FIELD: medical technics. SUBSTANCE: invention may be used for developing precision automated devices providing examination and diagnostics of state of soft and bone tissues, stomach, blood-vessels of cardiovascular system, organism reaction, etc. Bridged device of invention contains alternate-current generator, four-arm bridged metering circuit formed by the first, second, and third elements, first an second operational amplifier, two multiplexers, constant multiplier, amplitude rectifier, analog-to- digital transformer, computer, nth number of metering electrodes to connect examination object to fourth arm. EFFECT: improved structure. 2 dwg
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