SpectraPLUS-RT

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* (4 fixed steps#)	Variable* (4 fixed steps#)	Fixed Steps*
Calibrated Inputs	Uncalibrated (Volts or Millivolts#)	Uncalibrated (Volts or Millivolts#)	Volts or Millivolts
Calibration to Transducer	Use external reference signal (use transducer sensitivity#)	Use external reference signal (use transducer sensitivity#)	Use actual transducer sensitivity or external reference signal
Transducer Power	Phantom* (IEPE#)	Phantom* (IEPE#)	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 #When SpectraDAQ-200 is used