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Summary of Contents for VMI X-Viber
- Page 1 Instrument Manual Ver. 1.01 12 April 2007 GlobalTestSupply www. .com d Quality Products Online at: sales@GlobalTestSupply.c...
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Page 2: Table Of Contents
OUTE SETTINGS MENU OFF ROUTE MEASUREMENTS ..................9 MAIN MENU ..................... 10 SETTINGS ..................10 EASUREMENT SETTINGS MENU ........................11 OTAL LEVEL THE TOTAL VALUE SETTINGS MENU ................. 12 X-Viber manual GlobalTestSupply www. .com d Quality Products Online at: sales@GlobalTestSupply.c... - Page 3 SCHEMATIC OF THE VIBRATION INPUT ..............38 BATTERY ........................38 INSTRUMENT INFO MENU .................... 39 ......................40 ACKUP BATTERY RESETTING THE INSTRUMENT ..................40 X-VIBER DEFAULT SETTINGS AFTER RESTART ............41 X-Viber manual GlobalTestSupply www. .com d Quality Products Online at:...
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Page 4: Handling Security
Warranty disclaimer VMI AB warrants the products to be free from defects in material and workmanship under normal use and service within two years from the date of purchase and which from our examination shall disclose to our reasonable satisfaction to be defective. -
Page 5: Declaration Of Conformity
Declaration of conformity Declaration of Conformity Equipment: X-Viber VMI AB declares that the X-Viber is manufactured in conformity with national and international regulations. The system complies with and is tested according to, following requirements: EMC Directive: 89/336/EEC Low Voltage Directive: 73/23/EEC including amendments by Directive 93/68/EEC. -
Page 6: Switching The Instrument On And Off
Introduction Thank you for buying X-Viber: We have put a lot of efforts to make this instrument easy to use and to give you valuable measuring results. The instrument is manly intended for predictive maintenance work without the need for frequency analysis and “expert”... -
Page 7: Route Measurement
“Autoranging” appear. measurement of the same point. Waite until this message disappears before pressing the OK button. Press the OK button to save the measurement and move to next measurement. X-Viber manual GlobalTestSupply www. .com d Quality Products Online at: sales@GlobalTestSupply.c... -
Page 8: Ameasured Point In The Route
Note! Because it is impossible to re-calculate a total velocity value to acceleration or displacement X-Viber is always measuring and storing all these three values on the same measuring point. These three values are also transferred to the X-Trend software so the user can change the unit at a later stage. -
Page 9: Temperature Measurements In The Route
To compensate for this the emissisivity factor can be changed but must be set in the Temperature Settings in X-Trend and can not be adjusted in the Route. Warning! X-Viber manual This instrument is radiating laser light. Do not stare into the beam and do not direct the laser beam to someones face. -
Page 10: Speed In The Route
Select the level you want to move within by moving the black line with the Up or Down buttons. The higher level you choose the larger is the steps in the Route. X-Viber manual GlobalTestSupply www. .com d Quality Products Online at:... -
Page 11: Re-Measure A Single Point In The Route
Go to the line Spectra: With the Left or the Right button select YES and press OK. Press the Escape button twice to come back to the main menu X-Viber manual GlobalTestSupply www. .com d Quality Products Online at: sales@GlobalTestSupply.c... -
Page 12: Delete All The Measurements In The Route
MAIN MENU to Communication and press the OK button. This message will appear if the communication fails. Check that the cables are connected and that the USB driver for X-Viber is installed. X-Viber manual GlobalTestSupply www. .com d Quality Products Online at:... -
Page 13: The Route Settings Menu
YES. The X-Viber will not store the spectra in route if NO is selected. Note! You can not see a spectrum in route in the X-Viber, but after transferring to the SpectraPro software it is available. Press the ESC button to exit to the normal route function. -
Page 14: Off Route Measurements
1000Hz of the low pass filtered and rectified high frequencies between 500 to 7200Hz. You can select between different frequency ranges. Speed, X-Viber is remotely measuring the shaft speed between 30 to 12000 rpm by sensing the infrared reflex from a target on the shaft. The target can be any reflex tape. -
Page 15: Main Menu Settings
Press the Left or Right button to change the settings. Change the sensitivity mV/unit so it corresponds to the connected transducer sensitivity. X-Viber manual GlobalTestSupply www. .com d Quality Products Online at: sales@GlobalTestSupply.c... -
Page 16: Total Level
Total level Move the line with the Up or the Down button to Total value. Press the OK button and the X-Viber starts to measure. This part of the window shows the actual vibration level. The measured value is compared with the alarm level. -
Page 17: The Total Value Settings Menu
Press the ESC or OK button to exit to the Total level function. Press the ESC button to leave the Total level function and go back to the Measurement menu. X-Viber manual GlobalTestSupply www. .com d Quality Products Online at: sales@GlobalTestSupply.c... -
Page 18: Bearing Condition
Use a low frequency range at slow rotating (below 600rpm) machines and a high frequency range at high speed (above 6000rpm) machines. Press the AUX button to hold the measurement. Press the AUX button again or the Ok button to continue measuring. X-Viber manual GlobalTestSupply www. .com d Quality Products Online at:... -
Page 19: Recommended Bearing Condition Levels
(e.g. by misalignment, or large belt forces). Compare this value with Envelope value and the bearing temperature. If all are high or pointing upwards in the trend analysis you might have a bearing problem. X-Viber manual GlobalTestSupply www. .com d Quality Products Online at: sales@GlobalTestSupply.c... -
Page 20: Bearing Condition Settings Menu
Press the ESC or OK button to exit to the Bearing settings menu. Press the ESC button to leave the Bearing condition function and go back to the Main menu. X-Viber manual GlobalTestSupply www. .com d Quality Products Online at: sales@GlobalTestSupply.c... -
Page 21: Envelope
Envelope Move the line with the Up or the Down button to Envelope. Press the OK button and the X-Viber starts to measure. This part of the The measured window shows the value is actual vibration level. compared with the alarm level. -
Page 22: Envelope Settings Menu
Changes the Alarm level Press the ESC or OK button to exit to the Envelope function. Press the ESC button to leave the Envelope function and go back to the Measurement menu. X-Viber manual GlobalTestSupply www. .com d Quality Products Online at: sales@GlobalTestSupply.c... -
Page 23: Speed
Speed Move the line with the Up or the Down button to Speed. Press the OK button and the X-Viber starts to measure. This part of the window shows the The measured value is actual speed. compared with the alarm level. -
Page 24: Speed Settings Menu
Changes the high Alarm level Press the ESC or OK button to exit to the Speed function. Press the ESC button to leave the Speed function and go back to the Measurement menu. X-Viber manual GlobalTestSupply www. .com d Quality Products Online at: sales@GlobalTestSupply.c... -
Page 25: Temperature
Temperature Move the line with the Up or the Down button to Temperature. Press the OK button and the X-Viber starts to measure. This part of the The measured window shows the value is compared actual temperature. with the alarm level. - Page 26 0.04 It is very difficult to get an accurate temperature reading on untreated metals. A coating like paint, oil or emission adhesive tape applied to the object will considerably improve the accuracy of the measurement. X-Viber manual GlobalTestSupply www. .com d Quality Products Online at: sales@GlobalTestSupply.c...
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Page 27: Temperature Settings Menu
Changes the high Alarm level Press the ESC or OK button to exit to the Temperature function. Press the ESC button to leave the Temperature function and go back to the Measurement menu. X-Viber manual GlobalTestSupply www. .com d Quality Products Online at: sales@GlobalTestSupply.c... -
Page 28: How To Interpret Vibration Levels
This machine is considered flexible. A resonance can easily be found when a flexible machine is running up or down in speed. The resonances are located at the rpm´s where the vibration has a local maximum level. X-Viber manual GlobalTestSupply www. .com d Quality Products Online at: sales@GlobalTestSupply.c... - Page 29 The next logical step is therefore to apply filtering of the transducer signal to learn the frequency behind the vibration and thus the mechanical fault. Use the Analysis function to find the cause of the vibrations. X-Viber manual GlobalTestSupply www.
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Page 30: Looseness
Very large vibrations and high noise levels. This is detrimental to the safe operation of the machine. Stop operation if technically or economically possible considering the plant stop cost. No known machine will withstand this level without internal or external damage. Reduce any further running time to an absolute minimum. X-Viber manual GlobalTestSupply www. .com d Quality Products Online at: sales@GlobalTestSupply.c... -
Page 31: Resonance
A TEMPORARY AND SOMETIMES PERMANENT SOLUTION TO A RESONANCE PROBLEM IS TO CHANGE THE SHAFT SPEED OF THE MACHINE, IF POSSIBLE. X-Viber manual GlobalTestSupply www. .com d Quality Products Online at: sales@GlobalTestSupply.c... -
Page 32: Analysis
Move the line with the Up or the Down button to Analysis. Press the OK button and the X-Viber starts to measure. The analysis window is used when the vibration has to be analysed more in detail and at balancing. - Page 33 With this function you can find the cause of the vibration by comparing the measured frequencies with calculated fault frequencies. Use lowest possible frequency range this will increase the accuracy of the frequency measurement. X-Viber manual GlobalTestSupply www. .com d Quality Products Online at:...
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Page 34: Analysis Settings Menu
Changes the unit for frequency Press the ESC button to exit to the Analysis function. Press the ESC button to leave the Analysis function and go back to the Measurement menu. X-Viber manual GlobalTestSupply www. .com d Quality Products Online at: sales@GlobalTestSupply.c... -
Page 35: Balancing
Balancing Balancing with X-Viber First check that dominating vibration is caused by an unbalance. The 1-FILTERED vibration should have the same frequency or Hz as the running speed of the machine. Do not change the position of the vibration transducer after the start of the balancing procedure. - Page 36 Note this vibration as reading 3. In this example we added 40grams at the radius 320mm in position 180°. The vibration becomes 21.34mm/s and the speed was almost the same 2953rpm. X-Viber manual GlobalTestSupply www. .com d Quality Products Online at: sales@GlobalTestSupply.c...
- Page 37 D. The angle position of the balancing weight is the angle () in the left corner of the figure between line and base line A. In our example the angle () is measured to be 38°. X-Viber manual GlobalTestSupply www. .com d Quality Products Online at:...
- Page 38 2-FILTERED to find the same frequency as the running speed. The balancing may be stopped when the highest radial direction is below 3 mm/s rms. X-Viber manual GlobalTestSupply www. .com d Quality Products Online at: sales@GlobalTestSupply.c...
- Page 39 The vibrations in these cases are not caused by an unbalance. You are trying to balance a machine where the unbalance is very small and where the vibration comes from other faults, e.g. misalignment, gearbox, cavitations in pumps etc. X-Viber manual GlobalTestSupply www.
- Page 40 In our example we added 40 grams at 320 mm radius and the vibration became = 9.2 mm/s. R=9,2 Draw a circle proportional to with the centre in position A, the red circle. X-Viber manual GlobalTestSupply www. .com d Quality Products Online at: sales@GlobalTestSupply.c...
- Page 41 In our example we moved the 40 grams at 320 mm radius to position and the vibration became 21.03 mm/s. Draw a circle proportional to with the centre in position C, the blue circle. R=21,03 X-Viber manual GlobalTestSupply www. .com d Quality Products Online at: sales@GlobalTestSupply.c...
- Page 42 The balancing may be stopped when the highest radial direction is below 3 mm/s rms. If you want to further improve the balancing status you must start from the beginning and use a smaller trial weight. X-Viber manual GlobalTestSupply www.
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Page 43: Schematic Of The Vibration Input
The instrument can be used with only the battery charger connected even when the battery pack is removed. Do not connect another type of charger. This might permanently destroy the instrument. X-Viber manual GlobalTestSupply www. .com d Quality Products Online at:... -
Page 44: Instrument Info Menu
114 points and 74 are measured. Battery too low This window will appear on top of any menu when the battery is The instrument will below 4.1 Volts switch off X-Viber manual GlobalTestSupply www. .com d Quality Products Online at: sales@GlobalTestSupply.c... -
Page 45: Backup Battery
RESETTING THE INSTRUMENT The following procedure must be followed to RESET the X-Viber Instrument: Switch OFF the instrument. Press and keep pressed both the ESC and OK buttons. -
Page 46: X-Viber Default Settings After Restart
X-VIBER default settings after restart SETTINGS DESCRIPTION DEFAULT VALUE SCREEN LCD contrast adjustment, a number from 1 to 10 Contrast LCD backlight – ON or OFF Backlight ENABLES or DISABLES automatic instrument power off, if no key is Power off pressed within a set time period of time. -
Page 47: Technical Data
Technical Data Transducers Standard vibration transducer Accelerometer type VMI199-28 Sensitivity 100mv/g max measuring range ±50g Frequency range (+/-3db) 0.5-15000Hz Resonance frequency 34000Hz Temperature range C … +121 Mounting Magnet holder, hand held or measuring pointer Cable length Vibration input electrical specifications Maximum input signal +/-5V Peak Sensitivity, standard settings...
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