness measurements completely
automatic.