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Personal FFT Analyzer
Personal FFT Analyzer
  ¸ðµ¨¸í : CF-4210Z / 4220Z
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  Á¦Á¶»ç : ONO SOKKI
  °¡   °Ý : ¹®ÀÇ(031-753-9550)
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Personal FFT Analyzer

CF-4210Z / 4220Z

The CF-4210Z and CF-4220Z are single-channel FFT analyzers that are equipped with a range of basic functions.

The CF-4210Z and CF-4220Z are single-channel FFT analyzers that are equipped with a range of basic functions. The jog/shuttle cursor, a wheel that combines the functions of a rotary knob and a shuttle cursor, provides easy menu window setup operation. The CF-4210Z/4220Z FFT analyzers can be used as OK/NG judgment machines on production lines simply by installing the comparator output card that is available as an option. The incorporation of a 6.4-inch LCD screen has enabled a considerable reduction in device weight (a reduction of 30% when compared with the previous models, CF-4210A/4220A).

There are two models available: the standard CF-4210Z model and the more sophisticated CF-4220Z model that is provided with a microdot connector for direct sensor input and a floppy disk drive.

Features

  1. 16-bit A/D conversion, 85 dB (typ) dynamic range

  2. 1 kHz real-time analysis function provided as standard; 20 kHz available as an option (CF-0430)

  3. OK/NG judgment is performed with respect to the power spectrum, 1/1 and 1/3 octave calculation results.

  4. Up to a maximum of 16 blocks can be specified as the judgment area.

  5. The comparison judgment method can be selected from five types: level, maximum value, area percentage, segment overall value and peak level.

  6. The judgment results can be displayed on the LCD, or output using a relay contact.

  7. Six types of functions such as Start, Start Comparison Judgment, and so forth can be freely used for the contact input.

  8. NG data can be saved automatically to a floppy disk (CF-4220Z only).

 

 

¡á Processing functions

Time Domain

Time-axis waveform

Frequency Domain

Power spectrum, Phase spectrum, 15 band 1/3 octave, 5 band 1/1 octave

Amplitude Domain

Probability density function, probability distribution function

 

¡á Input section

Number of input channels:

1

Input signal connectors

BNC connector (front and rear panels)
Microdot connector (CF-4220Z only)

Voltage range

?0 mV to ?0 V, 12 ranges

Dynamic range

85 dB (typ)

 

¡á Analysis-related specifications

Frequency ranges

1 Hz to 40 kHz, 19 ranges

Number of sampling points

1024

A/D resolution

16 bit

Frequency resolution

1/400 of the frequency range

Real-time analysis

1 kHz standard (up to 20 kHz with the CF-0430 option)

 

¡á Trigger section

Trigger modes

Free, repeat, single, one-shot

Trigger source

Internal or external

Trigger position

Specifiable in one-point increments within the range of -1024 to 1023 points

Trigger level

Specifiable in ?% increments with respect to full scale of the voltage range

 

¡á Secondary processing calculation functions

Frequency axis differential/integral function, power spectrum density, partial overall, arithmetic calculation using memory waveforms

 

¡á Averaging processing

Averaging modes

Time axis waveform: Summation averaging
Power spectrum: Summation averaging, exponential averaging, peak hold
Phase spectrum: Summation averaging
Octave: Summation averaging, exponential averaging, peak hold
Probability density function: Summation averaging

Number of averages

1 to 8192

 

¡á Display function

Display

6.4-inch liquid crystal display

Waveform display mode

Single frame, dual frame, two overlaid frames

Display functions

Y-axis auto scaling, Y-axis manual scaling, maximum value display function, search function, Δ cursor function, list display, label function, setup display, etc.

 

¡á Memory section

Screen data block memory

30 frames maximum

Panel condition setups

4 types

 

¡á 3.5-inch floppy disk drive (CF-4220Z only)

Number

1

Format

MS-DOS format (1.2 M/1.44M)

 

¡á Comparator function (Option CF-0460Z)

Functions that can be processed

Power spectrum, 15 band 1/3 octave, 5 band 1/1 octave

Specifiable maximum number of blocks

16

Comparison judgment

Level, maximum value, area percentage, segment overall value, peak level

Output of judgment results

When the judgment is OK

Contact closed; when the judgment is NG: contact open. Please note however, that the OK/NG logic can be changed

Display of judgment results

The OK/NG judgment results can be displayed on the LCD.

Automatic saving of NG data

When the judgment is NG, the data can be saved automatically to the screen data block memory or to a disk (in common with the auto store function)

Relay contact input

Six functions such as Start, Start Comparison Judgment, and so forth can be freely used as the ON/OFF switch.

Interface

RS-232C

 

¡á General specifications

Power supply

90 to 264 VAC (50/60 Hz)

Power consumption

Approx. 50 VA

Operating temperature range

0 to +40¡É

Storage temperature range

-10 to +60¡É

Outer dimensions

200£¨W£©?350£¨D£©?270£¨H£©mm

Weight

CF-4210Z; Approx. 4.4 kg , CF-4220Z; Approx. 5.2 kg

 

 

System Configuration

Illustration (CF-4200Z System Configuration)

Comparator Function

The comparator function is available as an option (CF-0460Z). A judgment block is specified for the amplitude level, and then contact output used to perform OK/NG judgment of products on a production line.

Illustration (CF-4200Z Comparator Function)

The reference parameter used by the comparator is the rectangle defined by the upper and lower frequency and level limits (hereinafter referred to as "block"). Judgment is performed with respect to this block. The maximum number of blocks that can be specified is 16. The judgment level can be specified as (1) Upper limit value only, (2) Lower limit value only or (3) Both upper and lower limit values. The block's peak value or partial overall value can be used to perform comparison judgment. With this judgment method, a judgment area block is specified on the power spectrum and one of five types of judgment methods selected for OK/NG judgment. Control can be performed via transmission through an RS-232C or other interface. A maximum of six types of relay contact input functions can be used, and control in combination with a sequencer can also be performed. The judgment results can be output via contact output to configure a system in combination with an inline tool such as a rotating warning light or alarm.

Illustration (CF-4200 Comparator setuup window)

The comparator function enables output of the OK/NG results. In addition, it can be used as an external remote control function. By registering GPIB commands to each of the six contact input terminals, external control can be performed of such functions as start/stop, changing of the judgment parameters, and so forth.

Illustration (CF-4200Z Comparator terminal)