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Dakota Ultrasonics 
34 
Pulse-Echo Temperature Compensated Mode – Temp Comp (PETP) 
 
This is a custom mode that combines pulse-echo and electronic zero techniques to 
automatically adjust for temperature changes in the transducer as a result of an 
increasing/decreasing temperature gradient in the test material.  Note:  rough surface 
conditions can have an effect on the overall accuracy in this mode.  If the surface 
condition is in question, the pulse-echo mode should be used in conjunction with 
performing an off block automatic zero as the temperature gradient changes.