Contents
1. Purpose..................................................................................................................3
2. Function.................................................................................................................3
2.1. The Vibration Sensor......................................................................................3
2.2. The Measuring Instrument..............................................................................4
3. Measuring Ranges.................................................................................................4
3.1. Measurable Vibration Quantities....................................................................4
3.2. Vibration Acceleration....................................................................................5
3.3. Vibration Velocity...........................................................................................5
3.4. Vibration Displacement..................................................................................7
3.5. Rolling Bearing Parameters K(t)....................................................................8
3.6. Rotational Speed............................................................................................9
3.7. Temperature....................................................................................................9
4. The Batteries..........................................................................................................9
4.1. Inserting the Batteries.....................................................................................9
4.2. Switching On and Off...................................................................................10
4.3. Battery Display and Battery Type.................................................................11
4.4. Shut-off Timer..............................................................................................12
5. Preparation of Measuring Points..........................................................................12
5.1. General Information on Measurement Point Choice.....................................12
5.2. ISO 10816-1 Recommendations...................................................................12
5.3. VMID Measurement Point...........................................................................14
5.3.1. How the VMID Measurement Point Functions.....................................14
5.3.2. Mounting the VMID Measurement Point..............................................14
6. Measurement.......................................................................................................15
6.1. Measurement Value Display.........................................................................15
6.2. Selecting the Display Quantity.....................................................................15
6.3. Measurement Point Detection.......................................................................16
6.3.1. Reading the VMID Data with the VM25..............................................16
6.3.2. Entering the Measurement Point Text...................................................16
6.3.3. Editing and Deleting Measurement Point Data.....................................18
6.4. Saving Measurands.......................................................................................18
6.5. Graphical Trend Display...............................................................................18
6.6. Viewing Saved Measurement Values............................................................19
6.7. Deleting Saved Measurement Data...............................................................20
6.8. K(t) Measurement.........................................................................................20
6.9. Frequency Analysis.......................................................................................23
6.9.1. Settings.................................................................................................23
6.9.2. FFT Memory.........................................................................................24
6.10. Rotation Speed Measurement.....................................................................25
6.11. Temperature Measurement..........................................................................26
7. Measurement Evaluation with Standard Values...................................................27
8. Setting the Date and Time....................................................................................29
9. Calibration...........................................................................................................30
10. Sensor Check.....................................................................................................32
11. Headphone Output.............................................................................................32
12. Reset Key...........................................................................................................33
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