| Software name | Overview |
|---|---|
| General-purpose FFT analysis | General purpose analysis function such as FFT, frequency response function or other of the DS-2000 series is equivalent to those of the DS-9100, CF-3200 and CF-5200 series. 4 mHz to 40 kHz, 25 to 6400 lines, Real-time 8 ch/ 20 kHz, Time record/ playback function, Color spectrum graph, Offline analysis |
| Tracking analysis | 50 to 160,000 r/min (6.25 order to 800 order) Spectrum: Max. 1000 lines Constant ratio/ Constant width, Phase tracking, 3D/ Color map, Offline analysis, Campbell plot (option) |
| Real-time octave analysis | 1/1、1/3ＯＣＴ 1/1, 1/3 OCT 0.5 Hz to 20 kHz band display, Level monitor display, Level trend display, Leq/ Lx calculation, Offline analysis
|
| Real-time 1/N octave analysis | 1/6 to 1/24 OCT (DS-0223 1/1, 1/3 real-time octave analysis software is required.) Offline analysis
|
| Throughput disk function | HDD direct memory: Max. 4GB The maximum size of sampling frequency is depending on number of channels. (Example) 8ch/ 20 kHz, 16ch/ 10 kHz Input signal, Rotation signal recording, Level monitor, time waveform monitor, Time/ Number of rotation monitor, Time marking function, ORF format memory |
| File export function | Convert from ORF format to WAV or DADiSP format |
| Sound power measurement | Sound pressure method Number of microphones: 1 to 20 Applicable to ISO3741 to 3748, and 7779 Applicable to JIS Z8732 to 8734 Microphone traverse is available (option) |
| Architectural acoustic measurement | Applicable to ISO140 series and JIS A1416 to 1418 Acoustic transmission loss, Space sound pressure level difference, Reverberation room sound absorption rate, Floor impact sound |
| Sound quality evaluation | Loudness, Sharpness, Roughness, Fluctuation strength NCI file is available |
| Sound intensity map analysis | 1D SI probe is available, Calibration function AI, RI, SP, PV spectrum display/ record Contour map, Color map, Vector map display |
| 3D Sound intensity analysis | 3D SI probe (tetra phone) is available Calibration function AI, RI, SP, PV spectrum display/ 3D simultaneous recording Contour map, Color map, Vector map display, Sound source exploration function |
| SI power level measurement | Applicable to ISO9614, JIS Z8736 Pair microphone/ 2 pairs of microphones are available. Calibration function Measurement of discrete method and scanning method Power level, A-characteristic power level display, Sound field index display |
| Time-frequency analysis |
|
| Combustion analysis | Input channel: Max. 16ch Number of rotations: 10 to 25,000 r/min (0.25° or more) Max. number of cycles: 2800 or more (1°) Cylinder inner pressure data collection, Calculation, High speed monitor function, Pi/Pmax calculation Option: CPL/ Combustion noise, Multi-stage combustion calculation, Knocking distribution |
Revised:2003.03.17
