BRIDGE RESISTOR GAUGE OF THREE RESISTANCE TRANSDUCERS Russian patent published in 2011 - IPC G01R17/10 

Abstract RU 2427847 C1

FIELD: electricity.

SUBSTANCE: device includes the following: generator of feeding pulses consists of synchronisation cascade, shapers of sequences of rectangular linearly varying and quadratic pulses; commutator; power amplifier; four-arm bridge circuit; null indicator. Single resistors are connected to the first, the second and the third arms of four-arm bridge circuit. The fourth arm of bridge circuit consists of two parallel connected branches. Peculiar feature of this invention is such that additional second capacitor is introduced to the first branch of the fourth arm of four-arm bridge circuit, as well as the fifth resistor is introduced to the second branch of the fourth arm of four-arm bridge circuit.

EFFECT: lower measuring error owing to excluding the constituents of error from parasitic capacitances of variable controlled balancing elements and resistance transducers with required resistances.

1 dwg

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RU 2 427 847 C1

Authors

Peredel'Skij Gennadij Ivanovich

Didenko Jurij Vladimirovich

Romanchenko Aleksandr Semenovich

Dates

2011-08-27Published

2010-04-12Filed