A portable 4 channel noise and vibration analysis system.
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The WCAmini AD-3661 FFT Analyzer from A&D is a portable 4 channel noise and vibration analysis system.
WCAPRO has an easy-to-manage user interface that can be operated as a Windows application. It also provides real-time FFT analysis for noise and vibration testing. Optional licenses for integration real-time octave analysis and tracking analysis are also available. The system comes standard with a throughput collection function. This allows continuous recording of time history data on a disk and repeated playback analysis. Off-line playback with a standalone PC is also possible (Optional).
| Number of Input Channels | 4 |
Analysis |
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| Frame Size | 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536 |
| Frequency Range | 40kHz - maximum |
| Real-Time Analysis Frequency | 20kHz |
| A/D Converter | 24 bits |
| Dynamic Range | 100dB |
| Analytical Functions | Time Function, Time Averaging Function, Spectrum, Auto-Power Spectrum, Complex Spectrum, Energy Spectrum Density Function, Power Spectrum Density Function, Cross Spectrum, Phase Spectrum, Transfer Function (H1, H2, H3, HV), Coherence Function, 1/1; 1/3; 1/6; 1/12 Octave |
Display Functions |
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| Plot Window | Max. 16 window simultaneous display |
| Overlaying | Max 8 trace (2D display) |
| Format | 2D display (Amplitude, Bode diagram, Nyquist diagram, Orbit) 3D display (Spectrum map, Campbell diagram, Colour Spectrum) |
Block Arithmetic Functions |
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| Block Arithmetic Functions | +, -, *, /, Complex conjugate number, Discrete Fourier transform, Fast Fourier transform, Inverse discrete Fourier transform, Inverse fast Fourier transform, Time-domain differentiation/integration, Frequency-domain differentiation/integration, Hilbert, Inverse Hilbert, Exponent, Logarithm, Natural Logarithm, Amplitude, Phase, Square Root, Trigonometric Logarithm, Envelope, Averaging, Acoustic weighting, Smoothing, Interpolation, 1/1 ; 1/3 ; 1/6 ; 1/12 octave |
Throughput Functions |
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| Throughput Functions | Time history data recording and playback and analysis (down sampling during playback is possible) |
Signal Generator |
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| Number of Outputs | 1 |
| Waveforms | Sine wave, Pure random, Band random |
| Waveform | Burst Control, Lump Control, Sweep Control |
Order Tracking (Optional) |
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| Processing | Constant ratio RPM tracking, Constant band RPM tracking, Order tracking analysis band width (frequency/order), Octave band tracking (1/1 ; 1/3 octave), Phase tracking, Cross spectrum, Transfer function, Spectrum map, Campbell diagram, Colour spectrogram |
| Max Analysis Order | 1600 |
| Analysis Order Range | 6.25, 12.5, 25, 50, 100, 200, 400, 800, 1600 |
Real-time Octave Analysis (Optional) |
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| Analysis Function | 1/1, 1/3, 1/6, 1/12 octave |
| Filter Method | Digital Filter |
| Standards |
1/1 oct (ANSI S1.11, JIS C1513 Type II) |
| Averaging | No averaging, Linear, Exponential, Peak |
| Time Weighting | 0.001 to 1000 seconds |
Filtering (Optional) |
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| Arbitrary Frequency Filter | Lowpass, Highpass, Bandpass or Bandreject |
| Order Filter | Bandpass or Bandreject |
Dimensions / Weight |
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| External Dimensions | 30(H) x 139(W) x 138(D) (unit: mm, excluding protuberances) |
| Weight | 330g |
| Power Supply | USB bus power, AC adaptor |
DAQLOG Systems Ltd
Brixham Laboratory
Freshwater Quarry, Brixham, TQ5 8BA
Tel: 01803 611 854
