FIELD: systems for automatic temperature controlling with use of electric means, possibly in industrial, transport, domestic, medicine and agricultural units.
SUBSTANCE: device includes reference voltage source, switching unit, actuating unit, feedback relay, threshold temperature pickup with predetermined hysteresis having variable resistor, potentiometer, heat sensitive S-diode, smoothing filter, resistive member.
EFFECT: simplified design, enlarged functional and operational possibilities of device.
5 dwg
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|---|---|---|---|
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SU1205130A1 |
