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Vexo S User Manual

1. LED Colour Mode Output Yellow No Battery 6 4V Yellow Initialisation 30mA Orange Fast Charge 1 3A Green Yellow Top off Charge 160mA Green Trickle Charge 30mA Orange Green Error 30mA For safety only use the charging unit and battery pack supplied by Castle Page 30 Switching Your Vexo Meter On Off To turn on your instrument press and hold the Power On Off key for approximately two seconds Your meter will display the start up screen and initialise any saved settings The start up screen is shown below Serial No 067909 Once the start up sequence is complete the instrument is placed in its Stop State displaying the parameter measuring screen To turn off your instrument press and hold the Power On Off key for approximately three seconds and the following screen will be displayed 14 32 23 08 12 Release the Power On Off key to shut down Your Vexo meter is also equipped with an automatic shut down if no key is pressed for 3 minutes after power on If any key is pressed after the instrument is turned on then the automatic shutdown will not occur Page 31 Chapter 5 Menu Structure Whilst in Stop State press Uco open the Main Menu This key is also used to step back to the previous screen With the Main Menu screen open use O scroll down the list of available options 14 32 23 08 12 14 32 23 08 12 If the instrument has no files saved t
2. Casile GROUP Vexo S GA2006S Single Axis Vibration Meter Operating Manual www castlegroup co uk Vexo S Single Axis Vibration Meter Operating Manual Published by Castle Group Ltd Castle Group Ltd Salter Road Scarborough North Yorkshire YO11 3UZ UK Copyright O Castle Group Ltd 2012 All rights reserved No part of this publication may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without the prior permission of the copyright holder Printed in the UK RevA HB 2006 010 EL Thank you for buying a Castle product am sure you will find both the goods and the service to be of the highest quality but if not then please feel free to write to me personally and will ensure that your needs are dealt with immediately This manual is designed to show you the operation of the goods you have purchased and a very brief insight into vibration itself If you would like to become a competent person in the eyes of the law then you may like to know more about our Competent Persons training course for Human Vibration You can visit www castletrainingacademy com to find out more Castle Group has become the leading supplier of solutions for health and safety environmental compliance and plant maintenance and monitoring with an ever expanding offer comprising equipment for sale or rent residential or in house training
3. The instrument is displaying unexpected readings in one or more modes of operation The overload indicator is permanently on The overload indicator comes on before the top of the range is reached Recharge or replace the battery pack Turn the instrument Off wait 10 seconds to allow the instrument to reset and then turn back On Check the cable for possible damage or incorrect attachment to the transducer or instrument Are the sensitivity values entered correctly Ensure the transducer is fitted securely to the source of vibration Ensure cable is securely fastened Change to a higher range The overload indicator will also be shown if the input amplifier is saturated This is possible even if the displayed vibration reading on your instrument is below the top of the selected range because of the applied frequency weighting filter Page 81 Disclaimer Whilst every effort is made to ensure the accuracy and reliability of both the instrument described and the associated documentation Castle Group Ltd makes no representation or warranties as to the completeness or accuracy of this information Castle Group Ltd assumes no responsibility or liability for any injury loss or damage incurred as a result of misinterpreted or inaccurate information Any documentation supplied with your product is subject to change without notice Instrument Details For your records and for future correspondenc
4. You can pick any of our standard courses a shortened version as an awareness session or a toolbox talk or you can design your own course covering a large range of topics Visit our website for a list of ideas Castle Consultancy sometimes the comfort of using an independent expert can be extremely valuable whether that be for short term help Engineering project work or an on going support contract Castle consultants are always at the top of their game and are waiting to hear from you Have a look at our website or call on 01 723 984200 e Noise and Vibration COSHH n Assessments gt A e Light Temperature EMF Assessments Environmental Monitoring Expert Witness Diagnostic Engineering Engineering Control Solutions Risk Management Health Surveillance Services Health and Safety Department oupport Service v Castle Care Maintaining calibrations on measuring equipment is absolutely essential to the integrity of your data At Castle we can calibrate virtually anything you have that can measure We pride ourselves in fast as possible turnaround times and can normally give up front prices for almost any equipment Whether you have an anemometer or a zero g accelerometer then call us for a price on 01 723 584250 e lf tt Measures and can be done we ll Calibrate it e LUKAS Certificates Available e Multiple levels of Calibration Equipment Types Covered Air quality meters Air sampling pumps Air sampling c
5. e Let the Taxman Pay on Contracts e Try Before You Buy e 4weeks for the Price of 3 e No On going Maintenance If it exists we ll even source equipment for you www castlegroup co uk 01723 584250 Chapter 1 Introduction Vexo S GA2006S Single Axis Machine Monitoring Vibration Meter Thank you for purchasing your product from Castle Group Ltd The Vexo S single axis machine monitoring vibration meter brings simplicity looks value for money and power to the world of vibration monitoring Regular maintenance monitoring of machinery with a vibration meter can help stop excessive downtime and major repair costs later on The Vexo S is a powerful single axis vibration meter designed to ensure your machine condition monitoring and fault diagnostics are effective The instrument has three modes of operation Machine Monitoring Bearing Analysis and User defined Adhering to the current versions of ISO 10816 parts 1 3 and 7 has never been easier It boasts a clear easy to read colour LCD and has full data logging capabilities with fast USB downloading to your laptop or PC The Vexo incorporates internal Flash memory to store all your recordings and the data can then be transferred to the supplied software Vibdata LITE using the supplied USB cable or viewed onscreen Not only does the Vexo S vibration meter have all these features in a small and ergonimc case but it is also supplied with a rechargeable battery pack feat
6. ACCOIBPOLTIBEeD nai 67 Nomai Operating Mode iaa 68 Overload amp Under Range Triggering Points sss 68 E O O Et Mm E 68 Frequency WeightingS sn i ec t 69 Wes Flat Response mn 69 Wis LOW Pass Response 70 Wes LOW Pass Responsa rusa nennen 71 Eleetpi6alsignallnpub ner 72 Maximum Electrical Signal Input For No Damage sss 72 Environmental Stabilization TIMES a 72 Warmup ines aaa 72 setting TIM hen 72 Temperature Operating RAnge ceesccsscssssecsesesssssecessteseceestesesseceesteseseesteneeneeeeatees 72 Effect of Air TEMpPe rature c ccccsscsssssssscssssssssssssssssessssessssessssessssessssessssessssessssessss 73 Effect of Surface Temperature sensere three nennt 73 Real Time Blocks see ee ee 73 Digtal signal Processing nenne 73 Analogue to Digital Converter amp Mlicrocontroller sss 73 JISDIBU eau De E iE 73 METON oie do ooo doc nas 73 A REM 74 aze A A MUN NE 74 GORNeetoOnsar een 74 o A ain cavities tocar asso dueneuscnnveciacemRntuane 74 Wiring Configuration Micro USB B Socket 74 Battery Recharge A ceu nM REES UL UM UL 4 SSL RE TIN IS ROT RER MD MEN 73 DEE SICHT a a el 75 Wiring Configuration 3 Pole Jack Socket 3 9MM seere 79 ECG Declaration OF CoDTOPEITITO a ansehe 76 EHAPTER TE ee 77 F nekom EQUAGONS ui 77 CHAPTER Tari cadre nint asap 80 Customer Instrument Support ea ee ces telo
7. The symbols and associated colour coding are as follows Alarm Symbols and Colour Coding ox mers warning Danger Alarms for Bearing mode are based on the following Acceleration Unit g Page 59 ox Aem warning Danger Velocity Unit g ios Dara Vmax mm s Page 60 Machine select this mode for machine monitoring which is fixed to the frequency weighting VFL measuring Velocity The Machine Alarm uses three colour coded symbols to instantly show on the display the state of the alarm The symbols and associated colour coding are as follows Alarm Symbols and Colour Coding ox Ae warning Danger Alarms for Machine mode are based on the following Page 61 Pump select this mode for pump monitoring which allows recording in either Velocity or Displacement and is fixed to the frequency weighted filter WLP Whilst in Stop State use the key to scroll between Velocity and Displacement the recording will be based on the selection The Pump Alarm uses three colour coded symbols to instantly show on the display the state of the alarm The symbols and associated colour coding are as follows Alarm Symbols and Colour Coding Ok tere Warning Danger Alarms for Pump mode are based on the following 50 66 40 50 35 40 25 35 0 25 Velocity Category 2 200kW gt 200kW 6 1 8 5 5 1 6 1 4 2 5 1 Page 62 Unit um Pk Pk
8. 50 80 80 130 zo Page 63 User select this mode for general purpose vibration monitoring which allows recording in Acceleration Velocity or Displacement Any of the three available frequency weighting filters can be selected which are e WIP e WHP e WEL Whilst in Stop State use the key to scroll between Acceleration Velocity and Displacement the recording will be based on the selection No alarm screens are used whilst in User Mode Page 64 Chapter 7 Downloading Saved Recordings to a PC Using the supplied software VibdataLITE or VibdataPro available separately it is possible to download the stored recordings on your meter to your PC allowing the data to be viewed and printed in professional reports Communication between a PC and your Vexo meter is made via the USB connector at the top of your instrument The correct Castle Vexo USB driver will need to be installed on your PC and is automatically installed whilst installing VibdataLITE To ensure data does not become corrupt please ensure that Stop State is selected on the instrument before downloading saved recordings 1 Ensure the Vexo instrument is OFF Connect the Vexo instrument to the PC via the USB lead 3 Switch the Vexo instrument ON Your Vexo instrument is now ready to download data into VibdataPro For comprehensive instructions please refer to the VibdataPro user manual Page 65 Chapter 8 Accessories GA606 Vibration Cal
9. cd itu 80 Warranty and After Sales Service sesenta 80 A O A A pnta UU Ht 82 Instrument Detalsasne ee 82 Table of Figures Figure 1 Vibration DIFE leere 20 Figure 2 Rey Patel AV OU cra aee ee RE R 27 Lastle Group Ltd If you want to keep up to date with the latest in health and safety you should attend a Castle FREE seminar These are run around the country and cover a wide range of topics Packed with the latest information and delivered with the help of practical demonstrations these seminars are a great way to really learn something at the same time as collecting cpd points Go to the website below to find the lasts dates and venues and to see video clip samples www needeknow4free com Dedicated to professionals in Health and Safety Environmental Compliance and Plant Maintenance Engineering Castle set out to help you in a way that suits you best We can provide or rent equipment train you and your staff or we can carry out work on your behalf We can even mix it up to suit your way of working Measuring and Monitoring Instruments Equipment Rental Database and Data management Software Training Courses and In house Provision Calibration and Repair of Monitoring Equipment Consultancy for Health Safety Environment and Engineering Solutions e Online Knowledge www castlegroup co uk HEALTH AND SAFETY Compliance with legislation and mitigation of claims is really what health and s
10. courses consultancy services and equipment calibration If you would like to know more about any of our other products and services then please visit www castlegroup co uk or telephone us on 44 0 1723 584250 S5 Simon Bull Managing Director Note for Getting Started section please turn to Chapter 4 Precautions Only operate the instrument as described in this manual 9 These are precision instruments protect from shocks and physical extremes O Ambient conditions for the operation of the unit are as follows Temperature 10 C to 50 C Relative Humidity 25 to 90 Protect the unit from extremes of temperature and humidity direct sunlight and air with a high salt or sulphur content Always turn the unit off after use 9 Do not use any solvents or cleaning agents on the instrument Use only a soft dry cloth or a soft cloth lightly moistened with water when necessary e Do not allow any conductive objects such as wire or metal particles to enter the unit Do not try to disassemble the instrument or attempt any repairs as this will invalidate your warranty Take a note of the condition of the instrument and contact your authorised Castle service station O To ensure continued precision performance of your instrument have it checked and serviced at regular intervals Contacting Castle Group This manual contains complete operating instructions for the Castle Vexo S Vibration Meter read it caref
11. design and manufacture precision instruments which if treated with reasonable care and attention should provide many years of trouble free service In the unlikely event of a fault occurring with your product during the warranty period the instrument should be returned in its original packaging to Castle Group Ltd or to an authorised agent Please enclose a clear description of the fault to ensure your instrument is dealt with as quickly as possible Any misuse or unauthorised repairs will invalidate your warranty Damage to your product caused by faulty or leaking batteries is not covered by the warranty Details of the warranty cover are avallable upon request from Castle Group Ltd or your authorised agent All instruments designed and manufactured by Castle Group Ltd adhere to strict British and International standards To ensure your instrument remains compliant with these standards it is highly recommended that your instrument is returned annually for calibration Annual calibration is particularly important for cases in which instrument readings are to be used in litigation or compliance work For warranty or service please return your instrument to The Service Department Castle Group Ltd Salter Road Cayton Low Road Industrial Estate Scarborough North Yorkshire England YO11 3UZ Page 80 The instrument will not power on The Instrument is not responding on all or individual axis to inputted vibration levels
12. elite os 72 Transducer Mounting SINEIEAXIS Gendron Deinen 18 TUOI as as 31 E O 31 U Under Range use aos 24 56 68 A EEE E 40 UNETE VEXOS acia 51 V ju erem 15 VEXO USB DIV Saa Roe 65 Vipdata Esse isda nadia TUM 65 Vibration AXIAL VIDra ION dit 20 Measuring ne 17 Radial Vibration A o D SEE een ER ERE UNE sexa sb bd 20 W WA Ez In PING TTE een TTA 72 Wariano 80
13. in Stop State Exposure Points are not available when in Stop State Weighting Battery Level Measurements Readings for C F 4 34 m s only when Recording Use the key to scroll through the available integration methods Acceleration Velocity or Displacement The availability is dependant on the selected Mode of the instrument The parameters available in Stop State are e Arms Vrms Drms e Aeq Veg Deq e Peakor Pk Pk for Displacement Weighting and the range can be changed through the Main Menu To start a recording Record State press the ee key at any time Page 51 Record State Whilst the instrument is in the Record State the vibration activity is analysed and all parameters available on your instrument are calculated Hecord State is easily identified by the Record Symbol and the Recording Time in the top left hand corner of the screen It is not possible to enter the Menu system or turn the instrument off whilst in Hecord State Only parameters with the integration method selected in Stop State are available and recorded Weighting Integration Hecord Symbol amp Hecording Time 00 02 01 Wri j Measurements Battery Level 4 34 m s The parameters available in Record State are one set of the following Velocity Displacement BDeq Peak to Peak To end a recording press the ER key If File Naming is turned on then you will be prompted to ente
14. performance or function degradation is noticeable whilst subject to electrostatic discharge or a c power frequency and radio frequency fields under any operating condition with the meter and no differences in radio frequency emissions are apparent between operating modes where appropriate Approved cables for use with Castle Vexo meters to comply with these specifications Cable Order Code Vexo to PC USB 01ZL1108 01 The technical file for the above is maintained at Castle Headquarters hereby declare that the instruments named above have been designed to comply with the relevant sections of the above referenced specifications and that the above named instruments comply with all essential requirements of the specified Directives Simon Bull Managing Director Castle Group Ltd Salter Road Scarborough North Yorkshire YO11 3UZ August 2012 Page 76 Chapter 10 Function Equations The following table describes mathematically how the functions available on the Vexo Vibration Meter are calculated All calculations displayed are subject to rounding and or truncation aw ta d ta a 2 Acceleration bid T total integration time seconds a ta instantaneous acceleration value ta time seconds T 1 2 Aeq n Lf a ta d ta d Acceleration 9 807 T w O g T total integration time seconds a ta instantaneous acceleration value ta time seconds t l aw ta d ta lind 2 R
15. 8 Battery Madcat eusa E AAE EE 29 Recharging the Battery Pack ee 30 Switching Your Vexo Meter Or Olarra 31 CHAPTER 5 32 MENU SLEUCLURE MONET CNN MMC MOM MC ERE 32 MENO o nee 34 A ur egal ee 34 Else ee He 35 DE TEA ee ee ee een 35 OSI Today See een 36 opem 7 DVS E 37 Delete single Plena k a a tovto Dosen ter 38 Delete All Ries a oie ion BEE 39 CS UHI Kr PE 40 EELE R ATLE A A te Re A ET a ee ea 40 C O 40 AU e ell 41 A ee E 42 WI cr ai 42 Dates a a a a A 43 A riadas 43 MI a e 44 RN 44 Contigua raON sara 45 o A 45 Show Hesulls as este essen ALL Du OM IDA ttc 45 O A A A E A A 46 o NE T DUE 46 Ballbrabion RENE 47 Measurement cientes eub dat E bcn detis DNO T ecd 47 SENSE Denen 90 CHAPTER DS a oe e 51 Veng the Ve Sesam sea 51 HOP OLSEN a EEE EEE 51 PIB COPE State teuerste 52 o E E MEM 93 Sh ow hesils Wh et ake a en ae e e ceo tc haa 54 Alarms Dacia 55 Under Range Indicator oces ee erde realen ehe 56 Overload Indicator ee 57 Paramete SAA EL 58 RI A en RE ee 58 lia orina 58 AMI e O 58 A EE 58 Fo TR a A E S IE APAE S A EN a AS 58 E S E SE EE IL IM MM ICE M ME EEE S EEA I NEN 58 M deS O le 59 Bearn q po eocee es od Macias dolo idad 61 O 62 CS A O A AN 64 G AP TER 7 oa rt e dal ae a raue 65 Downloading Saved Recordings to a PC eee 65 GRAPTER scada tt a a ran dal loa EE M raue 66 ACCESSO a NA 66 CHAPTER une 67 Technical o een 67 Applicable SEAS ee 67 NOISCSFIGORS area ses anna ae 67
16. V Pin 1 C1 e SIGNAL 1000uF R2 SIGNAL GENERATOR SIGNAL TRANSDUCER INPUT SOCKET AGND AGND Maximum Electrical Signal Input For No Damage o Volts Peak to Peak Environmental Stabilization Time 30 minutes Warm up Time lt 2 minutes Settling Time It is recommended that a calculation settling period of 230 seconds is allowed for in any recording Temperature Operating Range 10 C to 50 C Page 72 Effect of Air Temperature Accuracy better than 5 over the range 10 C to 50 C Effect of Surface Temperature Accuracy better than 4 over the range 10 C to 50 C Real Time Clock Day Month Year Hour Minute and Seconds at 2ppm accuracy per day Digital Signal Processing Direct processing using digital recursive filters infinite impulse response Analogue to Digital Converter amp Microcontroller ADC Word Length 24 bits Sampling Rate 16kHz Processor Operating Frequency 25MHz max Display OLED Module 160x128 pixels with 262 144 colours Refresh Rate lt 500mS Displayed parameter at each update interval is the value at the time of the update interval Memory eMb On board FLASH allowing up to 992 recordings to be saved Page 73 Overload Positive overload warning when the input circuit saturates Size and Weight Dimensions H 1 17mm without Cable x W 78mm x D 24mm Weight 182g approximately
17. W 4 0 16500 um HIGH 0 6 2500 mm s HIGH 40 0 165000 um Page 68 Frequency Weightings Wn Flat Response Filter Frequency Response 1 00 10 00 100 00 1000 00 10000 00 Gain dB Frequency Hz Deviations re 160Hz in dB and tolerances required for a typical Vexo S instrument Frequency Page 69 Wir Low Pass Response Filter Frequency Response 1 00 10 00 100 00 1000 00 10000 00 Gain dB Frequency Hz Deviations re 160Hz in dB and tolerances required for a typical Vexo S instrument A nr Taleranee A 8 44 85 Frequency wi Tolerance EN M x45 630 06 5 8 01 15 16 00 15 20 OO 15 40 00 15 Page 70 W Low Pass Response Filter Frequency Response 10 00 100 00 1000 00 10000 00 10 0 10 20 30 40 50 60 70 Gain dB Frequency Hz Deviations re AkHz in dB and tolerances required for a typical Vexo S instrument Frequency PH Wee Tolerance 40 554 515 80 Tao 15 gt 30 1 o 1600 06 15 5000 00 15 6300 00 15 Page 71 Electrical Signal Input Electrical signals at frequencies gt 2Hz can be applied to the Vexo S instruments by interfacing a suitable signal generator with an output impedance of 6000 to the Input Socket Each individual axis shall be subject to the following circuitry see Signal Wiring 5
18. afety is about for most companies That is how we are set up to help you Our training courses are all geared to that end as is any equipment we might supply or rent to you If you need us in person we ll be there too Call NOW on 01723 584250 and get your health and safety compliance on track the way you want to do it There are many issues you might like us to have a look at Noise and Vibration at Work Audiometry HAVS Health Surveillance Health Screening Air Sampling and Gas Detection Indoor Air Guality Im m AUS HET fg Airflow EMF Testing and Monitoring Portable Appliance Testing PAT General Compliance and Hisk Assessment ENVIRONMENTAL COMPLIANCE In an increasingly sensitive atmosphere to environmental issues businesses have to be careful Neighbours are increasingly aware of theirs right to complain and the environmental agencies are looking for industry to clean up its act Simply call us on 01723 584250 if you have any environmental compliance issues and we will work with you to find the best way forward Noise for Planning Complaint Management Ground Bourne amp Building Vibration otack Emissions Monitoring Environmental Air Sampling Water Quality Testing MAINTENANCE AND DIAGNOSTICS Production plant needs maintenance and if this can be done only when needed then cost savings can be huge Condition monitoring offers the ability carry out predictive maintenance so shut down is only when you plan
19. alibrators Anemometers Audiometers Balances Scales Barometers Dosemeters Electrical test equipment Force meters Gas Detectors Hygrometers Light meters Manometers Moisture meters Noise meters Pressure meters Sound level meters Sound analysers Strain gauges Tachometers Thermometers Thermo hygrometers Thickness meters Timers Vibration meters Vibration analysers Weighing equipment Castle Contract If peace of mind for equipment calibrations is important to you and it should be then check out our contract calibration deals VVe will give you discounted fixed annual pricing for selections of equipment and we will undertake to ensure calibration is maintained to your schedule This is designed to take all the hassle out of equipment calibration Maintain Instrument Calibrations Hassle Free Administration Discounted Calibration Fees Single Source Supplier Castle Rent Rental is a great way to have the use of measurement equipment without having to own it especially is capital budgets are tight or it tax is an issue If you need a short term solution additional equipment to boost your capabilities or if contract based tax deduction is important then Rental could well be the way to go Go to our website to find the huge range of equipment we have avallable You might also like to make use of our ex rental purchase as a way of keeping your equipment costs down e Easy on Cash Flow e Short or Long Term Hentals
20. aximum Electrical Input Level easset ainin a 72 Wiring E nfiguration un ona 74 Imstrument Detallada 82 latwgeleiP eine RT OO I E 14 K Key paa ME Told get 27 L level alle BSc espere me ES EO 68 M Machinery Vibration Introduction ooccccccccnncconcnnncnnnnnnoncnnnnnnnnnnnnnnonos 17 Measuring Ranges a a 68 Auispuol M 73 Menu OBLIONS en een 34 mp Tc x IT A 35 Delete AMIA enen an 39 Delete Single FIG cess opta Dra Oa dequo ads ice 38 leri MD m 37 OPERNA e Met MERE 35 OBEN Today Sana 36 AM sila 44 Range an E 34 SUN ass 40 BRIE MEM CSS e A t e pet A te 41 Frequency Weighting ass 40 Generalitat 42 Dates stessi tuus ELLE ED DE RUP a DU IE Ub d EE 43 File NaBai 43 II cbr Me Mr E TM EDEN HCM S 42 Meter CAMA e TENE 47 elle eet Rc 48 Measurements ea a EE 47 Config utatiOb nee i but E AA AENA 45 AMS e a a ona 46 y A ARN 45 SNOW RESUS nn een 45 HOr One T 46 RESET aa ee 44 UNS ie ERA PTA ETE APETA ENE 40 PAC UTO a A E 32 Ment OPTIONS eenen O sanetonneuseweuneweged 34 PRIGIGIING de sasceisassacunecnsadiauasvaceracssausenasnnasansseakeuadsacenaareanmawautaemnaneveakouadeacennet 46 Sig AREIS CANNE ETE ee 41 elsi 48 CAI WO ALON A o o cv alcaie uaseece a otmecdacaseadenasaaied 47 Conner itO ai ais 45 De N O 43 Ele Nami 43 Frequency Woelglit IB na a pb e Par fad nia 40 A e E A A 42 o RE A 46 MES O sen 47 METER ut E 44 Mod
21. e with Castle Group Ltd regarding your instrument please complete the following details Page 82 A Accelerator 15 Accelerometer A NM 16 ROMO 1E ae ER 16 SOAS ICI WILY ee eure ME ETE 50 A iu ett wie dE 15 67 jh E 15 ACCESO MES add 66 E TT O 46 55 Bearing N Oder 55 Machine Mode une 55 Pulp MOG Esser tias ndum deua Da Mq Te red I PUE 55 Analysis near 23 PUTO OO une aia 41 TE QBN 8 410 g nee tar re ae ear nen ee ee ee en ee 20 B Battery INACIO Rasa ada 29 a AAA e LEERE TEEN 75 AAA o dp ire ute ti ee 30 Battery INICIO A A A A 29 Bate 0 inemes en 75 BENNES S EE T AA mS 41 C a o TEN 47 CAND AUC ET UU UTE 48 Measurement ses 47 VA US ot te A e tia eras 49 Condition MONOS 17 CONTEO een 45 EONNECLON were ee ee 74 CORPECUIONT ria 23 Customer SUDDO nta E 80 D Delete A ee a ea ee 39 A O 38 DE CE A O ea ee A A 22 DISC S RR IAE TEE TL 82 Download Recordings tan orea eene nnns 65 E ECDecaratO RENT DET 76 EIGCERICAl NOISE EIC 67 F ES NIN 43 E E 35 PUY De ea a ol 53 Frequency Weighitng seisein aana anadai 40 Frequency Weighted Filters sonuna E ON 69 Frequency Weightings coooccccccocnnccnonnnonononnnnnnonnnnnnonononnnnnnanononnnnnnnnanannnns 69 F rictlonEguatlofiS nie 77 G A a O ee 42 Getting Started ee 25 REV DAG LAV OUL ee A 27 l Indicator o ee ee a ee 57 Under RNP 56 Ii O e COS D Nu Oc M LOS NIE 46 Input Card al se D ee 72 M
22. econd a ta instantaneous acceleration value ta tv td time seconds Page 78 Peak The maximum peak level of the weighted instantaneous acceleration or velocity over the measurement period Pk Pk The maximum peak to peak level of the Peak to Peak weighted instantaneous displacement over the measurement period Maximum rms Level Acceleration Amax The maximum Arms level reached over the measurement period Maximum rms L evel Velocity Vmax The maximum Vrms level reached over the measurement period Maximum rms L evel Displacement Dmax The maximum Drms level reached over the measurement period Peak CF Aeq Peak The running highest peak level of the weighted Crest Factor instantaneous acceleration achieved over the Acceleration measurement period Aeq The running acceleration value over the measurement period Peak CF Veq Peak The running highest peak level of the weighted Crest Factor instantaneous velocity achieved over the measurement Velocity period Veg The running velocity value over the measurement period PkPk CF Deq PkPk The running highest peak to peak level of the Crest Factor weighted instantaneous displacement achieved over the Displacement measurement period Deg The running displacement value over the measurement period Page 79 Chapter 11 Customer Instrument Support Warranty and After Sales Service Castle Group Ltd
23. ed then press or to move the highlight to the next position Valid levels are between 9 00 and 11 00 m s If an invalid value is selected the warning message Value Not Valid will be displayed in red 14 32 23 08 12 Value Not Valid warning Message Press to return to the previous screen with any valid changes made Page 49 Sensitivity Select this option to set the sensitivity value for each axis that has been supplied with your accelerometer No vibration calibrator is required for this option Press E to return to the previous screen with any valid changes made 14 32 23 08 12 Use the O key to change the value highlighted then press to move the highlight to the next position Valid sensitivites are between 50 0 and 150 0 mv o If an invalid value is selected the warning message 050 0 to 150 0 only will be displayed in red 14 32 23 08 12 Value Not Valid warning Message Press Ge to return to the previous screen cancelling any changes made Page 50 Chapter 6 Using the Vexo S The Vexo S instrument has three states of basic operation e Stop State e Record State e Playback Stop State This is the default state of the Vexo S instrument and whilst in this state limited calculations are displayed on the instruments screen but no values are recorded in the internal flash memory lt is only possible to change Settings and undertake Calibration of the instrument whilst
24. elete All Files will be highlighted red 14 32 23 08 12 When all files are deleted the Main Menu is displayed Page 39 Settings Select this option to manage settings on your Vexo instrument 14 32 23 08 12 Current selections are shown at the right hand side Use the key to highlight the required option and press pa to select Press E to return to the previous screen without making a selection Freq Wgt oelect this option to change the frequency weighting of your Vexo instrument 14 32 23 08 12 i Red Tick indicates current selection Use the key to highlight the required option and press er to select The unit will be selected and the previous menu screen will be displayed Press E to return to the previous screen without making a selection Units Select this option to change the units of measure of your Vexo instrument 14 32 23 08 12 Red Tick indicates current selection Use the key to highlight the required option and press Ge to select The unit will be selected and the previous menu screen will be displayed Press to return to the previous screen without making a selection Page 40 Brightness select this option to change the display brightness of your Vexo instrument Battery life is increased using lower brightness 14 32 23 08 12 Use the key to change the brightness level and the press x to return to the previous screen with the selected brigh
25. epeated measurements taken over a period of time will show any gradual deteriation of working order To a certain extent human perception can be used for condition monitoring but with modern machinery which may be operated unattended or even sound proofed it becomes more and more difficult for operators to detect through experience alone To this end it is becoming industry standard to use measuring equipment for this purpose Vibration measuring equipment is ideal for this as any change in the vibration level monitored indicates that the machine is operating under different condiditions to normal smooth operation The Vexo S was designed specifically for this purpose Page 17 Vibration Measurement and Mounting Every machine that has some form of movement in its operation will transmit vibration through it The directions of such vibrations are dependant on the machine type and determined by whether the machine has rotating parts or not Vibration is a repeated oscillation of a surface about a rest position How often this occurs in one second is named the vibration frequency measured in cycles per second Hz In most circumstances the machine vibration will consist of various frequencies mixed together and the measuring instrument must be capable of measuring within these frequency boundaries The amount of vibration how rough or smooth the vibration is is expressed by its vibration amplitude and can be measured in three differe
26. es ici 45 nn o 34 RESET tl 44 SOL 40 SNOW RESUS taaan ac 45 REO CRUEL COMO PIC OTHER 42 BINDS CT Ue 40 Menu Structure ooo 32 DIS PO CO E E LU IT UE 44 NOIR 45 N Noise FIOO cria 67 O On Off Key PEGE el Gl OM A ROTEN TUN OE EEEE DP Ncc 27 SINE eects tare a a tates Aeneas N EN 31 34 Open YN O AA uo O tc enatoesGanaties atncacae tad ce betecenstenaietesetidenses 37 n mS 35 Play Da K enson e e T 53 WOO AY Saeaon E Reese 36 OVellodtlssenacin aaa A EE a A eE aa 24 57 68 74 P PR AMETE S Vi E eub D ANN T ER Ur 58 59 61 62 64 Play DC Gecer cM PO o alsa iateuatuecsnnoanaca maces eraieeal 53 Power A TP EC S 75 Powering Your Vexo Meter cccssccsssccssccesccessceseccesscesscsacesessceseceaeeees 28 Predictive Maintenance Program ccoocccccnccnncnocnnnnnncnnnnononnnnnnnnnnnnnnnnnanononos 22 R Radial IB ON asadas 20 Range ers 34 Ranges Eine as 68 Reset nee nee alas 44 S SENSEI a a 50 SCUUINE E 40 SEHINE TITIO een 72 SHOW Resultado 45 54 Stabilization TIM nai ae 72 Ss A NT T 67 O na ee ea arena 51 Switching Your Vexo Meter Of f ooocccccccnccccncccnoccnnncnnncnnnnnnnnanonnnnnnanonononos 31 Switching Your Vexo Meter On coooccnccnnconocnccnnnnononnnnanononnnnnnnnnanononnnnnnonnnos 31 T Technical Specifications ienris aeaa ieaiai aeaa ii 67 Temperature Operating Range occoocccncncnoncconcnncnnnonononcnnanonononancnnanononons 72 UT ee A E E E E T ee 42 SET E ee E 72 StabiliZdtiOb ee A 72 WAL TYAN Dissen
27. ge 19 The measurement points should not be chosen randomly Machinery vibration generally radiates through machine bearings and hence measuring points should be situated on or as close as possible to the bearing housing lt is recommended to have more than one measuring point each located at various positions around the machine to aid in identifying mechanical issues Do not use weak flexible areas such as machine cover panels for measuring points Vibration direction should also be considered and can be a combination of either radial or axial vibration Consider the shaft bearing housing shown below from both the front and top elevations Axial Vibration Radial Vibration Vertical 2 f Horizontal Figure 1 Vibration Direction Radial vibration would be evident from machinery with imbalanced rotating parts such as a motor As the motor rotates the imbalance pulls the motor outward causing a higher vibration than normal operating conditions The vibration force would also be transmitted through to the rotating shaft and therefore seen in the bearing housings supporting the shaft Radial vibration travels outwards from the shaft and therefore should be measured horizontally and vertically Abnormal radial measurements taken horizontally are generally vibrations caused through imbalance whereas if taken vertically are often issues with the machine mounting or the structure of the machine itself Axial vibration travels in either d
28. hen the Files option is not selectable Press Q select the required option Note that a recording cannot be started from within the Main Menu Some options may also have further sub menus where further options are available Again use the key to scroll through the available options The complete menu structure is shown below High Open All Open Today s Files Open 7 Days i Delete Single File Delete All Files Page 32 Page 33 Menu Options Each Menu option is described fully below Range select this option to change the measuring range of your Vexo instrument 14 32 23 08 12 Red Tick indicates current selection Use the O key to highlight the required option and press n to select The range will be selected and the previous menu screen will be displayed Hange details are as follows 0 05 200 0 0 0051 20 4 0 005 20 00 0 00051 2 04 Acceleration 0 6 2500 0 06 250 40 0 165000 Lo 4 0 16500 Press to return to the previous screen without making a selection Page 34 Files select this option to manage saved recordings on your Vexo instrument 14 32 23 08 12 I 14 32 23 08 12 If no files have been recorded today or in the Open Today s last 7 days then these options will not be selectable Use the key to highlight the required option and press es to select Press to return to the previous screen wi
29. ibrator KAO10V Carry Case for Vexo and Accessories KD1011 oingle Axis Accelerometer KD1202 Mounting Studs Pk 5 KD1203 High Strength Mag Mount KD1206 Removable Spike Probe KD1215 Glue Studs amp Glue pack of 5 PCOOS VibdataPro Vibration Analysis Software O1VIBBATT 2 4V 2100mAh NiMH Battery Pack GAPSUS NiMH Battery Pack Recharger 01ZL1065 01 AC Output Cable 1 metre 01Z2L1097 01 Single Axis Accelermeter Cable 1 metre 01Z2L1108 01 USB Download Cable 1 metre supplied with the Vexo S upgrade from supplied Vibdata LITE Page 66 Chapter 9 Technical Specification Applicable Standards BS ISO 10816 1 1995 A1 2009 BS ISO 10816 3 2009 BS ISO 10816 7 2009 Noise Floors Accelerometer 100mV g 20 Operating Range 20g 2 to 10000 Hz 10 Output Voltage Frequency Response Resonant Frequency gt 22kHz Weight 115 grams excluding probe 55 C to 85 C 65 F to 185 F Electrical Noise Floor 0 003g pk Operating Temperature Range Transverse Sensitivity 5 Maximum Shock 5000g pk Page 67 Normal Operating Mode Fitted with Single Axis accelerometer KD101 1 Overload Under Range Triggering Points Points when calibrated with an accelerometer of sensitivity 100 0mV g lt 40 0 gt 16500 lt 400 0 gt 165000 Level Ranges LOW 0 005 20 0 m s LOW 0 00051 2 04g HIGH 0 05 200 0 m s HIGH 0 0051 20 4g LOW 0 06 250 mm s LO
30. ilable Again use the key to scroll through the available options The menu structure is described in detail in Chapter 5 Please be aware that your Vexo S instrument has a built in battery saving function that automatically dims the display Any key can be pressed to exit this power saving function See Auto Dim in Chapter 5 for more details Page 26 Keypad Layout Please note that some keys have a dual function m Serial No 067909 ocroll VEH VIBRATION METER Record Stop Power On Off Main Menu Back Figure 2 Keypad Layout Page 27 Powering Your Vexo Meter Your Vexo meter is powered from a Castle rechargeable 2 4V NiMH battery pack The battery pack employs the latest battery technology for maximum battery life between instrument uses The battery compartment is located on the underside of your instrument Open the battery door by sliding the cover downwards towards the bottom of the instrument VEHO SFR GA2006S Single Axis Vibration Meter m ISO 10816 1 1995 A1 2009 The cover can now be removed exposing the battery compartment and battery pack if fitted To fit a battery pack plug the battery pack into the connector and insert the battery pack at an angle as shown below Page 28 Push the raised end of the battery pack downwards as indicated until the battery pack sits comfortably in place Ensure battery cabling does not overlap or obstruct where the battery doo
31. ile number and amount of recorded files are also shown in Red 14 32 23 08 12 Use the key to highlight the required file and press es to open it If more than 5 files exist then use the key to scroll through the available recordings 16 32 23 08 12 Press e to return to the previous screen without making a selection Page 37 Delete Single File Select this option to delete an individual file from the instruments flash memory Deleted files cannot be recovered The recordings on the instrument are listed by file name date and time order showing the most recent first All recordings will be available for selection and the file number and amount of recorded files are shown in Red 14 32 23 08 12 Use the key to highlight the required file and press pa to delete it The selected file will be immediately deleted 14 32 23 08 12 If more than 5 files exist then use the key to scroll through the available recordings 16 32 23 08 12 Press E to return to the previous screen without making a selection Page 38 Delete All Files select this option to delete all recordings from the instruments flash memory Proceed with caution as deleted files cannot be recovered 14 32 23 08 12 Use the key to highlight the required option and press W to proceed Select No or press to return to the previous screen without deleting any files Select Yes to delete all saved files D
32. including batteries Connections Download USB 1 0 or 2 0 compatible Wiring Configuration Micro USB B Socket Battery Recharge Powered from a nominal AC supply using Mascot 2116 2 cell battery charger Centre Terminal OV Outer Terminal V Page 74 Batteries Real Time Clock CR1220 Lithium Battery Factory Fitted Life Expectancy Approximately 2 years Main 2 100mAh NiMH Battery Pack Life Expectancy 10 hours continuous use approx Min Battery Level 1 8V DC Input Signal Wiring Configuration 3 Pole Jack Socket 3 5mm Mating Plug Diagram Ground Signal 5V Sleeve Ring Tip Page 75 EC Declaration of Conformity The CE marking of the Castle Vexo Vibration Meter indicates compliance with the EMC and Low Voltage Directive The C Tick marking of the Castle Vexo Vibration Meter indicates compliance with EMC requirements for Australia and New Zealand We Castle Group Ltd declare that the Vexo H and Vexo S range of Vibration Meters have in accordance with the following Electromagnetic Compatibility Directives SI 2005 281 2004 108 EC been designed and manufactured to meet the following tests EMC Emissions EC 61000 6 5 2007 41 2011 EN6 1326 1 2006 CISPR 22 2008 EN55022 2006 A 1 2007 FCC Rules Part 15 2003 Class B EMC Immunity IEC 6 1000 6 2 2005 ENB1326 1 2006 Levels 4kV Contact XBkV Air HF EM Amplitude Mod IEC 6 1000 6 2 2005 Level 10 V m No
33. instrument is supplied as standard with a hand held spike probe which attaches to the accelerometer The probe can then be used for quick measurements without the need for preparing fixed measuring points The handheld probe will however give the least repeatable measurements and least accuracy due to the variabilites in the contact between probe and machine It is essential that the user responsible for measuring the data becomes proficient in its use to ensure the most repeatable and accurate results possible using this method Consideration of the mass of the machine should also be taken into account and should be at least 9 times greater than that of the accelerometer including spike probe if used For best results and repeatable measurements the accelerometer should be fixed securely to the measuring point using either a high strength magnetic mount or for permanent measuring point fixtures using glue and stud packs both of which are available separately See Accessories for details If using studs mounting of the single axis accelerometer to the vibration source is achieved by tapping a stud into the vibration source and then attaching the accelerometer to the stud Alternatively the stud may be adhered to the device with an adhesive that dries rigid In all cases the correct mounting of the accelerometer is cruicial for accurate meanginful and repeatable measurements Always mark the location and measure in the exact same point Pa
34. ions will be to identify the problem with the machine It may be necessary to use more specialized monitoring equipment to determine the vibration signature of the fault and exactly pinpoint the location however if as discussed vibration readings are recording in all three directions 1 Axial 2 Radial Horizontal 3 Radial Vertical Then this maybe be sufficient data to determine the more common machinery problems and there location Correction The last stage of the predicitive maintenance program after detection and analysis will be to correct repair the found problem With early detection and analysis the correction can be planned in advance for a convienent time to ensure minimum disruption and minimum cost Page 23 Under Range amp Overload Conditions Under Range Condition An under range condition occurs when the vibration level is equal to or lower than the bottom of the current range the meter is set to If this condition occurs then the UR Under Range indicator will be displayed on your instrument In such circumstances it is highly recommended to change to a lower range with a higher sensitivity as your meter will be out of specification The under range indicator will remain on for a minimum of 2 seconds or while the under range condition remains Placement of the under range indicator can be found under Under Range Indicator in Chapter 6 see Technical Specification for a complete list of Under Range
35. irection along the shaft Bent shafts or misalignment of bearings or the shaft coupling device can cause higher machine vibration measurements Ensure flanges are not overloaded to reduce the chance of misalignment issues To measure the correct direction mount the accelerometer so that the resulting vibration travels up through the accelerometer Page 20 The severity of the vibration level measured will be proportional to any amount of misalignment imbalance or bending of the shaft Remember Condition Monitoring you need to devise a regular monitoring schedule for your machinery that enables you to ascertain and repair many costly machine faults before they occur Your Vexo S instrument is a tool to aid in this condition monitoring it is not a tool that gives detailed fault analysis by using techniques such as fast fourier transforms Used correctly with trained personnel it will give a good early indication as to where faults may be occurring and allow you to plan scheduled corrective maintanence It is then down to the experience of the engineers to determine and repair the fault or if required analyse the vibration fault even further using specialsed monitoring equipment to determine the exact location of the problem Page 21 Predictive Maintenance Program In general your vibration predictive maintenance program will consist of the following steps 1 Detection 2 Analysis 3 Correction Detection This fi
36. is selected the warning message Invalid Time will be displayed in red 14 32 23 08 12 Invalid Time warning Message Press E to return to the previous screen with any valid changes made Page 42 Date select this option to change the date stored on your Vexo instrument 14 32 23 08 12 Use the key to change the value highlighted then press D to move the highlight to the next position If an invalid date is selected the warning message Invalid Date will be displayed in red 14 32 23 08 12 Invalid Date warning Message Press to return to the previous screen with any valid changes made File Naming Select this option to determine if your Vexo instrument should store File Names with saved recordings or not A file name must be entered when ending a recording if this option is turned on 14 32 23 08 12 Red Tick indicates current selection Use the key to highlight the required option and press er to select The option will be selected and the previous menu screen will be displayed Press t to return to the previous screen without making a selection Page 43 Meter select this option to change operational configuration settings calibrate your instrument and view system information 14 32 23 08 12 Use the key to highlight the required option and press e to select Press to return to the previous screen without making a selection Reset Select this option to re
37. it and only when it s needed It is very simple to work out if this is the right approach for your business so give us a call on 01723 584250 so we find out how much you could save Vibration Monitoring Systems Vibration Meters y Temperature Monitoring System Thermometers Thermal Imaging Diagnostic Vibration Analysis Tachometers Inspection Endoscopes 8 Services Castle Training Academy Competence and Compliance training is essentially all about obtaining the knowledge and skills required to get the job done This is precisely how Castle courses are set out with a high degree of practical hands on experience mixed with some background theory and a lot of job specific information and discussion If this doesnt whet the appetite then there is also a fully inclusive dinner on the first nigh perfect for getting to know some of your peers You can see a full list of courses on our website e Health and Safety Compliance Courses Noise Vibration COSHH Asbestos e Health Surveillance Courses Audiometry Lung Function HAVS e Environmental Monitoring Courses gt Noise Vibration Air Quality e Diagnostic Engineering Courses e Maintenance and Monitoring Courses In house and Bespoke Training The benefits of in house training can be extensive Training can be tailored to your company the timing can be made to suit your needs you get to keep your staff on site and you can train many people at one go
38. memory and viewed onscree or downloaded to Castle s vibration analysis software Vibdata LITE or VibdataPro as and when required To Start or Stop a recording press the following key or Whilst the instrument is in the Stop State calculations are displayed on screen but are not stored in flash memory with the exception of Crest Factor which is only calculated when the instrument is recording Alarm screens are only available at the end of a recording or when viewing a saved recording The option to display Alarms must also be set to On During Stop State it is possible to change the Settings and undertake Calibration of the instrument Stop State Record State and playback can easily be distinguished Stop State Record State 00 00 01 Wr Hecord State shows Record oymbol and 4 34 m s NOM Time Recorded 4 34 m s Peak Playback 00 02 01 Wr Playback shows Play Symbol and Total Time Recorded 4 34 m s Peak Page 25 Whilst in Stop State press o open the Main Menu This key is also used to step back to the previous screen With the Main Menu screen open use scroll down the list of available options 14 32 23 08 12 14 32 23 08 12 If the instrument has no files saved then the Files option is not selectable Press Di select the required option Note that a recording cannot be started from within the Main Menu Some options may also have further sub menus where further options are ava
39. n select this option to calibrate your Vexo instrument using accelerometer sensitivity figures or using a calibrator 14 32 23 08 12 Use the key to highlight the required option and press e to select Press E to return to the previous screen without making a selection Measurement oelect this option to choose between calibrating your Vexo instrument using a calibrator and selecting the output level of the calibrator 14 32 23 08 12 Use the key to highlight the required option and press oo to select Press to return to the previous screen without making a selection Page 47 Calibrate Select this option to calibrate your Vexo instrument using a calibrator 14 32 23 08 12 OK to Calibrate Attach the accelerometer to the calibrator such that the vibration travels through your chosen Axis Use the key to highlight the relevant axis and press x to select ensuring your calibrator is also switched on Calibration takes 15 seconds to complete 14 32 23 08 12 Calibrating Axis If calibration is successful Axis Calibrated will be shown in Yellow for 5 seconds or if the calibration fails Calibration Failed will be displayed in Red for 5 seconds 14 32 23 08 12 14 32 23 08 12 Press to return to the previous screen Page 48 Value select this option to change the value that your vibration calibrator outputs in m s 14 32 23 08 12 Use the key to change the value highlight
40. nt ways which are e Acceleration Acceleration is a vector quantity and is the rate at which an object changes its velocity with respect to time In order to have acceleration the object must be either speeding up or slowing down As the object or machinery vibrates it will move from one location to another and this movement increases and decreases in speed velocity continuously at a rate determined by the machines operating frequency e Velocity Velocity is the speed at which the machine or object travels The Velocity signal is created by integrating the Acceleration signal e Displacement Displacement is the distance the machine or object travels from its stationary position Peak displacement is the distance of one direction of movement whereas peak to peak displacement includes the distance of the opposite directional movement The Vexo S always measures peak to peak displacement The Displacement signal is created by integrating the Acceleration signal twice Please be aware that the integral Velocity and double integral Displacement of the Acceleration signal are frequency dependant meaning that as the input vibration frequency increases the output signal decreases Page 18 See the graph below to determine the output signal level relative to input frequency Dynamic Range Vel Disp mm s um 4000 635500 40 0 6355 Velocity Displacement 0 4 63 5 0 004 0 64 Frequency Hz The
41. r a file name See page 43 for more information The data is saved to the internal flash memory If Show Results or Alarms are turned on then the instrument wil automatically display the relevant parameters If neither of the above are turned on then the instrument is placed back into otop State Hecordings saved on your instrument will not be lost if the battery pack is removed Page 52 Playback Playback is identified by having a green play symbol in the top left hand corner and is where a recorded file is opened to be viewed on screen When Playback is started manually all parameters are available to view including Exposure Points even if Exposure Points are turned off Play Symbol 8 Recording Time 00 02 01 Wr j Mode Used for Recording File Name if Entered Sample01 14 30 23 08 12 File Start and End 14 32 23 08 12 Time Date Scroll through the available parameters using the key The parameters screens available whilst in Playback Mode are depending on Mode selected File Details Amax Vmax Dmax Aeq Veg Deq Peak or Pk Pk CFmax Alarm Screens Exit Playback by pressing either e or pn and the instrument is placed into Stop State Page 53 Show Results On When a recording is stopped and the option Show Results is turned on then the instrument will automatically enter Playback and display the recorded parameters Playback is identified by having a green play symbol in
42. r can be achieved with the instrument powered on or off Page 16 Chapter 3 Measuring Vibration Machinery Vibration Introduction It is advisable to validate your instrument prior to and after taking measurements using a known vibration source such as the Castle GAGO6 Vibration Calibrator available separately It is inevitable that most machinery will vibrate and therefore will have been designed to withstand long periods of normal smooth operating vibration without cause for concern however if the operating vibration of the machine increases becoming excessive or rough then this could lead to expensive breakdowns and cause production to cease To combat this condition monitoring can be used as part of a predictive maintenance program Condition Monitoring Predictive maintenance is a process to help establish the condition of any equipment or machinery and in doing so help predict when any maintenance of this equipment should be performed and prevent expensive breakdowns Monitoring of the equipment or machinery condition is commonly known as Condition Monitoring and is widely used in industry as it can be very effective lt is a process of repeat measurements that monitor the condition of a machine over time The measurements of which will be taken from the same location and with the same load on the machine The course of monitoring for a specific machine starts from a known normal smooth operational state and the r
43. r is inserted VEHO GA2006S Single Axis Vibration Meter ISO 10816 1 1995 A1 2009 Battery Indicator Your Vexo meter is equipped with a four stage battery level indicator and is visible in the top right hand corner of all screens With a fully charged battery pack the indicator with a full Green bar is displayed and as the battery pack discharges the relevant indicator is displayed The approximate values are 100 75 50 and 25 When the battery pack is below 10 it will flash Red indicating that the battery pack is flat and requires a recharge When the battery pack is below 4 it will automatically power the unit down and save any data if the instrument is in Record State Page 29 Recharging the Battery Pack With a battery pack inserted and your instrument switched off plug your supplied charging unit into the DC socket indicated below The Vexo instrument will not operate while the battery pack is charging and will immediately switch off when the charger is plugged in to the DC socket even if the charger is not switched on This is normal If the unit switches off due to the charger plug being inserted then no settings or recordings will be saved A completely discharged battery pack may need several hours to become fully charged Observe the LED on the charging unit to determine the charging cycle When the charging unit displays a constant Green LED then charging is complete
44. rameter are given below and for full mathematical descriptions see Chapter 10 Function Equations Xrms The Xrms is the frequency weighted running RMS Root Mean Square acceleration velocity or displacement value where X A V or DJ Note Xrms is displayed during Record State but Xmax is recorded Xeq The Xeq is the time averaged and frequency weighted acceleration velocity or displacement value where X A V or D Xmax The Xmax is the maximum Xrms level reached where X A V or D Peak Peak is the highest peak level of the frequency weighted instantaneous acceleration or velocity Pk Pk The Pk Pk is the highest peak to peak level of the frequency weighted instantaneous displacement CFmax CFmax is the highest Crest Factor reached and is the ratio between the Peak or Peak to Peak and the Xrms value where X A V or D Page 58 Modes The Vexo S has the following Modes for different applications Bearings Machine Pump User select the mode by selecting Meter then Configuration from the menu system Bearings select this mode for bearing monitoring which allows recording in either Acceleration or Velocity and is fixed to the frequency weighted filter WHP Whilst in Stop State use the key to scroll between Acceleration and Velocity the recording will be based on the selection The Bearings Alarm uses three colour coded symbols to instantly show on the display the state of the alarm
45. rd State Unlike overload the under range condition is not saved with the recording and is therefore not available in Playback The under range indicator UR is placed in red under the battery indicator when the condition occurs Under Range Indicator 4 34 m s The under range indicator remains on for a minimum of 2 seconds or whilst the under range condition remains Page 56 Overload Indicator The Vexo S has an Overload indicator which is visible in Stop State Record State and Playback Unlike under range the overload condition is saved with the recording and is therefore also available in Playback The overload indicator OL is placed in red at the far right of each axis where the condition occurs Overload Indicator 414 6 m s Peak The overload indicator is latched on but it is possible to remove the latched overload indicator during Stop State by selecting Reset under Meter from the Main Menu The overload indicator cannot be reset during Record State or Playback Page 57 Parameters The parameters that are recorded and displayed on your Vexo S instrument are as follows Acceleration Velocity Displacement Note Amax Vmax and Dmax are only available by downloading files Parameters measured as Acceleration are identified as Acceleration with a preceding A Velocity with a preceding V and Displacement with D Brief descriptions of each pa
46. rst step of your predicitive maintenance program involves measuring the vibration levels for each machine at the marked locations using your Vexo S meter Measurement frequency depends on the machinery and its operation but in general monthly readings will suffice however it may be necessary to take more frequent readings for more critical machinery The measurement is then downloaded into the supplied software and if the registered version is being used the results can be trended to instantly see any change in vibration levels for that specific machine The example graph below shows trending analysis for a particular machine using weekly measurement frequency Vibration Trend Measurement Vibration Level Level eene Normal Level a Significant Change Major Change nn Critcal Change In practice whislt the machine is operating under normal vibration levels then only routine maintenance should be required When the first significant change in vibration level is discovered then minor repairs to the machine maybe required If a major change in vibration level is discovered then again repairs maybe required and a major service should be planned Reaching the critical change in vibration level will likely require an immediate shutdown of the machine to undertake major repairs and to complete a service Page 22 Analysis The next step of your predicitive maintenance program after detecting any machinery complicat
47. set all measurement parameter values 14 32 23 08 12 The highlight turns red for 3 seconds to indicate that a reset has been performed Page 44 Configuration select this option to change operational configuration settings 14 32 23 08 12 Use the key to highlight the required option and press e to select Press 6 to return to the previous screen without making a selection Mode Select this option to set the user Mode of your Vexo instrument 14 32 23 08 12 i Hed Tick indicates current selection Use the key to highlight the required option and press e to select Press to return to the previous screen without making a selection Show Results Select this option to determine if your Vexo instrument should display calculated results after ending a recording 14 32 23 08 12 Red Tick indicates current selection Use the key to highlight the required option and press to select Press e to return to the previous screen without making a selection Page 45 Alarms select this option to determine if your Vexo instrument should display alarm screens after ending a recording 14 32 23 08 12 Red Tick indicates current selection Use the key to highlight the required option and press e to select Press E to return to the previous screen without making a selection Information oelect this option for instrument details 14 32 23 08 12 Page 46 Calibratio
48. the top left hand corner Play Symbol amp Recording Time 00 02 01 WrF E Mode Used for Recording File Name if Entered Sample01 14 30 23 08 12 14 32 23 08 12 File Start and End Time Date Scroll through the available parameters using the key The parameters screens available whilst in Playback Mode are depending on Mode selected File Details Amax Vmax Dmax Aeq Veg Deq Peak or Pk Pk CFmax Alarm Screens Only Available if Alarms are On Exit Playback by pressing either Ge or G and the instrument is placed into Stop State Page 54 Alarms On When a recording is stopped and the option Alarms is turned on then the instrument will automatically enter Playback and display the Alarm Screen for the following modes e Machine e Pump e Bearing See Show Results On if Show Results are also turned on Playback is identified by having a green play symbol in the top left hand corner Machine Mode 00 05 00 Wr Pump Mode Integration Velocity Integration Displacement 00 05 00 Whip 00 05 00 Wp Cat 2 lt 200kW Cat 2 lt 200kW Alarm Status Bearing Mode Integration Acceleration Integration Velocity 00 05 00 Wup 1 00 05 00 Wup 5 Alarm Status Exit Playback by pressing either or or and the instrument is placed into Stop State Page 55 Under Range Indicator The Vexo S has an Under Range indicator which is visible in Stop State or Reco
49. thout making a selection Open All Select this option to show all saved recordings on the instrument Recordings are listed by file name date and time order showing the most recent first The file number and amount of recorded files are also shown in Red 14 32 23 08 12 Use the key to highlight the required file and press ph to open it If more than 5 files exist then use the key to scroll through the available recordings 14 32 23 08 12 Press E to return to the previous screen without making a selection Page 35 Open Today s select this option to show all saved recordings made today on the instrument The recordings are listed by file name date and time order showing the most recent first Note that this option is not selectable if no recordings have been made today The file number and amount of recorded files are also shown in Red 14 32 23 08 12 Use the O key to highlight the required file and press ex to open it If more than 5 files exist then use the key to scroll through the available recordings 16 32 23 08 12 Press Ge to return to the previous screen without making a selection Page 36 Open 7 Days select this option to show all saved recordings made in the last 7 days The recordings are listed by file name date and time order showing the most recent first Note that this option is not selectable if no recordings have been made in the last 7 days The f
50. tness level The display brightness can be adjusted between 20 and 100 in 20 steps Press to return to the previous screen without altering the brightness level Note that the brightness may be affected by the Auto Dim function see below Auto Dim Select this option to determine if your Vexo instrument should use the Auto Dim function or not The Auto Dim function is a battery saving feature that automatically reduces the display brightness of all screens to 10 if no key has been pressed for 30 seconds For optimum battery life the Auto Dim should be switched On 14 32 23 08 12 Red Tick indicates current selection Use the key to highlight the required option and press e to select The option will be selected and the previous menu screen will be displayed Press to return to the previous screen without making a selection Whilst the Auto Dim feature is active press any key to deactivate it and return to the selected brightness level Page 41 General Select this option to open another menu level of General options 14 32 23 08 12 Use the key to highlight the required option and press S to select Press e to return to the previous screen without making a selection Time select this option to change the time stored on your Vexo instrument 14 32 23 08 12 Use the key to change the value highlighted then press es to move the highlight to the next position If an invalid time
51. triggering points Overload Condition An overload condition occurs when either the peak signal starts to exceed the signal handling capability of the specialised amplifier circuitry or if the vibration level exceeds the top of the selected range by 5 If the vibration source saturates the input circuitry or is 5 greater than top of the selected range an Overload condition occurs and an OL Overload indicator is displayed on your instrument If an overload condition occurs it is highly recommended to change to a higher range with a lower sensitivity as your meter will be out of specification The overload indicator will remain on for a minimum of 2 seconds or while the overload condition remains Please be aware that the selected frequency weighting may attenuate the displayed signal level below the overload triggering point but an overload can still occur This is because the overload operates from the unweighted input signal Placement of the overload indicator can be found under Overload Indictor in Chapter 6 oee Technical Specification for a complete list of Overload triggering points Page 24 Chapter 4 Getting Started The Vexo S instrument has three states of basic operation e Stop State e Record State e Playback Whilst the instrument is in the Record State the vibration activity is analysed and all parameters available on your instrument are calculated The data captured can be saved to the internal flash
52. ully and you will quickly become familiar with your instrument and its operation If you do encounter problems with the operation of your instrument please feel free to contact customer support with your enquiry on Telephone 44 011723 584250 Fax 44 011723 583728 Website www castlegroup co uk Email techsupport castlegroup co uk sales castlegroup co uk Contents CHAPTER Tassen ek 14 EO GUC TION Maeda ea a ee 14 Vexo S GA20065 Single Axis Machine Monitoring Vibration Meter14 GCGHAP TER lE 15 Accelerometer Type Removal and Fitting esses 15 ACCES roman IDO rp aude nl dtend 15 Vexo S Single Axis Accelerometer KD101 1 15 Attaching amp Removing the Accelerometer sss 16 CHAPTER Br Dean 17 Measuring VIDPSSIO asado O 17 Machinery Vibration Introduction eene entente nennen 17 Condition Monitoring o irs adios 17 Vibration Measurement and Mounting sss 18 e ACC AION MMC TD 18 e MEIOCIEN e 18 e Displacementai o A elu ttal tei add 18 Predictive Maintenance Programs tte iio ee Detecb on en liess ee ANN nee ta 23 Corra sis MR PN eo Under Range Overload Conditions sees 24 Under Range CONO yr doi 24 Overlead OO aaa 24 CHAPTER 2 iiia old 29 Getting Started ra RE Radeln 25 EE Cd Ly OU sense m 27 POWERING Your Vexo Meier ee 2
53. unning rms t 0 Acceleration l Metric t instantaneous time seconds 0 integration time of the measurement 1 second a ta instantaneous acceleration value ta time seconds t EM ES 2 AIS aw ta d ta g Hunning rms Acceleration l 0 t instantaneous time seconds 0 integration time of the measurement second a ta instantaneous acceleration value ta time seconds Page 77 Velocity Metric If g is selected as the unit Velocity is still displayed in Metric Displacement Metric If g is selected as the unit Displacement is still displayed in Metric Hunning rms Velocity Metric If g is selected as the unit Velocity is still displayed in Metric Hunning rms Displacement Metric If g is selected as the unit Velocity is still displayed in Metric T total integration time seconds a ta instantaneous acceleration value ta tv time seconds i a 8 ta afta alov afta 10 pm O T total integration time seconds a ta instantaneous acceleration value ta tv td time seconds ai aw ta d ta d tv 10 mm s O Jo t instantaneous time seconds 0 integration time of the measurement 1 second a ta instantaneous acceleration value ta tv time seconds t a au tra alta alev atra 10 um t 0 t instantaneous time seconds 0 integration time of the measurement 1 s
54. uring the latest NiMH technology which incorporates extremely low self discharge Every part of the Vexo has been thoughtfully designed The case accelerometer and cable are all rugged for industrial use and the meter is extremely easy to use with a simple three button operation all you virtually need do is press the power button and start recording With the Vexo S machine monitoring has become even easier Page 14 Chapter 2 Accelerometer Type Removal and Fitting The accelerometer for use with the Vexo S produces a Voltage Output proportional to the signal being measured The table below shows the output voltage and specifications for the accelerometer where g is the acceleration due to gravity on the Earth s surface and is defined as 9 80665 ms Acceleration is measured in metres per second per second m s s which can be written as either of the following e ms e m s Accelerometer Type Vexo S Single Axis Accelerometer KD101 1 Accelerometer Output Operating Frequency Type Voltage Range Response oingle Axis 100mV g 2 to 10000Hz 10 KD1011 Single Axis Accelerometer Page 15 Attaching amp Removing the Accelerometer Locate the jack socket on the instrument and gently push the 3 pole jack plug of the accelerometer cable into the jack socket To remove the accelerometer cable from the instrument gently pull the jack plug from the instruments jack socket Removal of the acceleromete

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