Contents
Instrument Overview ........................................................................2
Instrument parts ................................................................................ 2
General description ........................................................................... 2
Displays and icons ............................................................................. 3
Start up .............................................................................................. 4
Batteries ............................................................................................ 5
Settings .............................................................................................. 6
Battery type .................................................................................... 6
Unit for temperature measurement ..................................................6
Unit for bearing diameter setting ..................................................... 6
Accessories ................................................................................... 7
Shock Pulse Measurement ...................................................... 8
The Shock Pulse Method ................................................................... 8
Carpet value dBc ............................................................................. 8
Maximum value dBm ....................................................................... 8
dBm/dBc.........................................................................................8
Normalized shock pulse values with dBi ............................................9
Unnormalized readings............................................................................9
The dBm/dBc technique................................................................... 10
Rules for measuring points................................................................ 11
Measuring points, examples .............................................................12
Measuring range .............................................................................14
Creating acceptable measuring conditions ....................................... 15
Measuring intervals .........................................................................16
Shock pulse transducers.................................................................... 17
Bearing Measurement ............................................................... 19
Input data .......................................................................................... 19
Entering shaft diameter and rpm for dBi calculation .......................... 19
Entering dBi manually ...................................................................... 19
Shock pulse measurement ................................................................20
Transducer Line Test .......................................................................... 21
Storing measurement results ............................................................21
Listening to the shock pulse pattern ................................................ 22
Evaluating the Bearing Condition ........................................... 23
Identifying the shock pulse source ................................................... 24
Shock pulse patterns – condition codes ........................................... 25
Typical shock pulse patterns from rolling bearings .......................... 26
Confirming bearing damage ............................................................. 30
Evaluation flow chart ......................................................................... 32
Temperature Measurement ...................................................... 34
Using the Stethoscope Function ............................................. 35
Technical Specifications ............................................................. 36
Maintenance and calibration ............................................................. 37
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