Hioki MR8740, Инструкция по эксплуатации

Страница: 355 / 424

17.2 Measurement Functions
343
Chapte
r 17 S
pecifications
16
17
17.2 Measurement Functions
17.2.1 Memory Function
Timebase 5, 10, 20, 50, 100, 200, 500
μ
s/div
1, 2, 5, 10, 20, 50, 100, 200, 500 ms/div
1, 2, 5, 10, 30, 50, 100 s/div
1, 2, 5 min/div
Time axis resolution 100 points/div
Sampling period 1/100th of timebase
Recording length Fixed recording length: 25, 50, 100, 200, 500, 1000, 2000, 5000, 10000, 20000, 50000, 100000 div
Arbitrary recording length: Can be set in units of divisions (up to 160,000 div)
Screen Settings 1 screen, 2 screens, 4 screens, 8 screens, 16 screens, X-Y 1 screen, or X-Y 4 screens
Interpolation function Line, line and dot (with X-Y)
Waveform scrolling Left-right scrolling is available, Backward scrolling is available during Roll Mode display
Overlay function Automatic: Always overlays when starting, and clears by restarting
Manual: Overlays only necessary waveforms, and clears them as needed
Automatic saving Automatically saves data on USB memory stick after measuring (binary or text)
When sampling is slow, saving starts during recording.
Automatic print Automatically prints data after measurement (Sends print data to PC connected via LAN,
Model 9333 LAN communicator is required.)
Manual print The "Send Print Key" function of Model 9333 LAN communicator is utilized
Report print The "Send Print Key" function of Model 9333 LAN communicator is utilized
17.2.2 Recorder Function
Timebase 10, 20, 50, 100, 200, 500 ms/div
1, 2, 5, 10, 30, 50, 100 s/div
1, 2, 5, 10, 30 min/div, 1 h/div
Time axis resolution 100 points/div
Sampling period 1, 10, 100
μ
s
1, 10, 100 ms (not more than 1/100th of the selected timebase)
Recording length Fixed recording length: 25, 50, 100, 200, 500, 1000, 2000, 5000, 10000, 20000, 50000 div
Adjustable recording length: Can be set in units of divisions (up to 80,000 div)
Continuous
Screen and Printing Settings 1, 2, 4, 8 or 16 screens
Waveform Storage The most recent 80,000 divisions of measurement data is retained in internal memory
Waveform Scrolling Left-right scrolling by Jog and Shuttle knobs. Including backward scrolling during measurement
Automatic saving Automatically saves data on USB memory stick after measuring (binary or text)
When sampling is slow, saving starts during recording.
Manual print The "Send Print Key" function of Model 9333 LAN communicator is utilized
Report print The "Send Print Key" function of Model 9333 LAN communicator is utilized
17.2.3 FFT Function
Frequency range 133 mHz to 8 MHz, external
Dynamic range 72 dB (Theoretical value ), 96dB (Theoretical value)(When the 8968 High Resolution Unit is used)
Number of sampling points 1000 points, 2000 points, 5000 points, 10000 points
Frequency resolution 1/400, 1/800, 1/2000, 1/4000
Anti-aliasing filter Coupled with the frequency range, the cutoff frequency is automatically set.
Analysis channel setting Can be selected from desired channels
FFT analysis modes Storage waveform, linear spectrum
*
, RMS spectrum
*
, power spectrum
*
, cross power spectrum,
auto-correlation function, histogram, transfer function, cross-correlation function, impulse response,
coherence function, 1/1 octave analysis, 1/3 octave analysis, LPC analysis, phase spectrum
* The total harmonic distortion (THD) is displayed when the cursor display is ON.
Display formats Single , Dual, Nyquist display, running spectrum display
Window Rectangular window, Hanning, Hamming, Blackman, Blackman Harris, Flat top, Exponential
Display scale Linear, log
Peak hold Included