FIELD: automatic control of refrigerating and heating systems. SUBSTANCE: control device has temperature sensor, analog-to-digital converter, digital comparator, nonvolatile memory unit, DC power supply, correction circuit, and digital noise filter. Electronic device incorporates units of control device as well as logic circuit and common nonvolatile memory unit for reference and calibrated values. EFFECT: improved accuracy and reliability. 19 cl, 14 dwg
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