A condition monitoring apparatus for securing onto and monitoring a device comprising: means for sampling vibrations of said device to be monitored, along at least two substantially perpendicular X and Y axes; means for sensing the temperature of said device to be monitored; a signal processor configured to: - sample, at the start up time of the device being monitored, an X-axis start up vibration level input signal and a Y-axis start up vibration level input signal; - define X-axis vibration and Y-axis vibration thresholds, based on said start up vibration level input signals; - sample, at a subsequent time after the start up of the device being monitored, an X-axis subsequent vibration level input signal and a Y-axis subsequent vibration level input signal from said means for sampling vibrations, as well as a temperature input signal from said means for sensing temperature; - monitor the device based on the following: (i) making an X-axis comparison between said X-axis subsequent vibration level input signal and said X-axis vibration threshold; and (ii) making a Y-axis comparison between said Y-axis subsequent vibration level input signal and said Y-axis vibration threshold; and (iii) making a temperature comparison between the temperature sensor input signal and a predetermined temperature threshold; - after the monitoring, - annunciate a high vibration or temperature indication for a high vibration or temperature condition associated with the device if the result of the either the X-axis comparison or the Y-axis comparison indicates that the subsequent vibration level input signal exceeds said respective vibration threshold, for at least two successive samples, or - annunciate a normal indication. means for sampling vibrations of said device to be monitored, along at least two substantially perpendicular X and Y axes; means for sensing the temperature of said device to be monitored; a signal processor configured to: - sample, at the start up time of the device being monitored, an X-axis start up vibration level input signal and a Y-axis start up vibration level input signal; - define X-axis vibration and Y-axis vibration thresholds, based on said start up vibration level input signals; - sample, at a subsequent time after the start up of the device being monitored, an X-axis subsequent vibration level input signal and a Y-axis subsequent vibration level input signal from said means for sampling vibrations, as well as a temperature input signal from said means for sensing temperature; - monitor the device based on the following: (i) making an X-axis comparison between said X-axis subsequent vibration level input signal and said X-axis vibration threshold; and (ii) making a Y-axis comparison between said Y-axis subsequent vibration level input signal and said Y-axis vibration threshold; and (iii) making a temperature comparison between the temperature sensor input signal and a predetermined temperature threshold; - after the monitoring, - annunciate a high vibration or temperature indication for a high vibration or temperature condition associated with the device if the result of the either the X-axis comparison or the Y-axis comparison indicates that the subsequent vibration level input signal exceeds said respective vibration threshold, for at least two successive samples, or - annunciate a normal indication. - sample, at the start up time of the device being monitored, an X-axis start up vibration level input signal and a Y-axis start up vibration level input signal; - define X-axis vibration and Y-axis vibration thresholds, based on said start up vibration level input signals; - sample, at a subsequent time after the start up of the device being monitored, an X-axis subsequent vibration level input signal and a Y-axis subsequent vibration level input signal from said means for sampling vibrations, as well as a temperature input signal from said means for sensing temperature; - monitor the device based on the following: (i) making an X-axis comparison between said X-axis subsequent vibration level input signal and said X-axis vibration threshold; and (ii) making a Y-axis comparison between said Y-axis subsequent vibration level input signal and said Y-axis vibration threshold; and (iii) making a temperature comparison between the temperature sensor input signal and a predetermined temperature threshold; (i) making an X-axis comparison between said X-axis subsequent vibration level input signal and said X-axis vibration threshold; and (ii) making a Y-axis comparison between said Y-axis subsequent vibration level input signal and said Y-axis vibration threshold; and (iii) making a temperature comparison between the temperature sensor input signal and a predetermined temperature threshold; - after the monitoring, - annunciate a high vibration or temperature indication for a high vibration or temperature condition associated with the device if the result of the either the X-axis comparison or the Y-axis comparison indicates that the subsequent vibration level input signal exceeds said respective vibration threshold, for at least two successive samples, or - annunciate a normal indication. - annunciate a high vibration or temperature indication for a high vibration or temperature condition associated with the device if the result of the either the X-axis comparison or the Y-axis comparison indicates that the subsequent vibration level input signal exceeds said respective vibration threshold, for at least two successive samples, or - annunciate a normal indication.