A turbine machine including a diagnostic system for monitoring operating conditions of components (18, 19, 22, 23) of the turbine machine, the diagnostic system comprising: a non-contact area sensor (24, 31), positioned relative to the turbine machine in spaced relation to a component (18, 19, 22, 23) of the turbine machine, that detects an operating condition of the turbine component, and the non-contact area sensor monitoring a defined region (60, 62) of the component determined by a field of view of the sensor, and generates data signals representing the operating condition; at least one wireless point sensor mounted on the turbine component and positioned on the turbine component at predetermined coordinates relative to the component, wherein the wireless point sensor monitors the same operating condition as the non-contact area sensor and generates data or data signals representing the operating condition; wherein the non-contact area sensor detects the operating condition within a first estimated range of accuracy and the wireless point sensor detects the operating condition within a second estimated range of accuracy that is higher than the first estimated accuracy range; a data acquisition and processing controller linked in data communication with the non-contact area sensor and the wireless point sensor, wherein the controller is configured to calibrate the non-contact area sensor data received from the non-contact area sensor using the operating condition data from the wireless point sensor, wherein the wireless point sensor is positioned on the turbine component within the field of view of the non-contact area sensor and the defined region of the turbine component monitored by the non-contact area sensor, wherein the non-contact area sensor transmits data relative to a plurality of measurements of the operating condition over the defined region, wherein coordinates of one or more of these measurements are identified, and the data for at least one such measurement having identified coordinates that are the same as the coordinates of the wireless point sensor, or within a predetermined range of the wireless point sensor coordinates, is calibrated based on the wireless point sensor data. a non-contact area sensor (24, 31), positioned relative to the turbine machine in spaced relation to a component (18, 19, 22, 23) of the turbine machine, that detects an operating condition of the turbine component, and the non-contact area sensor monitoring a defined region (60, 62) of the component determined by a field of view of the sensor, and generates data signals representing the operating condition; at least one wireless point sensor mounted on the turbine component and positioned on the turbine component at predetermined coordinates relative to the component, wherein the wireless point sensor monitors the same operating condition as the non-contact area sensor and generates data or data signals representing the operating condition; wherein the non-contact area sensor detects the operating condition within a first estimated range of accuracy and the wireless point sensor detects the operating condition within a second estimated range of accuracy that is higher than the first estimated accuracy range; a data acquisition and processing controller linked in data communication with the non-contact area sensor and the wireless point sensor, wherein the controller is configured to calibrate the non-contact area sensor data received from the non-contact area sensor using the operating condition data from the wireless point sensor, wherein the wireless point sensor is positioned on the turbine component within the field of view of the non-contact area sensor and the defined region of the turbine component monitored by the non-contact area sensor, wherein the non-contact area sensor transmits data relative to a plurality of measurements of the operating condition over the defined region, wherein coordinates of one or more of these measurements are identified, and the data for at least one such measurement having identified coordinates that are the same as the coordinates of the wireless point sensor, or within a predetermined range of the wireless point sensor coordinates, is calibrated based on the wireless point sensor data.