SpectraPLUS-RT
Sampling Rate: highest rate supported by hardware (192 kHz cards are widely available)
Frequency Span: Up to 1/2 of selected sampling rate
Sampling Precision: 16 or 24 bit (hardware dependent)
Maximum Channels: 2
Sound card driver modes supported: Multimedia Extension (MME)
Modes: Real-Time
Displays: Spectrum
Data Views: Popup window of underlying data values.
Spectral Overlays: Up to 6 simultaneous overlay traces, unlimited save and retrieve from hard disk
Composite overlay: average of any selected overlays or the difference between any two overlays.
Video Zoom: Arbitrary Zoom In to any portion of overall frequency span
Auto Scaling
Cursor Measurements: Absolute, Differential (Ctrl key), Harmonic cursors (Shift key), Sideband cursors (Ctrl + Shift key)
Frequency Resolution: Narrowband FFT, 1/1 Octave, 1/3 Octave
Smoothing Window: Hanning
Averaging: Sound Level Meter mode (Off/Fast/Medium/Slow/Forever)
Peak Hold: live peak hold with selectable timeout
Amplitude Axis Scaling: Linear or Logarithmic
Spectral Weighting: Flat, A, B, C ANSI weighting curves
Markers: Up to 8 user defined markers with user customizable labels
Amplitude Calibration: V, mV, dBV, dBmV, dBu, SPL or PA (in air or water), psi, or custom units
Signal Generator: Pink Noise, White Noise, 1 kHz Tone, Multiple Tones, Frequency Sweep, Frequency Step, Level Sweep
Recorder utility: Record, Playback wave files including embedded calibration support
Utility Measurements: Peak Frequency, Peak Amplitude, Total Power
Color Printing: All displays plus annotation, comments, and margin control
Clipboard support: tabular data and bitmap images
Features and Specifications
Compare Editions
|
Key Feature |
SpectraPLUS-RT |
SpectraPLUS-SC |
SpectraPLUS-DT |
|
Hardware Supported |
Multimedia Sound Cards |
Multimedia Sound Cards |
Data Translation DT-9800 Industrial A/D modules |
|
Maximum Sampling Rate |
200 kHz* |
200 kHz* |
2.0 MHz* |
|
Maximum Channels |
2 |
2 |
16 |
|
Maximum Sampling Precision |
24 bit* |
24 bit* |
24 bit* |
|
Composite Channels (Transfer Function, Multichannel average, etc) |
0 |
1 |
16 |
|
Supported Modes |
Real Time |
Real Time, Record/Playback, Post Process |
Real Time, Record/Playback, Post Process |
|
Available Displays |
Spectrum |
Time Series, Spectrum, Phase, Spectrogram, 3-D Surface |
Time Series, Spectrum, Phase, Spectrogram, 3-D Surface |
|
Frequency Resolution |
Fixed FFT size, 1/1 Octave, 1/3 Octave |
Selectable FFT size, 1/1 through 1/96 Octave |
Selectable FFT size, 1/1 through 1/96 Octave |
|
Input Gain |
Variable* |
Variable* |
Fixed Steps* |
|
Calibrated Inputs |
Uncalibrated |
Uncalibrated |
Volts or Millivolts |
|
Calibration to Transducer |
Use external reference signal |
Use external reference signal |
Use actual transducer sensitivity or external reference signal |
|
Transducer Power |
Phantom* |
Phantom* |
IEPE* |
|
Triggering |
No |
Analog Input |
Analog or TTL with User Accept/Reject option |
|
Tachometer channel support |
No |
No |
Yes |
|
Order Analysis |
No |
No |
Yes |
|
Automation Support |
No |
Yes |
Yes |
|
* Hardware dependent |
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