Computer-implemented method for monitoring at least two redundant sensors (102.1, 102.2; 202.1, 202.2; 252.1, 252.2), which are in particular arranged in a chemical plant (100, 200) or in an aircraft, comprising: a) providing a first sensor signal of a first sensor (102.1, 202.1, 252.1) of the two redundant sensors (102.1, 102.2; 202.1, 202.2; 252.1, 252.2), the first sensor signal comprising at least one measured value, b) providing at least one further sensor signal from a further sensor (102.2, 202.2, 252.2) of the two redundant sensors (102.1, 102.2; 202.1, 202.2; 251.1, 252.2), the further sensor signal comprising at least one further measured value, c) generating at least one first analysis signal from the first sensor signal, a second derivative of the first sensor signal being generated as the first analysis signal, d) generating at least one further analysis signal from the further sensor signal, a second derivative of the further sensor signal being generated as the further analysis signal, e) selecting a time horizon for the sensor signals from a), b) by comparison of the analysis signals from c) and d) with the predefined limit for the variance, stationarity and dynamics of the sensor signal, the time horizon in which there are a minimum number of data points being ascertained, characterized by a second time derivative, the absolute value of which lies above a specified dynamics limit value of the second derivative, f) determining at least one correlation between the first analysis signal of the first sensor and the analysis signal of the further sensor, g) comparing the correlation with at least one admissible correlation range or the difference with an admissible difference range, and h) depending on the result of the comparison according to g), determining whether at least one sensor (102.1, 102.2; 202.1, 202.2; 252.1, 252.2) of the two redundant sensors (102.1, 102.2; 202.1, 202.2;252.1, 252.2) is faulty, i) issuing the determination according to h). a) providing a first sensor signal of a first sensor (102.1, 202.1, 252.1) of the two redundant sensors (102.1, 102.2; 202.1, 202.2; 252.1, 252.2), the first sensor signal comprising at least one measured value, b) providing at least one further sensor signal from a further sensor (102.2, 202.2, 252.2) of the two redundant sensors (102.1, 102.2; 202.1, 202.2; 251.1, 252.2), the further sensor signal comprising at least one further measured value, c) generating at least one first analysis signal from the first sensor signal, a second derivative of the first sensor signal being generated as the first analysis signal, d) generating at least one further analysis signal from the further sensor signal, a second derivative of the further sensor signal being generated as the further analysis signal, e) selecting a time horizon for the sensor signals from a), b) by comparison of the analysis signals from c) and d) with the predefined limit for the variance, stationarity and dynamics of the sensor signal, the time horizon in which there are a minimum number of data points being ascertained, characterized by a second time derivative, the absolute value of which lies above a specified dynamics limit value of the second derivative, f) determining at least one correlation between the first analysis signal of the first sensor and the analysis signal of the further sensor, g) comparing the correlation with at least one admissible correlation range or the difference with an admissible difference range, and h) depending on the result of the comparison according to g), determining whether at least one sensor (102.1, 102.2; 202.1, 202.2; 252.1, 252.2) of the two redundant sensors (102.1, 102.2; 202.1, 202.2;252.1, 252.2) is faulty, i) issuing the determination according to h).