SpectraPLUS-DT_Spectrum Management_Energy Spectrum _COGITO SOFTWARE CO.,LTD English Website

SpectraPLUS-DT

Hardware Supported: Data Translation DT-9800 series
Sampling Rate: highest rate supported by Data (2.0 MHz using DT-9832A)
Frequency Span: Up to 1/2 of selected sampling rate
Sampling Precision: 8, 16 or 24 bit (hardware dependent)
Maximum Channels: 16 (hardware dependent)
Selectable Input Voltage Range (gain), AC or DC coupling, IEPE Current source, Single Ended or Differential Inputs (hardware dependent)
Tachometer input channel support: Plot RPM versus Time as well as dedicated RPM display window.
Order Analysis: plot Order vs RPM and Amplitude vs Order
Triggering: Analog or TTL with user Accept/Reject option. Selectable threshold, channel and delay. Edge or Level detection.
Run Control: automatically stop after user selectable FFT count or time limit
Modes: Real-Time, Recording, Post-Process
Post-Process Editing: Cut, Copy, Paste, Play, Play Special, Mute, Gain Adjust, DC Offset, Dynamic DC Offset removal, Digital Filtering
Digital Filtering Options: Low Pass, High Pass, Bandpass, Notch or User defined filter shape
Hard Disk Recording: Automatic rollover when Wave file size limit reached.
Displays: Time Series, Spectrum, Phase, 3-D Surface Plot, Spectrogram
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 or time span
Auto Scaling
Cursor Measurements: Absolute, Differential (Ctrl key), Harmonic cursors (Shift key), Sideband cursors (Ctrl + Shift key)
Right Click Action Menus: Various Cross display functions, Inverse FFT, Cepstrum, Smooth Spectrum, Expand and other Edit functions
FFT Sizes, 32, through 1,048,576 pts (in powers of two increments)
Overlap Processing: Up to 99% of FFT size in Post Processing mode
Smoothing Windows: Bartlett, Blackman, Flat Top, Hamming, Hanning, Kaiser, Parzen, Triangular, Uniform, Force, Exponential, Gaussian
Averaging Modes: 1) Free Run with selectable block size. 2) Sound Level Meter mode (Off/Fast/Medium/Slow/Forever)
Averaging Types: Exponential, Linear or Vector moving average
Peak Hold: live peak hold with selectable timeout
Composite Channel operations: Average, Cross Spectrum, Real and Complex Transfer Functions, Coherence
Amplitude Axis Scaling: Linear, Logarithmic or Log Magnitude. Power Spectral Density (PSD) option
Frequency Axis Scaling: Narrowband Linear, Narrowband Logarithmic, 1/1, 1/3, 1/6, 1/9, 1/12, 1/24, 1/48 or 1/96 Octave
Spectral Weighting: Flat, A, B, C ANSI weighting curves
Transducer Compensation: Independent compensation for each channel
Markers: Up to 8 user defined markers with user customizable labels
Calibrated Inputs (Volts, Millivolts)
Calibrate directly by specifying transducer sensitivity (mic, hydrophone, accelerometer, force) or calibrate to an external reference source.
Amplitude Calibration: V, mV, dBV, dBmV, dBu, SPL or PA (in air or water),
psi, or custom units
Vibration Measurements: Acceleration (G), Velocity (ft/sec, in/sec, mils/sec, mm/sec), Displacement (ft, in, mils, mm)
Independent Calibration and Scaling: each channel can be scaled and calibrated independently
Signal Generator: Pink Noise, White Noise, Tone Burst, Noise Burst, 1 kHz Tone, Multiple Tones (freq, level, phase), Frequency Sweep, Frequency Step, Level Sweep, IMD test tones, Pulse, Sawtooth, Triangular, Squarewave, User Defined (from .WAV source). DTMF, Digital Zero.
Utility Measurements: Peak Frequency, Peak Amplitude, Total Power
Distortion Measurements: THD, THD+N, SNR, IMD
THD+N versus Frequency utility - quickly and conveniently measure the distortion characteristics of a device over a range of frequencies. Results are shown on a semilog/log plot and can be saved/loaded from disk or printed.
Acoustic Tools: Reverberation Time (RT-60), Equivalent Noise Level (Leq, LeqT, Lsel, Lpk, Lmax, Lmin, L10, L50, L90. Sound Power Level utility (ISO-3744/3746)
Automation Tools: COM based Application Programming Interface (API). Data Logging - output text file (per channel) containing selected spectral parameters + time-stamp.
Import/Export: .WAV, ASCII, and Binary file formats
Configuration Files: Store and recall common analyzer test setups from disk. Quick load from toolbar
Color Printing: All displays plus annotation, comments, and margin control
Clipboard support: WAV segments, 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