FIELD: measurement technology, temperature measurement with use of thermocouples. SUBSTANCE: device measuring temperature difference is manufactured in the form of thermoelectric circuit that includes thermocouple or bank of thermocouples, galvanometer, additional thermocouple or bank of thermocouples with bigger thermal emf. Potentiometric voltage dividers are connected in series with additional thermocouple or bank of thermocouples. Their mobile contacts are placed in break of thermocouple or bank of thermocouples. EFFECT: simplified design and increased functional reliability of device. 1 dwg
