FIELD: investigating fluid-tightness of structures.
SUBSTANCE: method comprises moving loading member with respect to the wall, monitoring loading force which acts on the tank, sampling the value of loading at the first moment of contact, which yields the first signal, storing it in memory, generating the first stored signal, generating the first difference signal from the first signal and response to the first stored signal, and generating the second difference signal on the basis of the stored signal, second signal and first difference signal, which indicates leakage.
EFFECT: enhanced accuracy of testing.
36 cl, 17 dwg
