GPT4 ReVibe rtable Vibration Meter型号2511说明书
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A two position switch on the rcar panelenableseither a I kHz or 15 kHz low pass filter to be selected,which heavily attenuai€ the possible affect of high frequency vibration components on the accelerometermounted rcso-
ranse f.on 0,3H2 to 15kHz in the accele.ationmode,in the velocity and displacement modes the frequency mnge will be det€rminedby the inte grator filte.s. The frequency characte stics in the three modesis shown in Fig. 1.
. Failureforecaslingand troubteshootingin induskiapl lanl
. Measurementson vibrationtest set-ups
; DCLin;andDCLog recorderoutputs
-incalibrator
chargesr uppliedas standard
lOHz';;
D'sp.ja
3Hz' ;;
Drspl.:a
Table 1. Medsuins ranses of the 1!pe 2511 in canju tion uith thrce B&K accektunete1 The lisures .tuated.ate lar bi.le band meosure' hents. 1'he nininun BMS Leuels quoted Lle 6dB (2x) aboDethe uide band RMS naiseLdet
Meter \pe 2511is an exwide ranse irNl.rument is usedin conjunction wiih a ic a.celeDmek. to measu.e ical vibratioD and shock iD of acceleratioDv, elocity, and
Type2511is a valuabletool in
of nechanical slructures. ll
usedto nonilor vibration levels
ion machineson a pe.iodic
sothat lny increasecanbe noted
aciion taken m'avcehinefailuie. It
It is completely portais b'rilt to a high standardof and stability makins it suirboihlabo.atoryand field conThe iDstrumeDtis fully cali in both M€i.ic and B.itish md hasa chargeamplifi€. input allowsthe use ol lons cables ure acceleromelerand ihe wiihoutany reductiohin sensi-
low-passand high-passfilters
lilter available
r Vibrationmeasuremenlson iand,air, and sea vehicles
. Frequencyanalysisin conjunctionwith an exrernal filter
External Filter Input and output socketsof
BNC type are provided on th€ panei for di.ect connectionof an temal filter. The use of an filter will increase the venatility ihe instrument in that it canbe sequentially sensitive to a seri narrow beqlency hnds. This is essdy whereit is requiredto a frequencyanalysisof a signalo. catethe hequen.y at whicha i.al Fsondce peak occuF, fol ple. The po.table, battery Tunable Band PassFilter Type is ideal for use with the Type 251 Either 23% (approx.r,6Octave)o.3 bandwidths are switch selectable manually tunable over the freque ranse0,2Hz to 20 kHz- Tracking ter Type 1623 (see Fis.?) sives choiceof three bandwidths,69., 12 and 23%, and can also be tuned. The 1623can.add;tionallr, tuned fron an eat€mal sisnal,for ample from a photoelectric er, so that vibration level can be ted as a function of a machine's rns rotaiion speedand ils
Dynamic Range The measurinErangesshom in the
table ar€ tbr wide band measurenents wirhoutany extenal filter. The lowest measurabletevels are dependent on the intemal noiselevel of the instru ment, which is reducedas the measur ins bandwidth is reduced.With the useof thid octaveor narower bqndwidth extemal filters. measurehents canbe madeat signiticantlylower lev els.The lower linits shownin Table 1 are 6 dB above the wide band RMS
rtableVibrationMeter
type 2511
ES:
USES:
containerdechargeablbeatterysupply
. Measuremenat nd rnonitoringof vibralion rcvets
accelerationv,elocitya, nddisptacement on machinery
Supplied as standard equipment with the \pe 2511is a Rriiel & Kjler accelercmeterType43?0. This is a high quality piezoelect c devicewhich producesan electrical signal proportional to ihe accelerationto which it is subjecied and has an output of 10pclms ' (100pc/s). This acceler oneter will coverthe najo ty of ordina.y measuring needs but by using Acceleromete$ types 43?1/43& or Type 4378 which have sensitivitesof 0,1 x and 3,16x relative to the 'rype4370 the wofkins rdse of the instrument is considenbly increased. Tabte 1 sbowsthe measuringrangesof the Type 2511with the th.ee difierent
High pss filtem are incoryo.ated to limit the low frequency responBe of the ictNment to 1 Hz, 3 Hz or 10 Hz 6 deshed. This facility will reject the influenceof low frequencynoiseand w;ll be found particulaly usefulwhen neasudns low level sisnak in the ve locity ad displacementmodes.
befor may
ea be
i! p.oductionquality ntrol to
that nanufaciured goods are
specificatiobnelb.edisparch.It
us€d in tracking down rhe
of vibrai.ionswhich p.oduce
nance ircquency. For measurements at frequenciesabove I kHz with Acceleroneter Type 43?0 which hLs e useful operating irequency range ex tendingup to 6 kHz, exha attenuation of high frequency vibration compo nents is needed.This can be achieved by mounting the Acceleroneier on a MechanicalFilter UA0559 beforeat' taching it to the measurcmentpoint. Five UA0559's are Bupplied in the Me.hanical Filter Set UA 0553which is availableas an extra. Wilh Accelerometeft Type 4378 end 4371/4384 which have a useful operatins fre quency nnge extending up to 4 kHz and 12 kHz .espectively,the use of a mechanicalfilter is not necessdy-
sothai danping can be applied.
ign and development,it can be
563
usedin a,ssessintshe vibratio. "quali' ty" of ! prototype.In civil engineedng it can be usedin the investingationof vibration on mads, b dses, dans, buildings etc. Its operation is sinple and quite suitablefo. useby bon'sci' entific personnelnot conversantwith electronicinstNmentation.
In order to neasurevelocityor dis placenent paramete$, the accele.a lion signalfrom the transduceris inlegrated or double integraled.respe.-
Frequency Ranae and Fitters The instnnent has a frequency
etersovera verywiderange
r Productionqualityconkol
range0,3Hz to 15kHz al purposeaccelerometeinr cluded bratedin both Britishand Metric units andtrue peak-to-peakdetectorwith hotd lity
(31,6
Acc',nlj_ 3Hz-;;
With the instrument swit hed measuF RMS velocity,qith a
liniting frequencyof 10Hz, and
1 kHz Low Pa$ filter switched in, pass band of the Type 2511 approxihaiesihe requirementsof VDI. ISO, BS and DIN standdds vibration seveity measurements.. .
ranse f.on 0,3H2 to 15kHz in the accele.ationmode,in the velocity and displacement modes the frequency mnge will be det€rminedby the inte grator filte.s. The frequency characte stics in the three modesis shown in Fig. 1.
. Failureforecaslingand troubteshootingin induskiapl lanl
. Measurementson vibrationtest set-ups
; DCLin;andDCLog recorderoutputs
-incalibrator
chargesr uppliedas standard
lOHz';;
D'sp.ja
3Hz' ;;
Drspl.:a
Table 1. Medsuins ranses of the 1!pe 2511 in canju tion uith thrce B&K accektunete1 The lisures .tuated.ate lar bi.le band meosure' hents. 1'he nininun BMS Leuels quoted Lle 6dB (2x) aboDethe uide band RMS naiseLdet
Meter \pe 2511is an exwide ranse irNl.rument is usedin conjunction wiih a ic a.celeDmek. to measu.e ical vibratioD and shock iD of acceleratioDv, elocity, and
Type2511is a valuabletool in
of nechanical slructures. ll
usedto nonilor vibration levels
ion machineson a pe.iodic
sothat lny increasecanbe noted
aciion taken m'avcehinefailuie. It
It is completely portais b'rilt to a high standardof and stability makins it suirboihlabo.atoryand field conThe iDstrumeDtis fully cali in both M€i.ic and B.itish md hasa chargeamplifi€. input allowsthe use ol lons cables ure acceleromelerand ihe wiihoutany reductiohin sensi-
low-passand high-passfilters
lilter available
r Vibrationmeasuremenlson iand,air, and sea vehicles
. Frequencyanalysisin conjunctionwith an exrernal filter
External Filter Input and output socketsof
BNC type are provided on th€ panei for di.ect connectionof an temal filter. The use of an filter will increase the venatility ihe instrument in that it canbe sequentially sensitive to a seri narrow beqlency hnds. This is essdy whereit is requiredto a frequencyanalysisof a signalo. catethe hequen.y at whicha i.al Fsondce peak occuF, fol ple. The po.table, battery Tunable Band PassFilter Type is ideal for use with the Type 251 Either 23% (approx.r,6Octave)o.3 bandwidths are switch selectable manually tunable over the freque ranse0,2Hz to 20 kHz- Tracking ter Type 1623 (see Fis.?) sives choiceof three bandwidths,69., 12 and 23%, and can also be tuned. The 1623can.add;tionallr, tuned fron an eat€mal sisnal,for ample from a photoelectric er, so that vibration level can be ted as a function of a machine's rns rotaiion speedand ils
Dynamic Range The measurinErangesshom in the
table ar€ tbr wide band measurenents wirhoutany extenal filter. The lowest measurabletevels are dependent on the intemal noiselevel of the instru ment, which is reducedas the measur ins bandwidth is reduced.With the useof thid octaveor narower bqndwidth extemal filters. measurehents canbe madeat signiticantlylower lev els.The lower linits shownin Table 1 are 6 dB above the wide band RMS
rtableVibrationMeter
type 2511
ES:
USES:
containerdechargeablbeatterysupply
. Measuremenat nd rnonitoringof vibralion rcvets
accelerationv,elocitya, nddisptacement on machinery
Supplied as standard equipment with the \pe 2511is a Rriiel & Kjler accelercmeterType43?0. This is a high quality piezoelect c devicewhich producesan electrical signal proportional to ihe accelerationto which it is subjecied and has an output of 10pclms ' (100pc/s). This acceler oneter will coverthe najo ty of ordina.y measuring needs but by using Acceleromete$ types 43?1/43& or Type 4378 which have sensitivitesof 0,1 x and 3,16x relative to the 'rype4370 the wofkins rdse of the instrument is considenbly increased. Tabte 1 sbowsthe measuringrangesof the Type 2511with the th.ee difierent
High pss filtem are incoryo.ated to limit the low frequency responBe of the ictNment to 1 Hz, 3 Hz or 10 Hz 6 deshed. This facility will reject the influenceof low frequencynoiseand w;ll be found particulaly usefulwhen neasudns low level sisnak in the ve locity ad displacementmodes.
befor may
ea be
i! p.oductionquality ntrol to
that nanufaciured goods are
specificatiobnelb.edisparch.It
us€d in tracking down rhe
of vibrai.ionswhich p.oduce
nance ircquency. For measurements at frequenciesabove I kHz with Acceleroneter Type 43?0 which hLs e useful operating irequency range ex tendingup to 6 kHz, exha attenuation of high frequency vibration compo nents is needed.This can be achieved by mounting the Acceleroneier on a MechanicalFilter UA0559 beforeat' taching it to the measurcmentpoint. Five UA0559's are Bupplied in the Me.hanical Filter Set UA 0553which is availableas an extra. Wilh Accelerometeft Type 4378 end 4371/4384 which have a useful operatins fre quency nnge extending up to 4 kHz and 12 kHz .espectively,the use of a mechanicalfilter is not necessdy-
sothai danping can be applied.
ign and development,it can be
563
usedin a,ssessintshe vibratio. "quali' ty" of ! prototype.In civil engineedng it can be usedin the investingationof vibration on mads, b dses, dans, buildings etc. Its operation is sinple and quite suitablefo. useby bon'sci' entific personnelnot conversantwith electronicinstNmentation.
In order to neasurevelocityor dis placenent paramete$, the accele.a lion signalfrom the transduceris inlegrated or double integraled.respe.-
Frequency Ranae and Fitters The instnnent has a frequency
etersovera verywiderange
r Productionqualityconkol
range0,3Hz to 15kHz al purposeaccelerometeinr cluded bratedin both Britishand Metric units andtrue peak-to-peakdetectorwith hotd lity
(31,6
Acc',nlj_ 3Hz-;;
With the instrument swit hed measuF RMS velocity,qith a
liniting frequencyof 10Hz, and
1 kHz Low Pa$ filter switched in, pass band of the Type 2511 approxihaiesihe requirementsof VDI. ISO, BS and DIN standdds vibration seveity measurements.. .