Polytec PSV 300 - Page 66

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                                 
          
  
  
  
Conditions: sinusoidal vibration, f = 1kHz, amplitude 70% of full scale range,Conditions: sinusoidal vibration, f = 1kHz, amplitude 70% of full scale range,
load resistanceload resistance ≥≥11MMΩΩ
Output swing:Output swing:  ±±1010VV
OOuuttppuut t iimmppeeddaannccee:: 5500ΩΩ
MMiinniimmuum lm looaad d rreessiissttaannccee:: 110 k0 kΩΩ((−−0.5% additional error)0.5% additional error)
OverrOverrange inange indicator tdicator threshohreshold:ld: typ. 95% typ. 95% of full scaleof full scale
MMaaxxiimmuum m DDCC--ooffffsseett:: VVeelloocciitty y ddeeccooddeer r PPLLLL--DDCC:: ±± 50mV50mV
Velocity decoder OVD-04:Velocity decoder OVD-04: ±±20mV20mV
VelocityVelocity
decoderdecoder
MeasurementMeasurement
rangerange
Full scaleFull scale
outputoutput
ResolutionResolution
11
MaximumMaximum
frequencyfrequency
22
MaximumMaximum
accelerationacceleration
((ssccaalliinng g ffaaccttoorr) () (ppeeaakk--ppeeaakk)) --HH, , --UU --FF --HH, , --UU --FF
kkHHzz kkHHzz gg gg
PPLLLL--DDCC 11 2200 00..33 2200 2200 115500 115500
55 110000 00..33 5500 5500 11660000 11660000
2255 550000 00..88 5500 5500 88000000 88000000
OOVVDD--0044 1100 220000 00..55 220000 220000 1122000000 1122000000
2255 550000 22 225500 11000000 4400000000 116600000000
112255 22,,550000 55 225500 11550000 220000000000 11220000000000
11000000 2200000000 1100 225500 11550000 11660000000000 99660000000000
11
Resolution is defined as the signal amplitude (rms) at which the signal-to-noise ratio is 0dB in a 10Hz spectral bandwidthResolution is defined as the signal amplitude (rms) at which the signal-to-noise ratio is 0dB in a 10Hz spectral bandwidth
(RBW), measured at 3M Scotchlite Tape(RBW), measured at 3M Scotchlite Tape
®®
..
22
−−
1dB maximum error1dB maximum error
mmmm
ss
--------------------
VV
mmmm
ss
--------------------
 µµmm
ss
----------------
VelocityVelocity
decoderdecoder
MeasurementMeasurement
rangerange
Amplitude errorAmplitude error
@ T = (25@ T = (25
±±
5)°C5)°C
(T = (77(T = (77±± 9)°F)9)°F)
full operatingfull operating
temperature rangetemperature range
% % oof f rrmms s rreeaaddiinngg % % oof f rrmms s rreeaaddiinngg
PPLLLL--DDCC 11
±±1.01.0  ±± 1.21.255
2525
OOVVDD--0044 1100  ±± 1.01.0  ±±1.51.5
2525  ±± 1.01.0  ±± 2.02.0
125125  ±± 1.51.5  ±± 2.52.5
10001000
 ±±
1.51.5
 ±±
2.52.5
mmmm
ss
--------------------
VV