SKF MicroVibe P CMVL 3860-ML User Manual
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SKF MicroVibe P CMVL 3860-ML User Manual

SKF MicroVibe P CMVL 3860-ML User Manual

Portable vibration meter
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WARNING! Not certified for use in hazardous locations.
Read this manual before using this product. Failure to follow the instructions and safety precautions in
this manual can result in serious injury. Keep this manual in a safe location for future reference.
Copyright © 2009
by SKF Reliability Systems
All rights reserved.
5271 Viewridge Court, San Diego, CA 92123-1841 USA
Telephone: (858) 496-3400, Fax: (858) 496-3531
Customer Service: 1-800-523-7514
SKF MicroVibe P
CMVL 3860-ML
Portable Vibration Meter
User Manual P/N 32178100-EN
Revision A
User Manual
™

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Summary of Contents for SKF MicroVibe P CMVL 3860-ML

  • Page 1 Read this manual before using this product. Failure to follow the instructions and safety precautions in this manual can result in serious injury. Keep this manual in a safe location for future reference. Copyright © 2009 by SKF Reliability Systems All rights reserved. 5271 Viewridge Court, San Diego, CA 92123-1841 USA...
  • Page 2 SKF reserves the right to alter any part of this publication without prior notice.
  • Page 3 Product sold by SKF, even if such claim is based on tort (including TWO-YEAR WARRANTY negligence or strict liability), breach of contract, or any other legal theory.
  • Page 4 Buyer must meet the hereunder and if requested or authorized in requirements stipulated by SKF. writing by SKF, Buyer shall forward to SKF any Product claimed by Buyer as being defective. Criteria 2. Buyer shall prepay all transportation charges to SKF’s factory or authorized service center.
  • Page 5 INDEMNITIES, REPRESENTATIONS OR WARRANTIES ON BEHALF OF SKF. THE FOREGOING LIMITATIONS AND DISCLAIMERS OF LIABILITY SHALL BE MADE APPLICABLE TO THE SALE OF ANY PRODUCT BY SKF TO THE FURTHEST EXTENT PERMITTED BY APPLICABLE LAW. The exclusive remedies provided in this limited...
  • Page 7 Copying software and documentation is prohibited by the Copyright Act. • Rental of software is prohibited by the Copyright Act. SKF Reliability Systems is not responsible for damage, profit loss, or any other claims • from third parties or use of accessory software.
  • Page 8 The formal name of Windows is Microsoft Windows Operating System. Compact Flash Card is referred to as CF Card in this User Manual. The system name and product names shown in the User Manual are registered trademarks of the respective manufacturers.
  • Page 9 • Do not allow water or foreign material to enter the MicroVibe P unit. • If the MicroVibe P is not operating properly, contact your SKF Reliability Systems Representative for troubleshooting assistance. • Do not open the cover. If the MicroVibe P’s outer cover is opened or modified, it may cause serious damage and void any warranty.

  • Page 11: Table Of Contents

    Saving Overall Measurement ........13 FFT Waveform Analysis ..........14 FFT Spectrum analysis..........18 Displaying the Highest Five Frequency Components (High5 Feature) ........ 21 Saving the FFT Measurement........26 Waveform Analysis .............28 Saving the Waveform Measurement .......34 SKF MicroVibe P TOC - 1 User Manual...
  • Page 12 Edit Hierarchy.............. 10 Save Data..............13 Accel Fmax..............15 Database ..............17 Units................18 Dictionary..............19 Version .................20 Troubleshooting Troubleshooting ............1 Specifications General Specification............ 1 Measurement Specifications ........3 Additional Product Information......... 15 TOC - 2 SKF MicroVibe P User Manual...

  • Page 13: Introduction

    Introduction Overview The SKF MicroVibe P is a portable vibration meter expansion module that fits into a Pocket PC’s CF card slot (Type II). The MicroVibe P system consists of the MicroVibe P module, the MicroVibe P Pocket PC application (firmware), and the MicroVibe P Data Management Software application.
  • Page 14 Saved data is transferred to host computer using ActiveSync Data analysis and data record available when data is stored in common host • computer Abnormal bearing judgment function by enveloped acceleration (E3) mode • 1 - 2 SKF MicroVibe P User Manual...
  • Page 15 3 PDFs application manuals Hard Copy each CE Declaration of Confirmation Carrying Case **OPTIONAL** Optio CMSS Optional 3812 Velocity Sensor, with 5 ft (1.5 m) integral cable and plug, Sensitivity: 20 mV/in/sec, SKF MicroVibe P 1 - 3 User Manual...
  • Page 16 Introduction Overview The Pocket PC unit and Velocity Sensor (CMSS 3812) are not included. Figure 1. MicroVibe P Kit Components. 1 - 4 SKF MicroVibe P User Manual...

  • Page 17: Preparation

    Preparation MicroVibe P Overview Pocket PC with Installed MicroVibe P Module MicroVibe P module Pocket PC Unit Figure 2. Example Pocket PC With MicroVibe P Installed. SKF MicroVibe P 2 - 5 User Manual...
  • Page 18 Pickup cable is connected. Earphone, output cable, etc. are connected. Pocket PC Connector Shape: Conforms to Pocket PC’s CF card Expansion slot. ( Type II) Figure 3. MicroVibe P / Pocket PC Diagram. 2 - 6 SKF MicroVibe P User Manual...
  • Page 19 Press the four-direction cursor button up, down, left, or right to navigate the cursor focus on the screen. up/down/left/right 4 - direction navigation button select button The cursor button's center button is the select button. SKF MicroVibe P 2 - 7 User Manual...

  • Page 20: Installing The Microvibe P Pocket Pc Application

    ActiveSync Version section. • Click the MicroVibe P firmware Install button. Double-click the setup.exe file, as instructed, to launch the installation wizard. • Follow the on-screen instructions to install MicroVibe P firmware. 2 - 8 SKF MicroVibe P User Manual...
  • Page 21 On the About Microsoft ActiveSync dialog, confirm the version number. If the version is 3.xx.x, then install ActiveSync 3.x at Setup selection. Figure 5. ActiveSync’s About Microsoft ActiveSync Dialog for Version 3.x.x. SKF MicroVibe P 2 - 9 User Manual...
  • Page 22 Preparation Installing the MicroVibe P Pocket PC Application • If 4.xx.x is shown, then install 4.xx at Setup selection. Figure 6. ActiveSync’s About Microsoft ActiveSync Dialog for Version 4.x.x. 2 - 10 SKF MicroVibe P User Manual...
  • Page 23 The installation process begins and the first installation screen displays. • Click OK to continue installing MicroVibe P. Figure 8. Installation Screen 2. • When prompted, click Yes to install SKF MicroVibe P in the default directory. SKF MicroVibe P 2 - 11 User Manual...
  • Page 24 If a previous version of MicroVibe P is detected on the Pocket PC, the following screen displays. Figure 11. Pocket PC's Confirm File Replace Screen. • When prompted, click Yes or Yes To All to replace previous MicroVibe P files with the new installation. 2 - 12 SKF MicroVibe P User Manual...
  • Page 25 If it is not already turned on, turn on the Pocket PC. • Locate the MicroVibe P icon in the Start menu's Programs directory. • With the stylus, tap the MicroVibe P icon . SKF MicroVibe P 2 - 13 User Manual...

  • Page 26: Sensor Setting

    Use the Utility Menu’s Units option to select either English or Metric measurement • units. • Use the Utility Menu’s Accel fmax option to set fmax for acceleration overall vibration (the measurement upper frequency limit). FFT measurements provide an fmax setup option. 2 - 14 SKF MicroVibe P User Manual...

  • Page 27: General Operation

    OA Vib. Meas. (Overall Vibration Measurements) • Tap the OA Vib. Meas. button to display the vibration level (overall value) measurement screen. FFT / WV Analysis (Fast Fourier Transformation Spectrum Analysis / Waveform Value Analysis) SKF MicroVibe P 3 - 1 User Manual...

  • Page 28: Using The Vibration Sensor

    Hold the vibration sensor against the object to be measured. Tap the MicroVibe P’s measurement Start button to initiate measurement collection. measured object Proper Way to Hold Vibration Sensor Against Object. Ensure the correct direction and angle of the sensor. 3 - 2 SKF MicroVibe P User Manual...
  • Page 29 Pressing from bottom Examples of Proper and Improper Ways to Hold Sensor Against Object. • SKF Reliability Systems recommends the use of a magnet for waveform measurement and long term frequency analysis. Do not move sensor during measurement. Vibration Practices, Most Effective to Least Effective from Left to Right.

  • Page 30: Using The Pu Out Connector

    Hierarchy screen's selection window. Tap the Hierarchy button to display the Hierarchy screen. This screen can be displayed using the Hierarchy button from either the Measurement screen or the Save Data screen. 3 - 4 SKF MicroVibe P User Manual...
  • Page 31 Working with the Hierarchy Plant icon Machine icon Selected Point Point icon Figure 14. The Hierarchy List Screen. From the hierarchy list, select the point with which you wish to associate your current measurement data. SKF MicroVibe P 3 - 5 User Manual...
  • Page 32 Using the stylus, tap the + or – icons to expand or contract the active hierarchical structure. To select a point: • Using the stylus, tap the point icon. Since points must branch from machines, tap to select the "parent" machine. 3 - 6 SKF MicroVibe P User Manual...
  • Page 33 Hard Key Operation A button Same as OK button B button – Same as Cancel button. C button – Same as Clear button. D button – Same as Edit button. SKF MicroVibe P 3 - 7 User Manual...

  • Page 35: Overall Vibration Measurements

    To perform an overall vibration measurement: • Tap the Main Menu's OA Vib. Meas. option. The Overall Vibration Measurement screen displays. Figure 16. Selecting the Overall Vibration Measurement Screen. SKF MicroVibe P 4 - 1 User Manual...
  • Page 36 Information on the Overall value measurement screen includes: Hierarchy Button Tap to display the equipment hierarchy. Tap to display the Meas. Setup screen. Rec. No. Displays the measurement data's assigned record number. The number is automatically sequentially assigned. Duration 4 - 2 SKF MicroVibe P User Manual...
  • Page 37 RMS (root mean square value) Displays the Root mean square value. The square root of the average of the squared values of each momentary measured value during measurement time (range). ∫ Vrms SKF MicroVibe P 4 - 3 User Manual...
  • Page 38 Measurement Status Displays the Measurement Status. Start Tap the Start button to begin the measurement. Busy… Displays while the MicroVibe P is performing the measurement. Done Displays when the measurement is complete. 4 - 4 SKF MicroVibe P User Manual...
  • Page 39 A button :Starts measurement (Measurement button) B button :Displays the Save Data screen (Save button) C button :Displays the Judge option's menu screen (Judge button) D button :Displays the Main Menu screen (Menu button) SKF MicroVibe P 4 - 5 User Manual...

  • Page 40: Measurement Setup - Overall Value Measurements

    Displacement (D), and Enveloped Acceleration (E). For example, if you are only interested in the velocity measurement, click the checkbox to enable single measurement, and then select the V mode selection button to specify velocity. 4 - 6 SKF MicroVibe P User Manual...

  • Page 41: Performing The Overall Measurement

    The measurement status area displays measurement status as either Busy… (the MicroVibe P is performing the measurement) or Done ( the measurement is complete). When complete, the measurement results display. Figure 19. The Measurement Status Area. SKF MicroVibe P 4 - 7 User Manual...

  • Page 42: Vibration Level Judgment

    ISO Evaluation option • Tap to display the ISO Vibration Evaluation screen. Available for velocity measurements only. Bearing Evaluation option • Tap to display the Bearing Evaluation screen. Available for enveloped acceleration measurements only. 4 - 8 SKF MicroVibe P User Manual...
  • Page 43 Information button If unsure of the proper machinery classification use the Information button (?) button for a more detailed description of the ISO standard. Hard Key Operation SKF MicroVibe P 4 - 9 User Manual...
  • Page 44 Select the Classification according to the inner diameter of bearing and the rotational number of the shaft. If unsure of the proper machinery classification, press the Information (?) button for a more detailed description of the Bearing Evaluation. 4 - 10 SKF MicroVibe P User Manual...
  • Page 45 :Dia. between 200 and 500 mm shaft speed :Speed<500rpm (b) Class2 bearing bore diameter :Dia. between 50 and 300 mm shaft speed :Speed between 500 and 1800 rpm (c) Class3 SKF MicroVibe P 4 - 11 User Manual...
  • Page 46 Information button If unsure of the proper machinery classification use the Information button (?) button for a more detailed description of the Bearing Evaluation. Hard Key Operation A button Same as OK 4 - 12 SKF MicroVibe P User Manual...

  • Page 47: Saving Overall Measurement

    Use the stylus and Pocket PC keyboard to enter the machine name you wish to associate with the saved data, if applicable, or tap the Hierarchy button to select the machine from the hierarchy list. Point Name SKF MicroVibe P 4 - 13 User Manual...
  • Page 48 Utilities menu's Sensor screen. Refer to the Utility Menu / Sensor section later in this manual for more information on sensor settings. To perform simultaneous measurement and analysis: • Tap Main Menu's FFT WV Analysis option. 4 - 14 SKF MicroVibe P User Manual...

  • Page 49: Fft Waveform Analysis

    To set up the FFT Spectrum and Waveform analysis measurement: Tap the measurement screen's Set button to display the Meas. Setup screen for FFT WV analysis. Figure 25. The FFT Measurement Setup Screen. Mode Select the appropriate mode. Options include: Normal SKF MicroVibe P 4 - 15 User Manual...
  • Page 50 Delay (% Meas. Time) – Set the trigger delay from the drop down list (0-50%). The trigger delay is set as a percentage of your specified measurement waveform time. 4 - 16 SKF MicroVibe P User Manual...
  • Page 51 Frame Time Displays the waveform time frame for 1-cycle (average) FFT measurement. The frame time is calculated using the following formula: Frame time = number of lines --------------------- number of averages end frequency SKF MicroVibe P 4 - 17 User Manual...

  • Page 52: Fft Spectrum Analysis

    The measurement process begins immediately once the Start button is pressed. Ensure the sensor is properly placed before pressing the Start button. FFT Spectrum analysis Information on the FFT analysis screen includes: 4 - 18 SKF MicroVibe P User Manual...
  • Page 53 Use these buttons to scroll the graph to the right or left. The scroll buttons are only active when the graph is magnified. button scrolls the graph to the left. button scrolls the graph to the right. SKF MicroVibe P 4 - 19 User Manual...
  • Page 54 To move the cursor: Use the stylus to tap the cursor anchor and drag the cursor to the desired location. • The cursor position value displays in the X1 or X2 field. 4 - 20 SKF MicroVibe P User Manual...

  • Page 55: Displaying The Highest Five Frequency Components (High5 Feature)

    The FFT Measurement screen's High5 feature identifies and displays frequency and amplitude information for the FFT's five highest amplitude frequency components, and allows you to quickly place FFT cursors at these frequencies. SKF MicroVibe P 4 - 21 User Manual...
  • Page 56 OK. The FFT measurement screen displays again, with the cursor automatically positioned on the specified peak. You can display any two of the available five frequencies at one time, using the two available cursors. 4 - 22 SKF MicroVibe P User Manual...
  • Page 57 Using Zoom to Change X – Scale Tap the zoom in button to magnify the graph to x2 times. Each time you tap the Zoom In button, the graph is magnified x2. SKF MicroVibe P 4 - 23 User Manual...
  • Page 58 Use the y-axis plus and minus buttons to change the y-axis scale. Magnify scale. Reduce scale Using the FFT Spectrum Dual Cursor • Tap the cursor button to display the cursor and confirm the indicated cursor position value. 4 - 24 SKF MicroVibe P User Manual...
  • Page 59 Displays the value corresponding with the cursor positions. Green cursor value Blue cursor value Diff Displays the difference between Drag this part to move the cursor. Figure 30. FFT Dual Cursor Display. SKF MicroVibe P 4 - 25 User Manual...

  • Page 60: Saving The Fft Measurement

    Use the stylus and Pocket PC keyboard to enter the machine name you wish to associate with the saved data, if applicable, or tap the Hierarchy button to select the machine from the hierarchy list. Point Name 4 - 26 SKF MicroVibe P User Manual...
  • Page 61 Tap this button to save the measurement into the database, and return to the measurement results screen. Hard Key Operation A button Same as Save & New button B button – Same as Cancel button. D button – Same as Save & Continue button. SKF MicroVibe P 4 - 27 User Manual...

  • Page 62: Waveform Analysis

    Tap to display two line cursors. The cursor values display in the X1and X2 fields. Zoom Display buttons Use these buttons to change the X-axis scale magnification. button magnifies the graph to x 2. button reduces the graph to x 1/2. Right/ Left Scroll button 4 - 28 SKF MicroVibe P User Manual...
  • Page 63 Y – Scale - Displays the amplitude range of the displayed data. To change the Y-axis Scale • Use the y-axis plus and minus buttons to change the y-axis scale. Magnify scale. Reduce scale To move the cursor: SKF MicroVibe P 4 - 29 User Manual...
  • Page 64 Using Zoom to Change X – Scale Tap the zoom in button to magnify the graph to x2 times. Each time you tap the Zoom In button, the graph is magnified x2. For example; 4 - 30 SKF MicroVibe P User Manual...
  • Page 65 Use the y-axis plus and minus buttons to change the y-axis scale. Magnify scale. Reduce scale Using the Waveform Dual Cursor Tap the cursor button to display the cursor and confirm the indicated cursor • position value. SKF MicroVibe P 4 - 31 User Manual...
  • Page 66 Green cursor value Blue cursor value Diff Displays the difference between the X1 value and X2 value Drag this part to move the cursor. Figure 33. Waveform Dual Cursor Display. 4 - 32 SKF MicroVibe P User Manual...
  • Page 67 With cursors displayed at the desired locations, tap the button to display the overall value between the X1 and X2 cursors. Overall value between cursors Figure 34. Waveform with Overall Value Between Cursors Displayed. SKF MicroVibe P 4 - 33 User Manual...

  • Page 68: Saving The Waveform Measurement

    Use the stylus and Pocket PC keyboard to enter the machine name you wish to associate with the saved data, if applicable, or tap the Hierarchy button to select the machine from the hierarchy list. 4 - 34 SKF MicroVibe P User Manual...
  • Page 69 Mode Measured date 2003/09/17 (September 17,2003) is, by default, saved with the filename 8A030917.wav. To save the file with a different name, tap the Change button and enter in the new name SKF MicroVibe P 4 - 35 User Manual...
  • Page 70 Tap this button to save the measurement into the database, and return to the current measurement's results screen. Hard Key Operation A button Same as Save & New button B button – Same as Cancel button. D button – Same as Save & Continue button. 4 - 36 SKF MicroVibe P User Manual...

  • Page 71: Notes

    The MicroVibe P's Notes feature allows you to assign notes to machines and points, and store these notes in the database. To create and assign a new note: • Tap the Main Menu display’s Notes button. The Notes screen displays. Figure 37. Displaying the Notes Screen. SKF MicroVibe P 5 - 1 User Manual...
  • Page 72 Use the stylus and Pocket PC keyboard to enter up to five notes in the notes fields. Use the larger Note window to enter longer, more descriptive notes as necessary. • Tap the Add button to save the note and assign it to the selected machine or point. 5 - 2 SKF MicroVibe P User Manual...
  • Page 73 Tap the OK button to save your changes. To delete an existing note: • Tap the appropriate note's ID number to select it. • Tap the Delete button. • Confirm the deletion when prompted. SKF MicroVibe P 5 - 3 User Manual...
  • Page 74 MicroVibe P Notes Feature Hard Key Operation A button Same as Add button. B button – Same as Edit button. C button – Same as Delete button. D button – Same as Cancel button. 5 - 4 SKF MicroVibe P User Manual...

  • Page 75: Microvibe P Utilities Menu

    Edit Hierarchy Tap to display the Edit Hierarchy screen, which allows you to add, edit, or delete hierarchy items. Save Data Tap to display the Saved Data List screen. Accel Fmax SKF MicroVibe P 6 - 5 User Manual...
  • Page 76 Version Tap to displays information about the MicroVibe P, including version information. Menu button Tap to return to the Main menu screen. Hard Key Operation D button – Same as Menu button. 6 - 6 SKF MicroVibe P User Manual...

  • Page 77: Sensor

    Pocket PC keyboard. Refer to the sensor’s documentation for specific sensor sensitivity settings. Hard Key Operation A button – Same as OK button. B button – Same as Cancel button. SKF MicroVibe P 6 - 7 User Manual...

  • Page 78: Memory

    MicroVibe P Utilities Menu Memory Memory The Memory utility allows you to view the available memory, and the number of stored OA, FFT, and WV measurements. 6 - 8 SKF MicroVibe P User Manual...

  • Page 79: Memory Check Screen

    For example, FFT 3/1000 rcd indicates the MicroVibe P has three FFT measurement stored out of a possible 1000 FFT measurement capacity. Hard Key Operation A button – Same as OK button. SKF MicroVibe P 6 - 9 User Manual...

  • Page 80: Edit Hierarchy

    The Edit Hierarchy utility allows you to view the equipment hierarchy, and add, edit, or delete plants, machines, and measurement points. Plants must branch from the equipment (top-level) hierarchy item. Machines must branch from plants, and points must branch from machines. 6 - 10 SKF MicroVibe P User Manual...
  • Page 81 For example, to add a new plant, tap on the Equipment level hierarchy item. To add a new point, tap on the appropriate machine level hierarchy item. Tap the Add button. • SKF MicroVibe P 6 - 11 User Manual...
  • Page 82 From the lower area, tap the hierarchy item you wish to delete. • Tap the Delete button. • Confirm the deletion when prompted. Hard Key Operation A button – Same as OK button. 6 - 12 SKF MicroVibe P User Manual...

  • Page 83: Save Data

    FFT, only FFT measurements will display in the Save Data list until the setting is cleared. Hierarchy - Tap the hierarchy icon to display the hierarchy list. From the hierarchy list, select a hierarchy item and tap the Select button. The selected hierarchy item displays in SKF MicroVibe P 6 - 13 User Manual...
  • Page 84 The Saved Data's Measurement Screen. Use the left and right arrow buttons < > to scroll through the saved • measurements. Tap the info button to display the Data Information for the current measurement. • 6 - 14 SKF MicroVibe P User Manual...

  • Page 85: Accel Fmax

    The Accel Fmax utility allows you to set the fmax for acceleration (A) overall vibration (the measurement upper frequency limit). FFT &WV measurements allow fmax setting. To set the Accel Fmax: • Tap the Utility menu's Accel Fmax button. The Accel Fmax Setting screen displays. SKF MicroVibe P 6 - 15 User Manual...
  • Page 86 Tap to return to the default value of 15,000Hz. Hard Key Operation A button – Same as OK button. B button – Same as Restore button. C button – Same as Cancel button. 6 - 16 SKF MicroVibe P User Manual...

  • Page 87: Database

    Tap to return the Database folder path to \Program Files\MicroVibe P\DataBase. Pocket PC/SD Card Select to save .wav files to either the Pocket PC's main built-in memory or the SD Card memory. SKF MicroVibe P 6 - 17 User Manual...

  • Page 88: Units

    The Units utility allows you to specify either Metric or English vibration measurement units. The default setting is Metric. Figure 47. The Units Screen. Hard Key Operation A button – Same as OK button. B button – Same as Cancel button. 6 - 18 SKF MicroVibe P User Manual...

  • Page 89: Dictionary

    Enter the first letter of the topic you wish to explore. All topics beginning with the entered letter display. To browse through search results: Tap the > or < buttons to sequence through matching topics.. • SKF MicroVibe P 6 - 19 User Manual...

  • Page 90: Version

    MicroVibe P Utilities Menu Version Version The Version utility allows you to view the MicroVibe P's version number. Figure 49. The MicroVibe P Version Screen. 6 - 20 SKF MicroVibe P User Manual...

  • Page 91: Troubleshooting

    Ensure the sensor cable's modular connector is inserted correctly. • Ensure the sensor in use matches the sensor specified in the Utility Menu’s Sensor Sensitivity Setting. Ensure the sensor sensitivity is set to the correct value. • SKF MicroVibe P 7 - 1 User Manual...
  • Page 92 Troubleshooting Troubleshooting User Notes 7 - 2 SKF MicroVibe P User Manual...

  • Page 93: Specifications

    Conforms to CF Card TYPE II , Card Type, See next page Color Black *1: ICP type pre-amp built-in accelerometer is not connected. When accelerometer (charge output) is used, connect via charge amplifier. SKF MicroVibe P 8 - 1 User Manual...
  • Page 94 Specifications General Specification Dimensions 8 - 2 SKF MicroVibe P User Manual...

  • Page 95: Measurement Specifications

    0~ 200 mm/s (x5 range) 0~1000 mm/s (x1 range) 0~ 50μm (x100 range) 0~ 250μm (x20 range) 0~1000μm (x5 range) 0~5000μm (x1 range) *1: The upper bound frequency can be changed by Utility Menu’s A Filter. SKF MicroVibe P 8 - 3 User Manual...
  • Page 96 Measured value display digit : Significant figure 4digit Ex.9999/999.9/99.99/9.999 Status display (under measurement, measurement end) Judgment Abnormal judgment by vibration severity standard (ISO-10816 [JIS-B-0906] standard) Abnormal bearing judgment by Enveloped Acceleration E3 mode 8 - 4 SKF MicroVibe P User Manual...
  • Page 97 Trigger Function Trigger: Input signal trigger Trigger level :0/10/20/30/40/50/60/70/80/90 % Specify % of the used range Delay :0/10/20/30/40/50 % Specify % of the specified waveform measurement time Status Display: During measurement, Measurement end SKF MicroVibe P 8 - 5 User Manual...
  • Page 98 ~20º ~ 80º C Material Weight 60 g approx. Mounting Screw M6, P=1, depth 5, internal thread ﾞ Cable Direct leading 4, 1.5 m Connector 8-pin modular plug Dimensions See next page Structure Dust-proof, spray-proof 8 - 6 SKF MicroVibe P User Manual...
  • Page 99 Specifications Measurement Specifications CMSS 3811 - Dimensions 1.5m SKF MicroVibe P 8 - 7 User Manual...
  • Page 100 Measurement Data = RMS value, PEAK value, C.F value Measured value display digit: Significant figure 4digit Ex.9999/999.9/99.99/9.999 Status display (under measurement, measurement end) Judgment Abnormal judgment by vibration severity standard (ISO-10816 [JIS-B-0906] standard) 8 - 8 SKF MicroVibe P User Manual...
  • Page 101 Trigger Function Trigger: Input signal trigger Trigger level :0/10/20/30/40/50/60/70/80/90 % Specify % of the used range Delay :0/10/20/30/40/50 % Specify % of the specified waveform measurement time Status Display: During measurement, Measurement end SKF MicroVibe P 8 - 9 User Manual...
  • Page 102 Specifications Measurement Specifications Graph Display FFT graph Dominant frequency component highest High5 display Cursor indication value display Zoom scroll display Waveform graph Cursor indication value display Zoom.scroll display 8 - 10 SKF MicroVibe P User Manual...
  • Page 103 -10~50° C Material (case) Weight 140 g approx. Mounting Screw M6,P=1,depth, 5 internal thread 、 Cable Direct leading 4, 1.5 m Connector 8-pin modular plug Dimensions See next page Structure Dust-proof, spray-proof SKF MicroVibe P 8 - 11 User Manual...
  • Page 104 Specifications Measurement Specifications CMSS 3812 - Dimensions 1.5m 25.8 8 - 12 SKF MicroVibe P User Manual...
  • Page 105 Vibration level (OA (CMSS 3811) dynamic Velocity value) measurement Velocity Sensor Standard Velocity (V) value (CMSS 3812) Accelerometer Vibration level (OA IMD Roller Bearing (CMSS 3811) value) measurement Vibration Evaluation Velocity (B) value SKF MicroVibe P 8 - 13 User Manual...
  • Page 106 Range (mm/s) at the range limits 0.28 0.45 0.71 1.12 11.2 Appendix A Vibration Severity Small Class I machine Medium size Class II machine Large Class III machine Turbo Class IV machine 8 - 14 SKF MicroVibe P User Manual...

  • Page 107: Additional Product Information

    Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense. SKF MicroVibe P 8 - 15 User Manual...

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