DEVICE FOR MEASURING INHOMOGENEITIES OF SURFACE LAYER OF METALS AND ALLOYS Russian patent published in 2007 - IPC G01N25/32 

Abstract RU 2307345 C1

FIELD: measuring technique.

SUBSTANCE: device comprises measuring probe, source of pulse current through the measuring probe and specimen generated by means of capacitor, unit for measuring thermo electromotive force, switch of the sign of the unit for measuring electromotive force, and thermocouples whose electrodes are measuring and checking probes. The thermocouples are connected with the additional units for measuring thermo electromotive force. The device is provided with the controlled electronic switches connected to the circuit of charge and charge of capacitor.

EFFECT: enhanced precision.

1 dwg

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RU 2 307 345 C1

Authors

Nogacheva Tat'Jana Ivanovna

Kuznetsova Elena Vladimirovna

Kaljuk Anton Valer'Evich

Dates

2007-09-27Published

2006-04-10Filed