A measurement circuit according to the invention for temperature monitoring has a quantitative temperature sensor and at least one qualitative temperature sensor, the quantitative temperature sensor and the at least one qualitative temperature sensor being connected in series, the quantitative temperature sensor having a consistent characteristic line which increases in a strictly monotonous manner or a consistent characteristic line which decreases in a strictly monotonous manner and being dedicated to the precise temperature measurement, and the qualitative temperature sensor having a nominal response temperature at which the resistance value changes in a non-linear manner and being dedicated to the monitoring of limit temperatures.