FIELD: food industry; chemical industry. SUBSTANCE: pulse electromagnetic signals are excited in long tine section. Signals reflected from lower end of line section positioned vertically in vessel with substance being checked are recorded, and their amplitude is measured. Total time of forward and backward propagation of these signals is measured. Provision is made for checking of dielectric substances of low dielectric permeability. EFFECT: extended range of application. 1 dwg
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Authors
Dates
1999-01-20—Published
1997-05-30—Filed