Right Click Action Menus: Various Cross display functions, Inverse FFT, Expand and 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

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

Dual Channel Processing: Average, Cross Spectrum, Real and Complex Transfer Functions, Coherence

Cross Channel Delay: One channel can be delayed with respect to the other

Delay Finder: Determines the time delay between two channels using cross correlation techniques. Delay units can be Milliseconds, Feet, or Meters

Overload Detection: Flag and/or exclude data when maximum input level is exceeded

Amplitude Axis Scaling: Linear, Logarithmic or Log Magnitude plus 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

Microphone Compensation: Independent compensation for each channel

Markers: Up to 6 user defined markers with user customizable labels

Triggering: Selectable threshold, channel and delay. Edge or Level detection

Amplitude Calibration: V, mV, dBV, dBmV, dBu, SPL or PA (in air or water), psi, acceleration 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, 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 Log Magnitude plot and can be saved/loaded from disk or printed.

Acoustic Tools: Reverberation Time (RT-60), Delay Finder, Stereo Phase Scope, Equivalent Noise Level (Leq, LeqT, Lsel, Lpk, Lmax, Lmin, L10, L50, L90. Cumulative Sound Exposure Level (cSEL) measurements.

Automation Tools: Dynamic Data Exchange (DDE), COM API, Macro Scripting Language, Data Logging

Import/Export: .WAV, ASCII, and Binary file formats

File Merge: Join two mono files into a single stereo file

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

SpectraPLUS-SC consists of a base analyzer plus a set of 10 additional options so you can purchase only the features you need.

Additional options can be purchased at anytime.

Base Analyzer		Features include Single Channel Operation, Real Time Mode, Spectrum, Time Series, and Phase displays, Narrowband FFT sizes through 32,768 points, 1/1, and 1/3 Octave Analysis, Triggering, Markers, Overlays, Averaging, Peak Hold, Decimation, Mic Compensation, A, B, C Spectral Weighting
Option /01	Dual Channel Processing	Dual Channel Operations - Real and Complex Transfer Functions, Coherence, Average, Cross Spectrum and cross channel delay compensation
Option /02	Recording and Post Processing Modes	Recorder and Post Processing modes - allows direct hard disk recording and playback. Post Processing mode provides comprehensive analysis from WAV files. Includes Digital Filtering capability
Option /03	Signal Generator Utility	Advanced Signal Generation - Pink/White noise, Noise Burst, Frequency Sweep, Frequency Step, Level Sweep, 1 kHz tone, Multiple Tones, Saw, Square, Pulse, IMD test tones and User Defined WAV source. Can generate different signals in each channel
Option /04	Color Spectrogram Display	Spectrogram View - displays the spectrum versus time in greyscale or color format for advanced joint time-frequency analysis.
Option /05	3-D Surface Display	3-D Surface View - displays the spectrum versus time in a 3-Dimensional perspective format
Option /06	Distortion Analysis Utilities	Distortion Analysis - measurement utilities for THD, THD+N, IMD, SNR, NF, SINAD. Each measurement is displayed in real time in a separate resizeable window. Also includes a dedicated THD+N versus Frequency utility that quickly and conveniently measures the distortion characteristics of your device over a range of frequencies.
Option /07	High Resolution Analysis	Adds 24 bit sampling precision and sampling rates above 48kHz (sound card dependent). Adds FFT sizes up to 1,048,576 points, and Octave scaling to 1/96
Option /08	Advanced Scaling and Calibration	Adds independent channel calibration and scaling for left and right channels with separate views for each. Useful for applications requiring separate channel scaling and calibration such as simultaneous sound and vibration measurements. This option also includes calibration conversions from Acceleration to Velocity or Displacement; also adds Power Specral Density scaling option for accurate noise measurements
Option /09	Acoustic Tools	Reverberation Time (RT60) utility features bar graph of reverberation time versus frequency band, 3-D Surface plot of the decay versus frequency and individual decay plots versus time. Delay Finder measures delay between two channels in milliseconds, feet or meters. Speed of sound - converts the delay value between milliseconds, feet or meters. Equivalent Noise (Leq) utility provides comprehensive noise level calculations for LeqT, Leq, Lpk , Lsel, Lmax, Lmin, L10, L50, L90. Stereo Phase Scope for real-time monitoring and analysis of signal phase. Phase scope mode displays a standard oscilloscope X-Y orientation (lissajous pattern) for analysis of phase, polarity, missing channel detection and stereo separation monitoring. Cumulative Sound Exposure Level (cSEL) measurement utility.
Option /10	Automation Tools	Macro Command Processor utility allows you to easily automate measurements, record SPL and spectral data at user specified intervals/duration with time/date stamp, save files with user-defined names using a script-based programming language. It uses the underlying DDE syntax for an automation solution without requiring a third party program. Automation interface API allows the capability for an external program to control and read results from the analyzer in real time. Works with any program that supports COM such as C++, VB, Excel, and others. Dynamic Data Exchange (DDE) allows the capability for an external program to control and read results from the analyzer in real time. Works with any program that supports DDE such as C++, VB, Excel, Access and others. Data Logging utility produces an output text file containing selected spectral parameters + time-stamp for dynamic signal tracking and unattended event monitoring.

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

Quick Navigation;