Ntxuav cov qauv thaiv ntawm Ultrasonic thickness gauge Vim hais tias ntawm coupling tus neeg sawv cev yuav tsum tau muab tso rau hauv cov qauv thaiv thaum lub sij hawm calibration, tom qab siv cov qauv thaiv yuav tsum tau muab ntxuav kom preve nting xeb. Nyob rau hauv ib puag ncig kub dua, nco ntsoov tiv thaiv lub thaiv daim ntawv cov tee dej. Yog tias qhov ntsuas tsis siv rau lub sijhawm ntev, thov siv qee qhov kev tiv thaiv kev tiv thaiv ntawm cov qauv thaiv.
