FIELD: electricity.
SUBSTANCE: quick-acting converter of a resistive sensor resistance change into an electric signal comprises resistive sensors, a source of supply current for sensors, an instrumental amplifier, an analogue to digital converter, a device to control temperature sensors connected to a central processor via serially connected a switchboard, an analogue to digital converter of a temperature sensor and an interface device, and also an analogue to digital converter of a source of current, a digital to analogue converter of a resistive sensor nominal value, an instrumental difference amplifier, a low pass filter, two digital multiplexers, two operative memories, a digital signal processor, a digital to analogue converter of channel zero tuning, an interface device.
EFFECT: improved accuracy and speed of a metre.
3 dwg
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