FIELD: measurement technology. SUBSTANCE: meter is designed to measure magnetic properties of various physical and biological objects, to register various magnetic markers. Measured sample is located in zone of action of magnetic field formed by inductive unit. Inductive unit is connected to outputs of generators of exciting and modulating signals. Filter tuned to passage of frequency that presents linear combination of frequencies of exciting and modulating signals is connected to output of inductive unit. EFFECT: raised signal- to-noise ratio, increased sensitivity of meter, enhanced functional flexibility of meter and expanded field of its application. 13 cl, 15 dwg
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