User Manual

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SPECIFICATIONS vb7
®
DATA ANALYZERS REMARKS
Sensor Input
Sensor input 2channels Simultaneoussampling
Compatiblesensortypes Accelerometer,velocity,
displacement,current
ACcoupledrange 16Vpeak-peak Allowsfor±8Vsensoroutput
swing(±80g)
DCcoupledranges 0Vto20V,-10Vto10V,
-20Vto0V
E.g.forreadingprox-probegap
Connectors 2xBNC(CH1/CH2) Safetyfeature:Break-free
inline connector
Analogtodigitalconversion 24-bitADC
Sensorexcitationcurrent 0mAor2.2mA(configurable),
24Vmaximum
2.2mArequiredforICP®-type
accelerometer
Sensordetection Warnsifshortcircuitornot
connected
Tachometer
Sensor Lasersensorwithreflective
tape
Sensortriggersonbeam
reflection
Lasersensorrange 10cmto2mnominal Dependsonsizeofreflective
tape
OtherSensortypessupported Contact,TTLpulse,
Keyphasor
®
Opticallyisolatedinput
Powersupplytosensor 5V,50mA
TTLpulserating 3.5V(4mA)min,28V(5mA)
max,off-state0.8V
Keyphasor®thresholds 7.7±0.5V,13.3±0.8V,
18.8±1V
Nominally8V,13V,18V
Speedrange 10to300000RPM(0.2to
5kHz)
Pulsewidthatleast0.1ms
Accuracy +/-0.1%
Outputtodrivestrobe Upto140Hz(8400CPM) Typical.Dependsonstrobe
type.Specialcablerequired.
Parameter Indication
Maximumlevels
>1000g(10000m/s2)
>1000in/sec(25000mm/s)
>100in(2500mm),
>10000amps
Effective limit is sensor
sensitivityandoutputvoltage
Dynamicsignalrange
>95dB(typicalat400line
resolution)
Harmonicdistortion Lessthan-70dBtypical Otherdistortionsandnoise
are lower
Units gorm/s2
in/s or mm/s
mil or mm or µm
adB,vdB,amps,user-defined
0-peak,peak-peakorRMS.
Auto-scaleby1000xwhen
required
US&SIoptionsforbothadB
&vdB
Magnitude&cursors OverallRMSvalue,dual
cursors,harmonics
Digitalreadoutsonchart
Baseaccuracy ±1%(approx.0.1dB) ForDClevel:%offullscale.
ForACsignal:%ofreading
Highfrequencyattenuation
≤0.1dB100Hzto10kHz
≤3dB>10kHzto40kHz
Attenuation tolerances are in
additiontobaseaccuracy
ACcouplingattenuation
≤0.1dB10Hzto<100Hz
≤3dB1Hzto<10Hz
AttenuationduetoIntegration
≤0.1dB1Hzto<100Hz
≤1.5dB0.2Hzto<1Hz
≤0.1dB10Hzto<100Hz
≤1.5dB1Hzto<10Hz
Lowfreq.mode:Whencoupling
=DC,Fmax≤100Hz.
Normalmode:Applicableinall
othercases.
Valuesapplytosingle
integration(accel.toveloc.).
Doublethevaluesfordouble
integration(accel.todispl.).
Spectrum Display
Fmaxranges 25,50,100,125,150,200,
300,400,500,600,800,1000,
1200,1600,2000,2500,3000,
4000,5000,6000,8000,10000,
15000,20000,30000,
40000Hz
OrequivalentCPMvalues
Ororders-basedfrom1Xto
999X
Fminpossiblerange 0toFmax Instrumentzeroesallspectral
linesbelowFmin
Resolution 400,800,1600,3200,6400lines 3200linesmax.fordual
channelmeasurements
Frequencyscale Hz,CPM,Orders Linearscalewithzooming
Amplitudescale Acceleration,velocity,
displacementorcurrent
Linearorlogscales,autoor
manualscaling
Windowshapes Hanning,rectangular
Overlap (0,12.5,25,37.5,50,62.5,75,
87.5)%
DependentonFmaxand
numberoflines
Numberofaverages 1,2,4,8,16,32,64,128 Increasessamplingtime
proportionally
Averagingtypes Linear,exponential,
peakhold,synchronous
SPECIFICATIONS vb7
®
DATA ANALYZERS REMARKS
Spectrum Display Continued
Demodulationbandwidths 23bandwidthoptions From125Hzto1250Hzupto
16kHzto20kHz
6Pack Upto40kHz&3200lines1
channel
Upto20kHz&1600lines2
channel
Spectrumandwaveformfor
lowfreq,highfreq,demod.
Ordertracking Upto6kHzFmax,Orders-based Tachometerrequired,mounted
onhigh-speedshaft
Ordertracking-Distortion Lessthan-65dB Within50%to200%speed
variationduringrecording
Waveform Display
Numberofsamples 1024,2048,4096,8192,16384
Timescale 10msto256seconds Orordersbasedfrom1to
999 revs
Timesynchronousaverages 1,2,4,8,16,32,64,128 Onlyavailablewhen
tachometertriggered
LongtimewaveformFmax 25Hzto40kHz 20kHzdualchannel
Longtimewaveformduration 14.7millionsamples(totalover
channels)
E.g.forFmax1kHz,Fsample=
2.56kHzandDuration=1.6hrs
Logging & Analysis
Outputformats LCDscreen,Ascent,XML
Datastorage Dual1GBnon-volatileflash
memories
Databasemirrorcopyon
secondflashmemory
Datastoragestructure Folders/machines/points/
locations / routes
Nolimitsareapplied,50
characternames
MaxFoldersize 10000measurementlocations
Balancing
Planes Upto2planes,2sensors
Speedrange 30to60000RPM
Measurementtype Acceleration,velocity,
displacement
Weightmodes Angle0°to360°,fixedposition,
circumference arc
E.g.weightsonfan
blades,lineardist.around
circumference
Removetrialweights Yes,No Automatic recalculation
Manualdataentry Yes Allowsre-entryofprevious
balancejobs
Storage Againstmachinesindata
structure
Nolimitsapplied
Display & Communication
Display GraphicGrayscaleLCD WhiteLEDBacklight
Resolution&size 480x320(HVGA),5.5”(140
mm)
Readableindirectsunlight
SupportedLanguages ENG,FRE,SPA,POR,RUS,CHI FirmwarereleasesinEnglish,
CommunicationwithPC USBandEthernet PROFLASHallowsinstrument
softwaretobeupgraded
USBhostport USB2.0,supplying5V,250mA SavefolderstoUSBflashdrive
Battery & Charger
Batterytype CustomLithiumIonpack,
7.4V,4500mAh
Operatingtime 10hours Backlighton(60second
time-out)
Chargertype Internalcharging,
automatic control
Externalpowerpack12VDC,
3 A output
Chargerate 3 A nominal 3hoursforcompletecharge
Mechanical
Size 9.9”Wx5.8”Lx2.4”H
(252x148x60)mm
Weight 2.7lb(1.2kg) Includingbatteryandstrap
Environmental
Operatingtemperature 14°Fto122°F(-10to50)°C
Storagetemperature&
humidity
-4°Fto140°F(-20to60)°C,
95%RH
Ifstorageexceeds1month:Up
to95F(35C),85%RH
EMC EN61326
Ruggedness 4’(1.2m)dropontoconcrete,
IP65
Procedure:26dropsfollowing
MIL-STD-810F-516.5-IV