·Î±×ÀΠȸ¿ø°¡ÀÔ

 

 ±¤-µð½ºÇ÷¹ÀÌÃøÁ¤±â £ü ¼ÒÀ½Áøµ¿ÃøÁ¤±â £ü Çö¹Ì°æ³»½Ã°æ £ü ·¹ÀÌÀúÃøÁ¤±â£ü »ê¾÷¿ë¿µ»ó £ü ±âŸºÎÇ° £ü¹®ÀÇ

   

 

 

 

     

   ¸®¿Â VA-11 FFT ÈÞ´ë¿ë Áøµ¿ ºÐ¼®±â
  ±Û¾´ÀÌ : ½ºÄÚÇÁÄÚ¸®¾Æ      ³¯Â¥ : 12-02-11 13:50      Á¶È¸ : 4699     

¸®¿Â RION VA-11C  FFT Anylyser ¸¦ ³»ÀåÇÑ ÈÞ´ë¿ë Áøµ¿ ºÐ¼®±âÀÔ´Ï´Ù.
 
¼¾¼­ PV-55, ¾Æ´äÅÍ, À¯Àú ¸Þ´º¾ó, ÀÎÅÍÆäÀ̽º ¸Þ´º¾ó, ÈÞ´ë¿ë °¡¹æ Æ÷ÇÔ
 
 
Áøµ¿°è·Î¼­ ·¹º§ db, Áøµ¿·® mm, ¼Óµµ °¡¼Óµµ m/s  s/s2 ·Î Ç¥½ÃÇØÁÖ°í
 
FFT ºÐ¼®±â·Î (Power spectrum, Vibration Waveform) Ç¥½ÃÇÕ´Ï´Ù.
 
ÃøÁ¤µ¥ÀÌÅʹ  CF ¸Þ¸ð¸®¿¡  ( 16-bit A/D, 80dB ) µðÁöÅÐ ·¹ÄÚµùµÇ°í
 
PC¿¡ Á÷Á¢ ¿¬°áµµ °¡´ÉÇÕ´Ï´Ù.   ÇÁ¸£ºê¿¡ ¹öÆ°ÀÌ ÀÖ¾î ºü¸¥ ÀÛ¾÷ÀÌ °¡´ÉÇÕ´Ï´Ù.
   
 
 
RION  VA-11C ÈÞ´ë¿ë Áøµ¿ ºÐ¼®±â ,  FFT Anylyser

 

 
ÈÞ´ë¿ë Áøµ¿ ºÐ¼®±â·Î µ¿½Ã¿¡ °¡¼Óµµ, ¼Óµµ, º¯À§°¡ Display °¡´ÉÇϸç, ±â°è°íÀå »çÀü°¨½Ã¿Í °áÇÔÀ» Áø´Ü ÇÒ ¼ö ÀÖ´Â ºÐ¼®±â·Î ÀÛµ¿ÀÌ ¸Å¿ì °£ÆíÇÑ ÀåºñÀÔ´Ï´Ù.
 

  °¡¼Óµµ, ¼Óµµ, º¯À§¸¦ µ¿½Ã Display
  FFT ºÐ¼® 

     - Power spectrum

     - Vibration Waveform ¹×

     - Envelop °øÁ¤µµ °¡´É
  16-bit A/D, 80dB. dynamic range
  PEMCIA Memory Card¸¦ ÅëÇÑ Data PCÀü¼Û
  500 data ÀúÀå °¡´É

 

Input section

Number of input channel

1

Input connector

Standard acceleration pickup connector : PV-55

Vibration measurement quantities

Acceleration, acceleration envelope, velocity, displacement
Acceleration envelope in analyzer mode only

Input range (with PV-55)

 

Acceleration

1,3,16,10,31.6,100,316m/s©÷ (rms)

Velocity

3.16,10,31.6,100,316,1000mm/s (rms)

Displacement

0.089,0.283,0.894,2.83,8.94,28.3mm (Eqp-p)

Measurement frequency range (elecrical)

 

Acceleration

3Hz ~ 20kHz

Velocity

3Hz ~ 3kHz

Displacement

3Hz ~ 500kHz

Measurement frequency level range

 
 

Acceleration

0.02~316m/s©÷ (rms)

Velocity

0.1 ~ 1000mm/s (rms)

Displacement

0.003~28.3mm (Eqp-p)

High-pass filter

3Hz, 10Hz, 1kHz (-10% point)

Low-pass filter

3Hz, 10Hz, 1kHz (-10% point)

Vibration meter mode

    Processing items

    Simultaneous processing of following items (digital)

Acceleration

rms, peak, crest factor

Velocity

rms

Displacement

Equivalent P-P value (Eqp-p)

Analyzer mode

A/D converter

16bit, delta sigma principle, 51.2kHz sampling

Processing items

Waveform, spectrum

Display range

80dB

Time window function

Rectangular, Hanning, Flat-top

Frequency span

100,200,500,1k,2k,5k,10k,20kHz

Anti-aliasing filter

100,200,500,1k,2k,5k,10k,20kHz

Zoom factor

¡¿1 (100lines), ¡¿2 (200lines), ¡¿4 (400lines), ¡¿8 (800lines)

Average processing

 

Spectrum

Instantaneous value, exponential averaging linear average, peak hold

Waveform

Instantaneous value

Trigger source

External signal, input level

Trigger operation

Free-run, repeat, single

Pre and post trigger function

Yes

Display section

Display

 

LCD dot resolution

192¡¿128

Display size

77.5¡¿54mm

Backlight

EL backlight

Display Data

 

Vibration meter display

Acceleration, velocity, displacement Bar graph and numeric indication

Spectrum display

Graph, list

Graph display

102 lines (frequency spectrum 101 lines + overall value) Y axis (dB, linear)

List display

Upper 10 levels and frequency

Waveform display

Graph only, 128 data

Display contents

 

Measurement data

Processing results, cursor, measurement conditions

Status indication

Overload, trigger standby, storing

Data and time indication

Data : MM : DD time : HH : MM (24 hour notation)

Power supply voltage

4-segment battery status indicator

Memory

Data memory

 

Manual store

Measurement parameters and analysis results are stored in specified address
Capacity 500 data set, regardless of vibration meter mode or analyzer mode

Transient store

Continuous store of waveform (store cycle : frequency span ¡¿ 2.56)

Timer store function

Start time, repeat interval, number of store data can be specified for storing data in data memory

Re-analyze function

Data stored in transient memory can be re-analyzed

Measurement setting memory

10 set, for storing and recalling all measurement parameters

PCMCIA card

ATA type compact flash card
Contents of entire data memory are written to the card as one ASCII file in MS-DOS format
Input/outputs

RS-232C Interface

 

Function

Control of VA-11 from computer
Transfer of measurement data to computer

Printer output

 

Compatible printers

CP-10, CP-11

Function

Screen hard copy, continuous printout

External trigger input

TTL level falling edge

Beep tone

When operating and as error warning

Supplied accessories

Acceleration pickup (PV-55)   1
Soft carrying case   1
IEC R14 (size C) batteries   4
Instruction manual   1
Lithium battery (CR-1/3N)   1

Optional accessories

PCMCIA card : ATA type compact flash card
Hard case (CF-21)
Printer (CP-11)
AC adapter (NC-94)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Áøµ¿ ºÐ¼®°è VA-11

¸®¿Â ÁÖ½Äȸ»çÀ½Ãø±â¼úºÎ

1.°³¿ä
¡¡±â°è Áøµ¿À̳ª ¼³ºñ Áø´Ü ºÐ¾ß¿¡ ÀÖ°í, °íµµÀÇ Çؼ® ±â´ÉÀ» °¡Áø ÃøÁ¤±â´Â, ´ëÇüÀ¸·Î Á¶ÀÛµµ º¹ÀâÇÏ°Ô µÇ±â ½±»óÀÔ´Ï´Ù.À̹ø, ÈÞ´ëÇü¿¡µµ ºÒ±¸ÇÏ°í °ÅÄ¡Çü¿¡ ÇÊÀûÇÏ´Â ±â´É, ¼º´ÉÀ» °¡Á®, °Ô´Ù°¡ Á¶ÀÛ¼ºÀÌ ÁÁÀº Áøµ¿ ºÐ¼®°èVA-11¸¦ °³¹ßÇßÀ¸¹Ç·Î ¼Ò°³ÇÏ°Ú½À´Ï´Ù.
 
2.Æí¸®ÇÑ »ç¿ëÀÇ Ãß±¸

¡¡Áö±Ý±îÁöÀÇ ÃøÁ¤±â´Â1±âÁ¾¿¡ ¿©·¯°¡Áö ±â´ÉÀ» Æ÷ÇÔ½ÃÅ°°í ÀÖ¾ú±â ¶§¹®¿¡, »ç¿ëÇÏÁö ¾Ê´Â ±â´Éµµ ¸¹¾Æ, ¶Ç ±â´ÉÀÌ ¸¹Àº ÀÏ¿¡ ÀÇÇØ Á¶ÀÛµµ º¹ÀâÇÏ°Ô µÇ¾î ÀÖ¾ú½À´Ï´Ù.ÀÌ Á¡À» ÇؼÒÇϱâ À§ÇØ(¶§¹®¿¡), »ç¿ë ¸ñÀûÀ» ¸íÈ®ÇÏ°Ô ÇØ ¾µµ¥ ¾ø´Â ±â´ÉÀ» »ý·«ÇÏ´Â °ÍÀ» ¸ñÇ¥·Î °³¹ßÇß½À´Ï´Ù.¶Ç, ÀϹÝÀûÀ¸·Î ÃøÁ¤±â´Â, Çü»óÀ̳ª °¡Áö±â ½¬¿ò µî ¼º´É ÀÌ¿ÜÀÇ ºÎºÐ¿¡ ´ëÇÑ °ËÅä°¡ º°·Î µÇ°í ÀÖÁö ¾Ê½À´Ï´Ù.À̹øÀº ÀÌ Á¡¿¡ ´ëÇؼ­µµ ±íÀº °ËÅ並 ´õÇß½À´Ï´Ù.ÀÌ °á°úÀûÀ¸·Î2Á¾·ùÀÇ ÃøÁ¤±â,VA-11 °³¹ßµÇ¾ú½À´Ï´Ù.
¡¡Áøµ¿ ºÐ¼®°èVA-11(Àº)´Â ¹ü¿ëÀÇ ±â°è Áøµ¿¿ë ÃøÁ¤±â·Î, Áøµ¿°è¿ÍFFT¾Ö³Î¶óÀÌÀú¸¦ Æ÷ÇÔÇÏ°í ÀÖ½À´Ï´Ù.±âº»ÀûÀÎ ±â´É¸¸À» ¼±ÅÃÇØ Â¥³Ö¾î ÀÖ¾î, Áøµ¿ ·¹º§ °èÃø, ½Ã°£ ÆÄÇü Çؼ®, ÁÖÆļö ºÐ¼®À» ½Ç½ÃÇØ Áøµ¿ Çö»óÀÇ »ó¼¼ÇÑ Çؼ®À» ½Ç½ÃÇÒ ¼ö°¡ ÀÖ½À´Ï´Ù.
 
3.VA-11ÀÇ °³¿ä

(1)»ç¿ëÇϱ⠽¬¿î ±¸Á¶
¡¡µµ1ÇÏVA-11ÀÇ »çÁøÀÔ´Ï´Ù.ÇÚµå ½ºÆ®·¦À» ºÙ¿´À¸¹Ç·Î ³«ÇÏ »ç°í¸¦ ¸·À» ¼ö°¡ ÀÖ½À´Ï´Ù.¶Ç, ¼ÕÀ¸·Î Àâ´Â ÁÂÃøÀº, Àâ±â ½±°Ô µÕ±Û¸²À» ¶ì¾î ¾à°£ ±½ÀºÀÌ µÇ¾î ÀÖ½À´Ï´Ù.Á߽ɵµ ÁÂÃø¿¡ ÀÖ½À´Ï´Ù.¾ç¼ÕÀ» ºñ¿ö ÀÛ¾÷ÇÏ°í ½ÍÀº °æ¿ì´Â ¾î±ú°ÉÀÌ ¹êµå°¡ ÁغñµÇ¾î ÀÖ½À´Ï´Ù.Áß·®Àº ÀüÁö Æ÷ÇÔÀ¸·Î770g(¿Í)°ú ¸Å¿ì °æ·® ¶§¹®¿¡, ¾îµð¿¡¶óµµ °¡Á® °¥ ¼ö°¡ ÀÖ½À´Ï´Ù.Àü¿øÀº,AC,DC¾îµð¶óµµ »ç¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù.¾ËÄ®¸®´Ü2°ÇÀüÁö4Ã¥À¸·Î22½Ã°£ÀÇ ÃøÁ¤ÀÌ °¡´ÉÇÕ´Ï´Ù.ÃøÁ¤ °á°ú´Â192¡¿128´åÀÇ ¾×Á¤È­¸é¿¡ Ç¥½ÃµË´Ï´Ù.EL¹é ¶óÀÌÆ®°¡ ºÙ¾î ÀÖ±â À§ÇØ È­¸é Àüü°¡ ¹à°í, ¹ãÀ̳ª ¾îµÎ¿î °÷¿¡¼­ À§·ÂÀ» ¹ßÈÖÇÕ´Ï´Ù.
VA-11ÀÇ ¿Ü°ü
¡¡Á¶ÀÛÀº10°³ÀÇ ½ºÀ­Ä¡·Î ½Ç½ÃÇÕ´Ï´Ù.Àß »ç¿ëÇÏ´Â ÃøÁ¤ Á¶°ÇÀº ¸Þ´º¸¦ ¿©´Â ÀÏ ¾øÀÌ, ÃøÁ¤ È­¸éÀ» º¸¸é¼­ º¯°æÇÒ ¼ö ÀÖ½À´Ï´Ù.¶Ç, ÇÈÅ©¾ÐÀ» µÚµû¸£°í ÀÖ´Â ÃøÁ¤ ½ºÅ¸Æ® ½ºÀ­Ä¡¿Í °¡Á³À» ¶§ÀÇ ¿Þ¼Õ ¾öÁö ºÎ±Ù¿¡ ÀÖ´Â ½ºÅä¾î ¹öÆ°À» »ç¿ëÇÏ°í, °£´ÜÇÏ°Ô µ¥ÀÌÅÍ ¼öÁýÀ» ½Ç½ÃÇÒ ¼ö°¡ ÀÖ½À´Ï´Ù.
(2)°íµµÀÇ ±âº» ¼º´É
¡¡DSP(¿Í)°ú ¸¶ÀÌÅ©·Î ÄÄÇ»Å͸¦ Á¶ÇÕÇÑ ÃֽŠ±â¼ú¿¡ ÀÇÇØ, Áøµ¿°èÃøÀÇ ´ëºÎºÐÀ» µðÁöÅ» ¿¬»ê ó¸®ÇÏ°í ÀÖ½À´Ï´Ù.ÇÈÅ©¾ÐÀ¸·Î °ËÃâµÈ °¡¼Óµµ ½ÅÈ£´Â, ¾ÑÅ׳×ÀÌŸ Åë°ú ÈÄ, Áï½Ã16ºñÆ®A/Dº¯È¯µÇ¾îDSP¿¡°Ô °Ç³×Áý´Ï´Ù.DSP(Àº)´Â, ÇÏÀÌ Æнº ÇÊÅͳª lowpass filter, ¼Óµµ³ª º¯À§·Î º¯È¯Çϱâ À§ÇÑ ÀûºÐÀ̳ª2ÁßÀûºÐ, Áøµ¿°è ±â´É¿¡ À־ÀÇ ÇÇÅ©Ä¡³ª ½ÇÈ¿°¡ÀÇ »êÃâ,FFT±â´É¿¡ À־ÀÇ ¾ÈÄ¡¿¡¸®¾Æ¡ÇǸ£Å¸µîÀ», ¸ðµÎ µ¿½Ã¿¡ ¿¬»êÇÕ´Ï´Ù.¸¶ÀÌÅ©·Î ÄÄÇ»ÅÍ´Â, ÀÌ·¯ÇÑ µ¥ÀÌÅÍ Á¦¾î³ªFFT¿¬»êµîÀ» ½Ç½ÃÇØ, ¾×Á¤È­¸é¿¡ Ç¥½ÃÇÕ´Ï´Ù.
¡¡Áøµ¿°è ±â´É¿¡ ´ëÇؼ­´Â, ÀÌ µ¿½Ã ¿¬»ê ´öºÐ¿¡, °¡¼Óµµ ½ÇÈ¿°¡, ÇÇÅ©Ä¡, Å©·¹ Æľ÷ ÆÑÅÍ, ¼Óµµ, º¯À§ÀÇ5Á¾·ùÀÇ °ªÀ» µ¿½Ã¿¡ Ç¥½ÃÇÒ ¼ö ÀÖ½À´Ï´Ù.ÀÌ ¶§¹®¿¡, Áøµ¿·®¿¡ ¸ÂÃß¾î ¼³Á¤ Á¶°ÇÀ» º¯°æÇÒ ÇÊ¿ä°¡ ¾ø½À´Ï´Ù.µµ2ÇÏÁö¸¸ Áøµ¿°è Ç¥½Ã È­¸é¿¹ÀÔ´Ï´Ù. FFT¾Ö³Î¶óÀÌÀú ±â´É¿¡ ´ëÇؼ­´Â, ÈÞ´ëÇüÀÎ °Í¿¡µµ ºÒ±¸ÇÏ°í,80dBÀÇ ´ÙÀ̳ª¹Í ·¹ÀÎÁö,800¶óÀÎ ºÐÇØ°¡´Éµî , °ÅÄ¡Çü¿¡ ÇÊÀûÇÏ´Â ¼º´ÉÀ» °¡Áö°í ÀÖ½À´Ï´Ù.¿¬»ê ½Ã°£µµ ¸Å¿ì ºü¸£°í,100¶óÀÎ ¿¬»ê¿¡¼­´Â1ÃÊ°£¿¡20ȸÀÇFFT¿¬»êÀ» ½Ç½ÃÇÒ ¼ö ÀÖ½À´Ï´Ù.ÀÌ ¶§¹®¿¡,2kHzÀÌÇÏÀÇ ½ÅÈ£¿¡ ´ëÇؼ­ ¸®¾óŸÀÓ ºÐ¼®À» ½Ç½ÃÇÏ´Â °ÍÀÌ °¡´ÉÇÕ´Ï´Ù.¶Ç,128000Á¡ÀÇ ½Ã°£ ÆÄÇüÀ» ¿¬¼Ó ±â·ÏÇØ, ÀÓÀÇÀÇ Àå¼Ò¸¦ ÀçºÐ¼®ÇÒ ¼ö ÀÖ½À´Ï´Ù.
     ¡¡   
Áøµ¿°è Ç¥½Ã È­¸é             FFTºÐ¼® È­¸é
¡¡
   ¡¡
 
 
 
È®´ë»çÁøÀÔ´Ï´Ù. Ŭ¸¯Çϼ¼¿ä.
 
 
 
 
 
 
 
 
 
 

¹°Ç°¹øÈ£    
32 B&K Type 2250 ¼ÒÀ½°è    
31 ¸®¿Â Áøµ¿°è RION VM-52    
30 B&K ¼ÒÀ½Áøµ¿ºÐ¼®±â Type 3560E    
29 B&K Áøµ¿ÃøÁ¤±â±â Type2816,3022,3015,3107,7521    
28 ¿À³ë¼ÒÅ° ONO SOKKI LA-5120    
27 ONO SOKKI CF-4500 FFT ¼ÒÀ½ Áøµ¿ ºÐ¼®±â    
26 ONO SOKKI CF-7200 FFT ¼ÒÀ½ Áøµ¿ ºÐ¼®±â    
25 Melectro V1000 LDV ·¹ÀÌÀú µµÇ÷¯ Áøµ¿°è    
24 B&K Type 8329 (Ometron VH300) LDV ·¹ÀÌÀú µµÇ÷¯ Áøµ¿°è    
23 GRAPHTEC AT3700¿Í ¼¾¼­AT0061 LDV ·¹ÀÌÀú µµÇ÷¯ Áøµ¿°è    
22 GRAPHTEC ·¹ÀÌÀú µµÇ÷¯ Áøµ¿°è AT3400-40 ÇìµåŸÀÔ LDV    
21 GRAPHTEC ·¹ÀÌÀú µµÇ÷¯ Áøµ¿°è AT3400-60 È­À̹öŸÀÔ LDV    
20 GRAPHTEC AT3100£«¼¾¼­ AT3010 LDV ·¹ÀÌÀú µµÇ÷¯ Áøµ¿°è    
19 GRAPHTEC AT3500 + AT0041 LDV ·¹ÀÌÀú µµÇ÷¯ Áøµ¿°è    
18 ONO SOKKI LV-1710 LDV ·¹ÀÌÀú µµÇ÷¯ Áøµ¿°è    
17 ONO SOKKI LV-1610 LDV ·¹ÀÌÀú µµÇ÷¯ Áøµ¿°è    
16 ONO SOKKI LV-1300 LDV ·¹ÀÌÀú µµÇ÷¯ Áøµ¿°è    
15 ONO SOKKI ÅäÅ©µðÅØÅÍ ÄÁ¹öÅÍ ¼¼Æ® TQ-5200 TQ-1160    
14 Dewetron DEWE-5000 µ¥º£Æ®·Ð ¸ÖƼ µ¥ÀÌÅÍ ºÐ¼®±â    
13 ONO SOKKI CF-3600A FFT ¼ÒÀ½ Áøµ¿ ºÐ¼®±â    
12 ONO SOKKI ÈÞ´ë¿ë FFT ºÐ¼®±â CF-3200    
11 ONO SOKKI DS-2000 FFT 3Â÷¿ø ¼ÒÀ½ Áøµ¿ ºÐ¼®±â    
10 ¸®¿Â VA-11 FFT ÈÞ´ë¿ë Áøµ¿ ºÐ¼®±â    
9 ¸®¿Â NL-20 ÀûºÐÇü ¼ÒÀ½°è    
8 ¸®¿Â NL-18 Á¤¹Ð ¼ÒÀ½°è    
7 ¸®¿Â NL-05 ÀûºÐÇü ¼ÒÀ½°è    
6 ¸®¿Â NL-05A ÀûºÐÇü ¼ÒÀ½°è    
5 ¸®¿Â SV-76 ¼ÒÀ½ Áøµ¿ ·¹º§ ·¹ÄÚ´õ    
4 ¸®¿Â UV-05A ¼ÒÇü Áøµ¿°è    
3 ¸®¿Â RION LR-04 ¼ÒÀ½ Áøµ¿ ·¹º§ ·¹ÄÚ´õ    
2 Narda EFA-200 Magnetic Field Analyzer ÀüÀÚÆÄ ÃøÁ¤±â    
1 NARDA SRM-3000 Á¤¹Ð ÀüÀÚÆÄ ÃøÁ¤±â