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Vexo H User Manual

1. A Use the key to highlight the required option and press S to select The range will be selected and the previous menu screen will be displayed Range details are as follows Range m s g High 0 50 2000 0 051 204 Low 0 05 200 0 0051 20 4 Press to return to the previous screen without making a selection Page 30 Files Select this option to manage saved recordings on your Vexo instrument 14 32 23 08 12 l 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 p to select Press to return to the previous screen without 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 e key to highlight the required file and press on 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 Q to return to the previous screen without making a selection Page 31 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 mos
2. Casiile GROUP Vexo H GA2006H Hand Arm Tri Axial Vibration Meter Operating Manual www castlegroup co uk Vexo H HARM 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 009 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 8 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. Level Ranges Acceleration Metric Acceleration g LOW 0 05 200 m s LOW 0 0051 20 4g HIGH 0 50 2000 m s HIGH 0 051 204g Frequency Weightings Wh weighting as defined in ISO 8041 2005 Wh Filter Frequency Response 0 10 1 00 10 00 100 00 1000 00 0 10 20 g 30 x 40 oO 9 50 60 70 Deviations re 80Hz in dB and tolerances required for a typical Vexo H Frequency Hz instrument Frequency Wh Tolerance Hz 1 0 2 2 20 2 0 2 2 eo 4 0 2 2 20 8 0 1 2 12 5 0 0 t1 20 0 0 t1 40 0 0 t1 80 REF 1 160 0 0 t1 315 0 0 t1 630 D 1 t1 1000 0 2 2 2000 1 3 2 eo 4000 6 1 2 20 Page 58 Accelerometer Output Voltage 1 ME Operating Range 200g Frequency Response ge ae HE Resonant Frequency gt 30kHz Weight 30 Grams Operating Temperature Range ps E Thermal Sensitivity Coefficient a le Linearity 1 Electrical Noise Floor 0 003g pk Transverse Sensitivity 596 Maximum Shock 7000g pk Page 59 Electrical Signal Input Electrical signals at frequencies gt 2Hz can be applied to the Vexo H instruments by interfacing a suitable signal generator with an output impedance of 6000 to the 5 pin Input Lemo Socket type EGG OB 305 CLL Each individual axis shall be subject to the following circuitry see Signal Wiring 5v Pin 1 C1 sina 100
4. nuit tenete nn eae ness 66 Function Equations s ei eed ea litat DA baad 66 CHAPTER T T nan Customer Instrument Support essen teennnnntentnntetettenatitentensites Warranty and After Sales Service 4 DisclaitrigP amie d m ma e e te e emeret Instrument Detalla rc eite eiue ie i re Table of Figures Figure 1 Recommended Axes for Hand Arm Vibration 18 Figure SA N 23 Castle 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 VVe 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 Env
5. 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 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 24 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 door is inserted VEHO GA2006H Hand Arm Vibration Meter ISO 8041 I 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
6. we ll Calibrate it e UKAS Certificates Available e Multiple levels of Calibration Equipment Types Covered Air quality meters Air sampling pumps Air sampling calibrators 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 We 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 avail
7. 25 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 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 26 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 measur
8. Approximately 2 years 2100mAh NiMH Battery Pack 10 hours continuous use approx 1 8V DC Page 64 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 5 2008 281 2004 108 EC been designed and manufactured to meet the following tests EMC Emissions EC 61000 8 3 2007 A1 2011 EN61326 1 2006 CISPR 22 2008 EN55022 2006 A 1 2007 FCC Rules Part 15 2003 Class B EMC Immunity IEC 61000 6 2 2005 ENG 1326 1 2006 Levels 4kV Contact BkV Air HF EM Amplitude Mod IEC 6 1000 6 2 2005 Level 10 V m No 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 Length Vexo to PC USB 01ZL1108 01 1m The technical file for the above is maintained at Castle Headquarters hereby declare that
9. corner of the screen It is not possible to enter the Menu system or turn the instrument off whilst in Record State Weighting Parameter Range Record Symbol amp Recording Time 00 02 01 Wh Battery Level Measurements Z 1 04 m s Scroll through the available parameters using the key The parameters available in Record State are Arms Aeq Peak Vector To end a recording press the en key If File Naming is turned on then you will be prompted to enter a file name See page 39 for more information The data is saved to the internal flash memory If Show Results or Exposure Points are turned on then the instrument will automatically display the relevant parameters If neither of the above are turned on then the instrument is placed back into Stop State Recordings saved on your instrument will not be lost if the battery pack is removed Page 48 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 amp Recording Time 00 02 01 Whf i 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 p
10. see Chapter 10 Function Equations Arms The Arms is the Wh weighted running RMS Root Mean Square acceleration value Aeq The Aeq is time averaged and Wh weighted acceleration value Amax The Amax is the maximum Arms level reached Peak Peak is the highest peak level of the Wh weighted instantaneous acceleration Vector This is the Vector Sum calculation from the Aeq and Amax Exposure The vibration exposure point system is based on the UK s Health amp Safety Executive s system where vibration magnitude and exposure time are given in exposure points rather than m s Page 54 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 2 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
11. they can simply be added together Page 41 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 e to select Press to return to the previous screen without making a selection Information Select this option for instrument details 14 32 23 08 12 Page 42 Calibration Select this option to calibrate your Vexo instrument using accelerometer sensitivity figures or using a calibrator 14 32 23 08 12 Use the e key to highlight the required option and press ok to select Press to return to the previous screen without making a selection Measurement Select 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 S to select Press to return to the previous screen without making a selection Page 43 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 Ge to select ensuring your calibrator is also swi
12. vsum JD9 YP z Vector Sum X X Axis Aeq HARM Y Y Axis Aeq Z 7 Z Axis Aeq Peak Peak The peak level of the weighted instantaneous acceleration over the measurement period E la Amax The maximum Arms level reached over the a measurement period Acceleration 2 Ae 0 25 Points 15m ES 225 oo Points 15m EAV 8 Aeq Acceleration Metric EAV Exposure Action Value 2 5 m s Points 30m 100 Points 30m EAV 8 Aeq Acceleration Metric EAV Exposure Action Value 2 5 m s Aeq g 1 Points 1h 3 100 Points 1h EAV 8 Aeq Acceleration Metric EAV Exposure Action Value 2 5 m s Page 67 Chapter 11 Customer Instrument Support Warranty and After Sales Service Castle Group Ltd 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 avail
13. 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 See Technical Specification for a complete list of Overload triggering points Page 20 Chapter 4 Getting Started The Vexo H 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 is saved to the internal flash memory and can be viewed onscreen 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 Exposure Points are only available at the end of a recording or when viewing a saved recording The option to display Exposure Points must also be set to On During Stop State it is possible to change the Settings and under
14. 0uF R2 SIGNAL GENERATOR SIGNAL TRANSDUCER INPUT SOCKET AGND AGND Maximum Electrical Signal Input For No Damage 5 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 60 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 Displayed Measurement Resolution High range 0 01 m s up to 99 99 0 1 m s 100 0 2000 0 m s Low range 0 001 m s up to 9 999 0 01 m s 10 00 200 00 m s Display OLED Module 160x128 pixels with 262 144 colours Refresh Rate x 500mS Displayed parameter at each update interval is the value at the time of the update interval Page 61 Memory 2Mb On board FLASH allowing up to 992 recordings to be saved Overload Positive overload warning when the input circuit
15. 4 32 23 08 12 Use the key to highlight the required file and press n 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 Q to return to the previous screen without making a selection Page 34 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 O key to highlight the required option and press e to proceed Select No or press 6 to return to the previous screen without deleting any files Select Yes to delete all saved files Delete All Files will be highlighted red 14 32 23 08 12 When all files are deleted the Main Menu is displayed Page 35 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 amp to select Press Qo 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 A Use the key to highlight the required option and press en to select The unit will be selected and the prev
16. 8 Menu ODptiors ooo iO aede eene RARE 30 Brightness O ee Hus Cit 37 EN L o1 A E EEEE E EEE 44 Cali ON EE 43 COMUN desidia dS 41 O NAO 39 Exposure POINTS nia ai 41 El NO E ica 39 El a Erie E CIR ORE EL Ex NORIA AA 31 General acre ET Or A EO e see a TR 38 Met eee els 40 RAN SOs ied ete sakes seta A cass Shas dacGecehacs ire ede iens 30 Reset c or te coc od o O OTAN 40 SONES diia danita 36 Show Res lts 4 5 oie 42 RR E MN REMEDIES EOS 38 Units nie rer REPRE EE OE ie d 36 Men Str ctu re 5 rer eee ree tbe a iaeiae ee ie gea 28 Meter topic EDENDI genu 40 N Noise FIOOF E E anes 57 O On Off Key OI A E E Dis 23 NO 27 30 Open TD DAYS RIN 33 AIL s noe cor eoe cats haces av EO D EU ze aries 31 Play Dake css ee Ert reas ree re rige ride 49 Today Si A HG RE A IN 32 Output elhet A EE A dee mE Ee arent des 62 Wiring Configuration ccccccccssscccssscccecssccceeseeecsessececsseeceeaeeeesssaeees 62 Overload I 20 53 57 62 P Parameters soc e eere e v Ee eret eee eee erede ve eee 54 Pl Dc SE 49 Power Battery Pack ROO 64 Powering Your Vexo Meter esesesesesee senes nnns 24 R nERI Ee EE 30 RallgeScus OO 58 Recharging the Battery Pack sees enne enne 26 Record State e e di ee ieee ciegos alive ree e AEO e eee er a oan da ea inci 48 S EVE 46 Settirigs ciere eee regere oat eene oe tae eoe coevesdathiehededeetesdotheds ce eet ae ibi 36 Settling TIme oot
17. E aaa 60 SHOW Results dina A vaio Pasos a sro as alo odo E goes 42 50 Stabilizatiori Time ieri ene e onere ente osea ar ge eoe oen eee epos 60 Standards m nt DERE EE EERRER anaes ESPERE TUE ERE IERI 0p 57 Stop State AO 47 Switching Your Vexo Meter Off isses enne enne 27 Switching Your Vexo Meter On essssssseeeeeene eere enne ennt nnns 27 T Technical Specification ccccccccssscccssscccecssscecssseeecsssseceeaececeesseeecssseeees 57 Temperature Operating Range ccccccccccccccecccececccecececececesceeseseseeesesesens 60 TIO esc ter tees e EDO ER PE Pete OA B for a 38 eISu lrame e 60 Stabilization aeter ett edere tee eee eon d pete ede dh 60 Warm eT ETT MERC E 60 Transducer Mounting Hand Arii ore tete ree PNE tice Poe NA its costes date 17 TT OF A 27 LEAO I 2c cca A REA ctia eese uada es eue Cue co Pao a ean ode a aeuo eL e eu cares 27 U Under Ranges orant rot E e T P T AREE EHE 20 52 57 A E 36 Using the Vexo Hle ttem abes tete reed 47 V MeloGity iiie ee E ed ire eee BERRY XR Te hen tevite e ee PAESI 15 Vexo USB Drivers cuatri iia ss Shai ae 55 MibdataLl TE et ete t te e E ERE EE RR ON DRE GER 55 Vibration Direct O ios Se ASE Se eo en ct Pee Ep E ed eU aee a eed c aeneo te ue e cote eua cae 18 A TH E e RERO RM 19 Meas rlng osos ee eene eee ee ee EEE VENE eee ape eaae 17 Ww Warm Up TIME vecccccccsveccccscecceetoeseccocecvesaesoedecessededseevedoubes em 60 WAV DES 68
18. S 60 Maximum Electrical Input Level 60 Wiring Configuration cccccccccsscccsssceceesssceceessececesseceeseseceeueeeeeseaes 63 Instrument Detalla rdc de E TO EO e VUES 70 INTO CON ERR RERO 14 K Keypad Layouts atento ES RE D E PE ees 23 L Level Rariges 1 5 neret aseteste tee Pete ana 58 Limitar ie e iae ei RS 51 Limit Levels Hangd Armis nnde ttem ibdittne tun TT 51 M Measuring Range Sen eaaa aane aaraa a aaa aaa A Eaa SEESE IEE En aat RE eri 58 Measuring Vibration ooocccncconononoonnoncnnononnnononnnnnnnnnnnnncnnnnononnnnnccncanenonnns 17 MEMO A iioi AAA E E 62 Menu lere E E 30 Files riot E EE E AA A EEN I raaa OSEA 31 Delete AlFe S n cta e naene Ea aoo ehe OR Reset b enin 35 Delete Single File n aene ia 34 Open 7 Days eee eee de eo ee een d eoe gea eoo roe eeu eee go 33 Opern Allied teste autem 31 OO E ite cic tee Ms ee RE O 32 Meter id 40 AA ai 30 A E O 36 Brighttiess sioe eere tere cia era EO sona FREUE Pe AR RR RIA ERR EN DRE 37 rnc EET 38 Dat E E 39 File Naming etti A ge E EE e RE COE YER MEER 39 TEMG oreet Re ERI RR MR 38 Meter CalibratlOr ti a E EE ARA 43 Calibrate A USt em 44 Measurement nere eee ener e ee eainiie ano 43 Configutatiohn us needs idad 41 Exposure POINTS ieina inean tte doe ero prod de netta ee een CEPS UR e 41 Show Results inne rias 42 Information see eerte e reto tere e ER doesn 42 aij m 40 ncc E RiNS 36 Structure sod aan Io re QU 2
19. Use the key to highlight the required option and press ee to select Press 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 e key to change the value highlighted then press en to move the highlight to the next position If an invalid time is selected the warning message Invalid Time will be displayed in red 14 32 23 08 12 Invalid Time warning Message 4 Press to return to the previous screen with any valid changes made Page 38 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 e 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 3 Press Q 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 A Use the key to highlight the required option and press Ge to select The option will be selected and t
20. able You might also like to make use of our ex rental purchase as a way of keeping your equipment costs down e Easyon Cash Flow e Shortor Long Term Rentals e Letthe Taxman Pay on Contracts e Try Before You Buy e 4 weeks 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 H GA2006H Tri Axial Hand Arm Vibration Meter HARM Thank you for purchasing your product from Castle Group Ltd The Vexo H Tri Axial vibration meter brings simplicity looks value for money and power to the world of vibration monitoring The instrument is fully compliant with the standard ISO 8041 2005 and has been designed to make sure workers do not exceed the exposure to vibration levels as stated by the Control of Vibration at Work Regulations 2005 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 H vibration meter have all these features in a small and ergonomic case but it is also supplied with a rechargeable battery pack featuring the latest NiMH technology which incorporates extremely low self discharge Every part of
21. able 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 68 The instrument will not power on Recharge or replace the battery pack The Instrument is not responding on all or individual axis to inputted vibration levels 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 The instrument is displaying unexpected readings in one or more modes of operation Are the sensitivity values entered correctly Ensure the transducer is fitted securely to the source of vibration Ensure cable is securely fastened The overload indicator is permanently on Change to a higher range The overload indicator comes on before the top of th
22. arameters using the key The parameters screens available whilst in Playback Mode are File Details Arms Aeq Peak Vector Exposure Exit Playback by pressing either or or and the instrument is placed into Stop State Page 49 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 the top left hand corner Play Symbol amp Recording Time 00 02 00 Wh f 1 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 File Details Arms Aeq Peak Vector Exposure lt Only Available if Exposure Points are On Exit Playback by pressing either Qo or pe and the instrument is placed into Stop State Page 50 Exposure Points On When a recording is stopped and the option Exposure Points is turned on then the instrument will automatically enter Playback and display the Exposure Point values 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 Play Symbol amp Recording Time 00 02 00 Whf 1 Exposure Points are shown for pe
23. comprehensive instructions please refer to the VibdataPro user manual Page 55 Chapter 8 Accessories GA606 Vibration Calibrator KAO10V Carry Case for Vexo and Accessories KD1010 HARM Tri axial Accelerometer KD1202 Mounting Studs Pk 5 KD1211 Cable Ties Metal Barbed Pk 100 KD1215 Transducer Mounting Glue and Stud Pack KD1217 Transducer Petro wax Mounting Compound PCOO9 VibdataPro Vibration Analysis Software TTAKIT Tensioning Tool and 100 Cable Ties Metal Barbed 01KD1218 Transducer Mounting Block and Screw O1VIBBATT 2 4V 2100mAh NiMH Battery Pack 01PSU5 NiMH Battery Pack Recharger 01ZL1065 01 AC Output Cable 1 metre 01Z2L1108 01 USB Download Cable 1 metre supplied with the Vexo H upgrade from supplied Vibdata LITE Page 56 Chapter 9 Technical Specification Applicable Standards ISO 8041 2005 Human Response to Vibration Measuring Instrumentation Noise Floors Normal Operating Mode Fitted with Hand Arm accelerometer KD1010 Overload amp Under Range Triggering Points Range m s rms Axis z Low High X 0 002 0 02 Y 0 002 0 02 Z 0 002 0 02 Points when calibrated with an accelerometer of sensitivity 10 0mV g Acceleration Metric m s RANGE UR OL LOW 0 050 200 0 HIGH 0 500 2000 0 Acceleration g RANGE UR OL LOW 0 0051 20 40 HIGH 0 0510 204 0 Page 57
24. 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 SD Simon Bull Managing Director Note for Getting Started section please turn to Chapter 4 Precautions Only operate the instrument as described in this manual These are precision instruments protect from shocks and physical extremes 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 O Always turn the unit off after use e 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 e 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 e 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 H Vibration Meter read i
25. 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 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 Temperature Monitoring System Thermometers Thermal Imaging Diagnostic Vibration Analysis Tachometers Inspection Endoscopes 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 doesn t 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 gt 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 extensi
26. e range is reached 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 69 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 correspondence with Castle Group Ltd regarding your instrument please complete the following details Hil Page 70 A ACCOler ATION 0S 15 Accelerometer diac er EP NETS 16 his 16 SONS Y ii rt drenan lige co evactodhiesdeesesdiebastededoeseesoes 46 Specifications iaa A ream 15 59 Action Levels Hand A Mi e ads laa coast clin 51 AUTO DIM O 37 B Battery Indicator i naandiunebn ER e CEN AR aft 25 UT doe a AO 64 Reca INE ici eene tener eae eee a a aia 26 Battery Indicator o2 A atodos 25 Battery Pack cede uet r hon i ERR hee RUIT TE ER caveat WES EE ERU ed 64 Brightn
27. ess C Calla id dada deis HEELS 43 Calibrate rin anet ea ta ran a i a aad iea 44 Measures id li r ORE RUE VI Ree eSEE 43 Vallata a e a a e n e e 45 Configuration 4 eicere eoe e E E deae aia 41 GONMECEION See iioi o 62 Customer SUP OTE aono noe HEURE tn eo tte tido cde aT anaa a a RAA edehbes 68 D BE er nita idee tdi sr m dt 39 Delete All Files oe i oci toti dete o ma isa cera ees deo et oe preteen ER DPONE Single File Disclaimer ne ete a a aaan E EC Declaration sss corro tt e odas 65 Electrical Noise iier t eene eere eee Dada oet Fora rige ee o Pos 57 Exposure Action Level iter triada cerae los 51 Limit Loved me B 51 POINTS cs NS 41 51 F File Narmirg niii ree eere eren ot RH Pee Urs 39 FUN E LE 31 Playback frr de e REGE eR ix 49 Frequency Weighted Filters eese enne enne 58 Hand AEImu itn te ores e eue ee Lass aacacexs at e e UE Reg epe erase ge crasas 19 Table Dita 3aisesSSU ns ue a a 58 Frequency WeightiNgS ooooocncconocoooonnnncconononnnnnononnonnnnnnncnnonnononnnnncncanononnns 58 Function EQUATIONS 2 2 59 2 errare dede cte be ecc Fe docekeds do 66 G Gerieral oec OR Ie etu taceant 38 Getting Started etcetera ete e e TRE o Exe PO Hs dede Vua des 21 orbe 23 I Indicator Oe Oi E ea Aa ee aee udis 53 WINGER Range iie eese teeth eene te ct aree ete o x RARE DRE ERR AAR OR PEE ETE 52 Informations sie oder ae Senin RATER las 42 Input Electrical Signal i rr Pm ete e NE RARU
28. he HARM accelerometer using the supplied screw and tightened using a Phillips screw driver The mounting block can then be mounted to the vibration source using hose clamps or plastic ties If plastic ties are used it is recommended that they are tightened using a tie tensioning tool Attaching devices such as clamps and the accelerometer to hand held devices may alter the mass of the vibration source and will inevitably slightly alter the vibration emitted from the device it is therefore recommended to keep the mass of hose clips or clamps to a minimum Other mounting possibilities to mount the accelerometer to the vibration source are tapping a stud into the vibration source and attaching the accelerometer to the stud Alternatively the stud may be adhered to the device rather than tapped with an adhesive that dries rigid Castle Group Ltd can supply a glue and stud pack if required order code KD1215 See Accessories for more options Page 17 Vibration Direction For Hand Arm vibration the three axes being measured can be measured in any orientation however it is recommended that the suggested axes indicated in the figure below are used f this is not possible then choosing other axes orientation is permissible and will not affect your measured data In all cases it is strongly recommended to make notes on the axes used relative to the vibration source This information will be required if vibration control is to be implemented on
29. he previous menu screen will be displayed Press 6 to return to the previous screen without making a selection Page 39 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 ee to select Press to return to the previous screen without making a selection Reset Select this option to reset 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 40 Configuration Select this option to change operational configuration settings 14 32 23 08 12 Use the key to highlight the required option and press to select Press Q to return to the previous screen without making a selection Exposure Points Select this option to determine if your Vexo H instrument should display exposure points 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 6 to return to the previous screen without making a selection Exposure points were developed in the UK by the Health and Safety Executive such that combinations of vibration magnitude and exposure time are given in Exposure Points rather than in values in m s Exposure points may be easier to work with as
30. hing Your Vexo Meter On Orionis 27 CHAPTER B i ii eik 28 Ment SE CRIP case cst DELE 28 Menu Options Open All 2x31 Open Today s de Opern Z Bays e at P ORB ig 33 Delete Single Filesi tet tte 34 Delete All Files 9 Settings 98 Units 98 Brightness 37 Auto Dim General Time COMU etlOri surrender tight retenti petiere 41 Exposure Points mairena ioa het e e iade 41 Show Results xx lee o AR E o e I s 42 AAA e e bU Neuen ER Ad 42 GaliDPationza s E oes cco dae e M S 43 Measurement n e ee 43 OSMA t nette ea 46 CHAPTER B erts ii so etude audet 47 Using the Vexo H soo es do 47 Stop State Record State cecscsssssssssscsssesssecssscsssecssscsssesssecssscsssscsusesssesssecssscsssecssscsssesssecaseessuecssecassecsneessees Playback dae t RR a Ad HM EID ABA aite Mas Show Results On Exposure Points Oficina tds 51 Under Range Indicator 2 ace atender 58 Overload Indicator 53 Parameters 54 Arms 54 Aeq 54 Amax 54 Peak e ec n thd native e Dee e Pe tem et e eter 54 AM Ieiro EAM EHE 54 EXBOSUPEL LEER D LEE ER C C ON 54 CHAPTER 7 ici etii ti meh icr reci ei i Rocca 55 Downloading Saved Recordings to a PC 55 Miri 56 AGGeSSOTFIGS csi t E UL UR A 56 CHAPTER 9 n 57 Technical Specification a AL aiani 57 Applicab
31. ing 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 27 Chapter 5 Menu Structure Whilst in Stop State press Gto 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 then the Files option is not selectable Press Ho 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 Open All Open Today s Files Open 7 Days Delete Single File amm U Delete All Files Page 28 Page 29 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
32. ion Always used for Hand Arm Vibration measurement in the X Y Wh and Z Axis Wh Filter Frequency Response 0 10 1 00 10 00 100 00 1000 00 10000 00 Gain dB Frequency Hz Page 19 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 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
33. ious menu screen will be displayed Press to return to the previous screen without making a selection Page 36 Brightness Select this option to change the display brightness of your Vexo instrument 14 32 23 08 12 Use the key to change the brightness level and the press 9 to return to the previous screen with the selected brightness level The display brightness can be adjusted between 20 and 100 in 20 steps Press Q 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 4 current selection Use the S 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 37 General Select this option to open another menu level of General options 14 32 23 08 12
34. ironment 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 safety 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 Quality Airflow EMF Testing and Monitoring Portable Appliance Testing PAT General Compliance and Risk 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 Stack Emissions Monitoring Environmental Air Sampling Water Quality Testing MAINTENANCE AND DIAGNOSTICS Production plant needs maintenance and if this can be
35. le Standards esee errores 57 Noise Floors Normal Operating Mode Overload amp Under Range Triggering Points 57 Level Ranges s aoa n EAR ERR STRA RA Ets 58 Frequency Welghtintgs m ntt timetis 58 AGGelePonmetern reuera ne Mie oe ente tier Miele E 59 Electrical Signal Input eerte tnnt tttnnnnntis 60 Maximum Electrical Signal Input For No Damage 60 Environmental Stabilization Time NAV Err lps Time io lee tot ditte dette ta A cte tcd he Settling Tie uu op o cta e dtp Ge a t na e s Temperature Operating Range Effect of Air Temperature Effect of Surface Temperature Real Time Clock Digital Signal Processing Analogue to Digital Converter amp Microcontroller s 61 Displayed Measurement Resolution eene 61 BI 61 ME itadie i iaidd eil ri and 62 Overload Size and Weight 62 GORMECHIONS en RR 62 A Rh ti RR s 62 Wiring Configuration 4 Pole Jack Socket 3 5mm 88 Da eene etes 83 Wiring Configuration Micro USB B Socket 88 Input Signal nsn nenene seen 63 Wiring Configuration Lemo Socket EGG OB 305 CLL 838 Battery Recharge seen tenentes 63 Batteries sses 84 EC Declaration of Conformity esssssssesssscsssessscsssssesscsssessessssessecsssessessesessensseeessenseses 65 CHAPTER TD
36. load Indicator Each axis on the Vexo H has independent Overload indicators which are 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 The overload indicator remains on for a minimum of 2 seconds or whilst the overload condition remains however during Stop State or Record State the overload indicator is latched on the following screens e Aeq e Vector 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 For Vector Sum where cumulative figures are used and where Exposure Points are being displayed the location of the overload indicator is as below The indicator on this screen identifies that at least one axis has at some stage overloaded Overload Indicator Page 53 Parameters The parameters that are recorded and displayed on your Vexo H instrument are as follows lt Only available by downloading files Parameters measured as Acceleration are identified as Acceleration with a preceding A Brief descriptions of each parameter are given below and for full mathematical descriptions
37. riods of 15 minutes 30 minutes and 1 hour The values are also colour coded to give instant visual indication and are based on the following criteria in the UK specified by the HSE 0 to 100 4 3 Less than Action Value gt 100to 400 4 Aware Action Value Exceeded mM Warning Limit Level Reached Exit Playback by pressing either a or e and the instrument is placed into Stop State In accordance with the European Union Physical Agents Directive the Action Level and upper Limit Level are set as follows Hand Arm Action Level 2 50 ms 100 Points Limit Level 5 00 ms 400 Points Page 51 Under Range Indicator Each axis on the Vexo H has independent Under Range indicators which are visible in Stop State or Record 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 at the far right of each axis where the condition occurs Under Range Indicator The under range indicator remains on for a minimum of 2 seconds or whilst the under range condition remains For Vector Sum where cumulative figures are used the location of the under range indicator is as below The indicator on this screen identifies that at least one axis has at some stage gone under range Under Range Indicator Page 52 Over
38. saturates See Overload amp Under Range Triggering Points for overload triggering points Size and Weight Dimensions H 1 17mm without Cable x W 78mm x D 24mm Weight 182g approximately including batteries Connections AC Output Unweighted Short circuit Protected Load Impedance gt 10k recommended AC Output Voltages Range Output Voltage rms at full scale 1 5dB LOW 1000mV HIGH 1000mV Wiring Configuration 4 Pole Jack Socket 3 5mm AC Output Pin Number Description 1 Analogue Ground vO 1 2 X AS Output SEEKS E 3 Y Axis Output A 5 4 Z Axis Output Page 62 Download USB 1 0 or 2 0 compatible Wiring Configuration Micro USB B Socket Download Pin Number Description 1 Vcc 2 D 3 D 4 Not Connected 5 Ground Input Signal Voltage Mode 3 Channel Input Wiring Configuration Lemo Socket EGG OB 305 CLL Mating Lemo Plug FGG OB 305 CLADS52Z External View Transducer Input Socket Pin Number Description 1 5V 2 Analogue Ground 3 X Axis Input 4 Y Axis Input 5 Z Axis Input Battery Recharge Powered from a nominal AC supply using Mascot 2116 2 cell battery charger Centre Terminal OV Outer Terminal TV Page 63 Batteries Real Time Clock Life Expectancy Main Life Expectancy Min Battery Level CR1220 Lithium Battery Factory Fitted
39. selected the warning message 05 00 to 15 00 only will be displayed in red 14 32 23 08 12 Value Not Valid warning Message A Press 6 to return to the previous screen cancelling any changes made Repeat for all axes as required Page 46 Chapter 6 Using the Vexo H The Vexo H 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 H instrument and whilst in this state limited calculations are displayed on the instruments screen but no values are recorded in the internal flash memory It is only possible to change Settings and undertake Calibration of the instrument whilst in Stop State Exposure Points are not available when in Stop State Weighting Parameter Range Battery Level Measurements Scroll through the available parameters using the key The parameters available in Stop State are Arms Aeq Peak Vector Weighting is fixed to Wh Hand Arm on the Vexo H instrument the range can be changed through the Main Menu To start a recording Record State press the n key at any time Page 47 Record State Whilst the instrument is in the Record State the vibration activity is analysed and all parameters available on your instrument are calculated Record State is easily identified by the Record Symbol and the Recording Time in the top left hand
40. t Do not twist the connector doing so will likely damage internal wiring which would not be covered under warranty Removal of the accelerometer can be achieved with the instrument powered on or off Page 16 Chapter 3 Measuring Vibration Hand Arm Vibration It is advisable to validate your instrument prior to and after taking measurements using a known vibration source such as the Castle GABOG Vibration Calibrator To ensure measurements are as accurate and as repeatable as possible always ensure that your cable is tightened securely to your accelerometer and that the accelerometer is mounted as securely and as flush as possible to the vibration source The trailing cable of the accelerometer should also be attached to the vibration source without creating a potential hazard for the operator or other people Where possible always mount the accelerometer as near to the centre of where the operator holds and grips the vibration source In reality this is not always possible and the best compromise must be achieved Measurement durations are dependant on the vibration source and a minimum period of 30 seconds for Hand Arm Vibration is recommended Measurement periods of 3 to 15 minutes are often used for Hand Arm vibration These increased durations will undoubtedly increase the accuracy and repeatability of your measured results Hand Arm Vibration Transducer Mounting The supplied mounting block can be attached to t
41. t 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 key to highlight the required file and press ee to open it If more than 5 files exist then use the e key to scroll through the available recordings 16 32 23 08 12 Press Qo to return to the previous screen without making a selection Page 32 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 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 ee 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 to return to the previous screen without making a selection Page 33 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 1
42. t carefully 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 44 0 1723 583728 Ik k techsupport castlegroup co uk sales castlegroup co uk Contents CHAPTER ui la 14 alega To 8 Te 01 M PO aia ANa ai 14 Vexo H GA2006H Tri Axial Hand Arm Vibration Meter HARM 14 GHABTEB B oscars 15 Accelerometer Type Removal and Fitting eee 15 Accelerometer Typa nisni s n tee ette P eet Hi DR d 15 Vexo H Hand Arm Tri Axial Accelerometer KD 101 O 15 Attaching amp Removing the Accelerometer eee 16 CHAPTER Ds disce sibi a nai 17 Measuring VIDPation iti aee ane ttu e eem 17 Hand Arm Vibration sss 17 Hand Arm Vibration Transducer Mounting 17 Vibration Direction cesses 18 Vibration Level 18 Frequency Weighting Filter 19 Under Range amp Overload Conditions 20 Under Range Condition un eessssssssssssssssssscssssssscssssessessssesssessseessessesessenssesessenseees 20 Overload COMMON cual 2 2 0 A A AN NA 20 CHAPTER A S 21 ES AAA ea TO 21 Keypad Olarra iaa tdt 23 Powering Your Vexo Meter esent trennen rear rear 24 Battery Indicator 25 Recharging the Battery Pack 26 Switc
43. take Calibration of the instrument Stop State Record State and playback can easily be distinguished Stop State Record State Record State shows Record Symbol and Time Recorded Z 1 04 m s Playback 00 02 01 Wh Playback shows Play Symbol and Total Time Recorded Z 4 01 m s Page 21 Whilst in Stop State press Gu open the Main Menu This key is also used to step back to the previous screen With the Main Menu screen open use Q9 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 Qc 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 menu structure is described in detail in Chapter 5 Please be aware that your Vexo H 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 22 Keypad Layout Please note that some keys have a dual function Castle O Serial No 067909 Scroll UE VIBRATION METER Record Stop Power On Off Main Menu Back Figure 2 Keypad Layout Page 23 Powering Your Vexo Meter
44. tched on Calibration of each axis 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 44 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 highlighted 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 lt _ Press to return to the previous screen with any valid changes made Page 45 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 14 32 23 08 12 Press Q to return to the previous screen with any valid changes made Use the e key to highlight the relevant axis and press SS to select and change its value 14 32 23 08 12 Use the e key to change the value highlighted then press e to move the highlight to the next position Valid levels are between 5 00 and 15 00 mV g If an invalid value is
45. 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 H combating HAVS has become even easier Page 14 Chapter 2 Accelerometer Type Removal and Fitting The accelerometer for use with the Vexo H 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 2 e ms e m s Accelerometer Type Vexo H Hand Arm Tri Axial Accelerometer KD1010 Hand Arm 10mV g 200g 2 to 5000Hz 10 Page 15 Attaching amp Removing the Accelerometer On the accelerometer cable connector locate the orientation key and on the instrument locate the RED keying identification mark of the 5 pin Lemo socket Position the accelerometer cable so that the orientation key is in line with the RED mark and then gently push the accelerometer cable into the instruments socket To unlatch and remove the accelerometer cable gently pull the on the knurled part of the stem and pull the accelerometer from the instrumen
46. 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 c CS Simon Bull Managing Director Castle Group Ltd Salter Road Scarborough North Yorkshire YO11 3UZ August 2012 Page 65 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 Function Equation ae 2 aw ta d ta Acceleration Marnic T total integration time seconds a ta instantaneous acceleration value ta time seconds T CEET f aw ta afta 9 EN PEA wu Acceleration 9 807 T o g T total integration time seconds au ta instantaneous acceleration value ta time seconds ns 2 ew ta d ta Running rms Acceleration Nu i d Metric t instantaneous time seconds 0 integration time of the measurement 1 second a ta instantaneous acceleration value ta time seconds t 1 1 2 ANE Seay a aw ta dta g Running rms Acceleration l g t instantaneous time seconds 0 integration time of the measurement 1 second a ta instantaneous acceleration value ta time seconds Page 66
47. the vibration source Figure 1 Recommended Axes for Hand Arm Vibration Page 18 Vibration Level In some environments high levels of vibration may occur Before you record measurements take the time to ensure you have selected the optimum range for the process being recorded The optimum range is generally the lowest range that can be selected that does not produce an overload condition for the process being monitored Where high levels of vibration are encountered the meter may register an overload and in these circumstances the meter will display that this has occurred In such cases you will need to select the high range to accommodate the higher peak levels and if Overload conditions are still occurring on the high range it may be necessary to use an impact filter on the accelerometer If the vibration levels are too low for the range selected then the meter will display an under range condition Under these circumstances you will need to select the low range if possible For more detailed information see Under Range amp Overload Conditions Frequency Weighting Filter The human body s discomfort level to vibration alters depending on the vibration frequency and where the vibration is in contact with the body Your Vexo H meter therefore has the following frequency weighting filter which is applied to the measured vibration signal using a fast processor for superior accuracy Hand Arm Vibration Filter Descript
48. ve 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 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 01723 584250 e Noise and Vibration COSHH Assessments gt A e Light Temperature EMF y Assessments Environmental Monitoring Expert Witness Diagnostic Engineering Engineering Control Solutions Risk Management Health Surveillance Services Health and Safety Department Support Service 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 01723 584250 e Ifit Measures and can be done

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