1.1 Selection of the sensor type and setting<\/h2>\n
Depending on the task, either vibration sensors or displacement sensors can be used for measurements. To select the type of sensor it is necessary on the panel “Sensor type” (at the bottom of the main window) to put a mark in the field “Vibro” or “Linear”.<\/p>\n
![\"Fig.](\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image002.webp\")
Fig. 1. The main working window of the Balanset program.T<\/p><\/div>\n
Before starting the measurement it is necessary to make sure that the conversion coefficients of the sensors are set correctly. For this purpose press the button \u201cF4-Settings\u201d in the main working window of the program (see Fig. 1) and go to the settings window designed for entering conversion coefficients (see Fig. 2).<\/p>\n
In the working window shown in Fig. 2, in the corresponding fields the conversion coefficients of linear and vibration sensors should be entered. These coefficients are specified in the instrument passport. Usually you do not need to change them.<\/p>\n
For the linear displacement<\/a> sensors used in the set of the Balanset-1A instrument, the conversion coefficients are respectively equal to:<\/p>\n For proper operation, the linear encoder must be installed at a certain distance from the surface of the object of measurement. The nominal clearance between the surface and the end of the sensor is 3.5 mm. In this case there is a constant voltage of 2.48 volts at the sensor output. This voltage will be shown in the fields \u201cChannel1\u201d and \u201cChannel2\u201d for the first and second channels respectively.<\/p>\n To compensate it you must press the button \u201cRemove DC\u201d. A small residual offset will not interfere with the measurement.<\/p>\n <\/p>\n <\/p>\n Fig. 2. Working window for entering conversion coefficients and selecting the type of used sensors<\/p><\/div>\n <\/p>\n Attention!<\/strong> The specified values of nominal clearance and the conversion factors of the linear encoders are given for rotors made of steel. For rotors made of other metals (copper, bronze, aluminum) nominal clearance and sensors conversion coefficients should be determined experimentally by the user by conducting calibration.<\/p>\n To save the changed parameters press \u201cOK\u201d button. The new parameters will be saved in a file and used for further measurements.<\/p>\n The radial run-out of the rotor can be measured with non-contact proximity probes<\/a> in two planes according to the scheme shown in fig. 3. In order to measure and plot the time function and rotor run-out spectrum, if necessary, a number of preparatory operations must be carried out, including:<\/p>\n\n
![\"Fig.](\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image004.webp\")
1.2 Measuring the radial run-out of the rotor<\/h2>\n
![\"Fig.](\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image006.webp\")
![\"\u099a\u09bf\u09a4\u09cd\u09b0](\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image010.webp\")
![\"Fig.](\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image016.gif\")
![\"Fig.7.](\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/04\/image014.webp\")