Data Analysis Software

The Data Analysis Software DAS-200A enables data reproduction and analysis of data.
The DAS-200A displays Kyowa standard files (KS1, KS2, KS3) on graphs, in numerical values and analyzes them


DAS-200A, Data Analysis Software


  • Allow a data file to be processed for waveform display, FFT analysis, statistic operations, header information display, tabulation of numeric data and setting display conditions.
  • Extracts and converts the data files into CSV files.
  • Statistic processing
  • Arithmetic operations
  • FFT analysis
  • Histogram analysis
  • Filtering
  • Differentiation & integration
  • Saving & reading graph display and analysis conditional files
  • Playback function of the acquired video data.
  • Printer output
  • Displays max. 16 data files on graphs.


Operation Environment

OS: Windows®8.1, Windows® 10
English/Japanese, 32/64 bits support
If 64-bit OS, operate in WOW64 (Windows 32-bit On Windows 64-bit) environment.

CPU: Core i5 2 GHz or advanced


  • If 32-bit OS, 2 GB or more
  • If 64-bit OS, 4 GB or more

Display: Resolution, 1024 x 768 pixels or more

Data Reproduction

Graph: Up to 4 patterns of display conditions are set for each graph. Displays 1, 2, or 4 graphs on a single screen

Y-time Graphs: Max. 16 channels per graph. Allows Y axis to be auto scaled.

X-Y Graphs: Displays 1 graph on a single screen.
Displays of arbitrary 4 channels for both the X and Y axes, allows X axis and Y axis to be auto scaled.

All Data Display: Displays all data by every 4 channels.

Numerical Data Display: Up to 16 channels of data are listed.

Cursor Display: Displays numeric data of cursor location.
Zoom in data between 2 cursors.
Display max. and min. data between 2 cursors.

Scrolling: Scrolls X axis on Y-time graphs.

Data Files Editing: Extracts an arbitrary range or arbitrary channel from collected data file and converts to a CSV format file possible. Data file titles, comments, channel conditions display and editing are possible

Max. and Min. Display: Displays max. and min. data of each channel (5-data) , 400-data around the max. or min. graphs.

KS2 File: Block number support (1 block display, all block display) .
Displays and plays back the audio data.


  • Playback
  • Backward
  • Repeat
  • Frame-by-frame forward
  • Frame-by-frame backward
  • Jump to the beginning
  • Jump to the end
  • Set the beginning position
  • Set the end position
  • Playback speed: ×0.1 to ×20
  • Plays back the measured data, video and GPS data at the same time.

AVI Files: Playback frame rate, Start frame No. (time)

GPS Data Files: Displays the trail of latitude data and longitude data

Dual-sampling Data: Plays back the dual-sampling KS2 data (high-speed sampling data files and low-speed sampling data files) at the same time.

Static Measuring Files: Reproduces the static measuring files (CSV format files)

ECAN Format Files: Reproduces CAN data of the ECAN-40A/EGPC-40A.
Reproduces E4A format files and KS2 format files at the same time.
Converts E4A format files into CSV format files.

CTRS-CAN Files: Reproduces the CAN data of the CTRS-100 series.
Converts the CTRS-CAN file into the CSV format file.


Statistical Processing: List display of the maximum value, minimum value, average, and standard deviation for the desired portion of the reproduced data file.
Statistical calculation results are converted to a CSV format file and saved

Arithmetic Calculations: Carries out calculations between channels in a maximum of 2 files and saves the calculation results as a new file.
Configuration of a maximum 320 expressions possible Expressions (Up to 200 digits)

Operations and Constants: +, -, * , /,^ [Power], PI [π], and ( )[parentheses]


  • SQR Square root function
  • ABS Absolute value function
  • SIN SIN function (Sine, angle: Unit radian)
  • COS COS function (Cosine, angle: Unit radian)
  • TAN TAN function (Tangent, angle: Unit radian)
  • ASIN ASIN function (Arcsine, angle: Unit radian)
  • ACOS ACOS function (Arccosine, angle: Unit radian)
  • ATAN ATAN function (Arctangent, angle: Unit radian)
  • DSIN ASIN function (Arcsine, angle: Unit degree)
  • DCOS ACOS function (Arcosine, angle: Unit degree)
  • DTAN ATAN function (Arctangent, angle: Unit degree)
  • LOG LOG function (common logarithm)
  • LN LN function (natural logarithm)
  • EXP EXP function (exponential)
  • HMX Maximum principle strain function
  • HMN Minimum principle strain function
  • HSM Maximum shear strain function
  • SMX Maximum principal stress function
  • SMN Minimum principle stress function
  • SSM Maximum shear stress function
  • DEG Principal strain direction function

FFT Analysis: 

Analysis types:
Linear spectrum, power spectrum, cross-spectrum, auto-correlation, mutual correlation, coherence, transfer function

Number of analysis data:
256, 512, 1024, 2048, 4096, 8192, 16384, and 32768

Window functions:
OFF, Hamming, Hanning, Fejer, Blackman, Gaussian

1, 2, 5, 10, 20, 50, 100, 200, 500, 1000, 2000 Hz, and FLAT

Integration times: 0 to 2

Average number of times: 0 to (0: whole waveform)

Number of shift data: 2 or more

[Analysis results graph display]

Types: Linear spectrum
Graph 1: Amplitude (Linear)
Amplitude (Logarithm)
Graph 2: Phase

Types: Power spectrum
Graph 1: Amplitude (Linear)
Amplitude (Logarithm)
Graph 2: –

Types: Cross spectrum
Graph 1: Amplitude (Linear)
Amplitude (Logarithm)
Graph 2: Phase

Types: Auto-correlation
Graph 1: Correlation
Graph 2: –

Types: Cross-correlation
Graph 1: Correlation
Graph 2: –

Types: Coherence
Graph 1: Coherence
Graph 2: –

Types: Transfer functions
Graph 1: Amplitude (Linear)
Amplitude (Logarithm)
Graph 2: Phase

Histogram Analysis: Types

  • Peak-valley
  • Maximum-minimum
  • 1D rainflow method
  • Amplitude method
  • Time at lever
  • 1D rainflow + peak-valley
  • 1D rainflow + maximum-minimum
  • 2D rainflow
  • Slices: 1D algorithm: Even numbers from 10 (±5) to 256 (±128)
    2D algorithm: Even numbers from 10 to 50
  • Others: Allows slice width, hysteresis, offset to be specified
  • Result display: Tables and graphs (3D display for 2D rainflow)

Life Prediction Processing

Predicts life from the result of histogram analysis of 1D rainflow method, 2D rainflow method, or amplitude method.
The life prediction data is shown and saved as a file. (Allows S-N data files to be read.)


  • Digital filters: IIR filters
  • Characteristics: 4th order Butterworth (Cutoff: -6dB, no phase delay)
  • HPF & LPF: FLAT to 500 kHz (Up to 1/2 of the sampling frequency)
  • Mirroring: Analysis results are saved as additional format.

Differential & Integration Processing

  • Number of differentiation & integration
  • 0 : None, 1 to 2
  • Analysis results are saved as additional format.


* The DAS-200A is able to convert the KS3 files into KS2 files.
(The KS3 files are the data in the SD card recorded by the CTRS-100 series.)