FIELD: measuring devices for nonelectric quantities. SUBSTANCE: two additional resistors 2 and 3 are connected, respectively, to current and potential leads of standard resistor 1 connected to different leads of this resistor. Simulator provides for essential decrease in error brought in due to instability of switching element resistance. EFFECT: improved accuracy due to reduction of the effect of switching element 5 on output signal of calibrated system, insertion of shunt resistor 4 in circuit which causes stepped change of simulator resistance. 1 dwg
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