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NetdB Pro-371
Modal Analysis Starter Kit
Expandable Professional Package
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Data Acquisition and FRF calculation
 | NetdB-DAQ12-4ch expandable to 6, 8, 12, up
to 512 for Sound & Vibration, Tachometers, other
signals (see separate NetdB-DAQ12 system data
sheet)
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| 51kHz sampling frequency, 24 bits, IEPE*
inputs, SPDIF & Headphones out
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| Operated from internal Batteries or car
12VDC
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| Transducers data base, Measurement set-up,
Autorange, Trigger settings
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| Excitation modes as: Impact or
Deterministic, Burst, Random, Shaker excitation,
MiMo
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| Modal Analysis measurements as: FRF with
estimators H1, H2, 1/H1, 1/H2, auto and
cross-spectra Gxx, Gxy, Coherence, Time
Recording
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| Direct export of acquired Gxx, FRF,
coherence, Time histories, etc.
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Modal Analysis and
Signal Processing
| Mode shapes, ODS, Transient Analysis, Time
domain response for Non-Linear and
Non-stationary time varying behavior
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| HP, LP, Notch Filtering, Re-sampling,
Spectra operation
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| Single and Double derivatives and
Integration (Displacement, Velocity,
Acceleration)
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| Complete set of function as Signal Editors,
Analyzer, Filtering, and Playback, FFT Analysis,
1/n analysis with Digital Filters, Waterfall and
sonogram |
Software Options
| RPM recording and Order analysis
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| Sound Imaging and Mapping
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| Sound Quality and Sound Perception |
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Modal Analysis on Vehicles, R&D on components, University Projects
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Signal input
| Input impedance: 1 MOhms
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| Input connection: DC or AC (0,3 or 20 Hz); BNC
connector
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| Signal conditioning: IEPE* (4.3 mA), Direct Input
for voltage signals
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| Max voltage input: 10V RMS (15 V p-p), Overload
protection
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| Channels Phase: < 0.5° |
A/D Converter
| Resolution: 24 bits sigma/delta
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| Sampling: 51.2 kHz max
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| Anti-aliasing: 140dB/octave
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| Offset: Automatic
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| Signal/Noise ratio: > 105 dB
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| Amplifiers: -20 / 0 / +20dB |
Dimensions
| Dimensions: 250 x 85 x 63 mm
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| Weight: 4.5 kg |
Power supply
| Connector: Neutrik XLR
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| Voltage/current: 12V-14V max 5A
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| Main adaptor: External Main Adaptor 100/240VAC -
50-60 Hz
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| Power consumption: 20W
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| AC adaptor supplied: AC (90-250V, 50 or 60 Hz)
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| Car adaptor supplied: DC 9-18V with jack
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| Battery: Internal NiMH 4000mAH
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| Battery life: 1h45 full speed running 12 channels |
Vibration Transducer -
Accelerometer
| Type: IEPE*
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| Frequency Response: 0.5Hz-15kHz
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| Sensitivity: 7 mV/g
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| Measurement range: +/- 500g
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| Weight: 6 gm |
Impact Hammer
| Type: IEPE*
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| Sensitivity: 11 mV/N
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| Measurement range: +/- 440 N
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| Weight: 160 gm |
Software dBFA Suite
| dBFA: Software including Recorder - Real Time
Analyzer - Post-Processing
modes: simultaneous signal recording and real-time
multiprocessing and monitoring, post processing analysis
(Average 1/n octave, 1/n octave vs. time, Average FFT,
FFT vs. Time, FRF...), calculation on spectra and
signals, white/pink/sine/sweep sine generator (if
available on hardware), color spectrogram and waterfall,
signal edition. Software option (included) for Impact
measurements mode: Coordinates management, user defined
windowing, Me'scope format export. Printed results and
export of diagrams and numerical values in most common
Windows forms. Customizable Report.
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| Me'Scope: Interactive animated display of Operating
Deflection Shapes and Mode Shapes from time or frequency
domain data. Single reference SDOF & MDOF modal
parameter estimation, FRF synthesis, and more. |
PC and operating system
| OS: MS Windows XP PRO
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| PC Processor: PIII or more, 600 MHz or more
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| RAM: 512 Mb or more
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| Ports: Ethernet 100Mbits/s |
Ordering Information:
NDB1002000-4: NetdB-DAQ12, restricted to 4 channels,
AC/DC/IEPE inputs, headphones and SPDIF outputs, 100GB hard
disk
SFA4050000: dBFA Software
Suite: Recorder - Analyzer - Post-Processing
SFA4061000: dBFA
Transient / Impact mode
COC2010000: ME'Scope
VT-570 Visual Modal
CAC3003000: PCB 086C02 (IEPE*
type) Modally Tuned® Impulse Hammer w/force sensor and tips,
0 to 440N, 11.2 mV/N
CPC314000: 10m BNC-BNC
cable (x3)
CAC3006000: IEPE*
accelerometer (A123TE, 7mV/g, 6grs, top connector) (x3
CPC3009000: Cable
(MP/BC/T18/50) 5m for accelerometer (Microdot-BNC) (x3)
* IEPE: Integrated PiezoElectric
Electronic
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Download PDF Brochure
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