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À¯Ã¼³»ÀÇ ¿À¿°µµ (çýæøÓø)´Â ¾î¶»°Ô Ç¥±âµÇ³ª?

À¯Ã¼³»ÀÇ Ã»Á¤µµ (ôèïäÓø)¸¦ ³ªÅ¸³¾ ¶§ NAS 4 µî±Þ, NAS 5 µî±ÞÀ̶ó Ç¥½ÃÇÑ´Ù. À̸¦, Á¤È®È÷ ¸»Çϸé, National Aerospace Standard (NAS) 1638±Ô°Ý¿¡ ÀÇÇÑ ¿À¿° ±¸ºÐÀº 4±Þ ¶Ç´Â 5±ÞÀ̶õ ¶æÀÌ´Ù. 1964³â¿¡ Á¦Á¤µÈ ÀÌ NAS 1638Àº, ¿ø·¡´Â Ç×°ø±âÀÇ À¯¾ÐÀÛµ¿ ºÎǰÀÇ ¿À¿°·® °ü¸®¸¦ ¸ñÀûÀ¸·Î ÇÑ °ÍÀ̳ª, ´Ù¸¥ ºÐ¾ß¿¡µµ ³Î¸® »ç¿ëµÇ¾î ¿Ô´Ù. ÈÄ¿¡ NAS 1638À¸·Î International Standard Organization (ISO) 4406 ±Ô°ÝÀÌ Á¦Á¤µÇ¾ú´Ù. NAS 1638Àº ISO 4406À» °³Á¤ÇÑ ISO 4406:1999¿Í ÇÔ²² Åë¿ëµÇ°í ÀÖ´Ù. ÀÌ ¿Ü¿¡ Society of Automotive Engineers (SAE)¿¡¼­ Á¦Á¤ÇÑ AS40591, ISO 11218, ±×¸®°í ¹Ì±¹¹æ¼º (Ministry of Defense)ÀÇ DEF STAN 05-42/2 µîµµ »ç¿ëµÇ°í ÀÖ´Ù. ¾Æ·¡¿¡ ÀÌµé ±ÔÁ¤À» °£·«È÷ ¼³¸íÇÑ´Ù.

NAS 1638 -- NAS 1638¿¡ ÀÇÇÑ ¿À¿° µî±ÞÀº ¹Ì¸³ÀÚ (Ú°Ø£í­) ÀÇ ÀÔ°æ(í£ÌÓ)À» 5¹üÀ§ [5~15, 15~25, 25~50, 50~100, >100 ¸¶ÀÌÅ©·Ð (§­)]À¸·Î ±¸ºÐÇϰí, ¿À¿°ÀÔÀÚÀÇ ¼ö¸¦ ÀÌ ±¸ºÐ¿¡ µû¶ó 14 µî±Þ (00, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)À¸·Î Ç¥½ÃÇÑ´Ù. ÀÌ ±Ô°ÝÀÇ ÃÖÁ¾ ÆÇÀ» º¸¸é ¡°ÀÌ ±Ô°ÝÀº 2001³â 5¿ù 30ÀÏ ÀÌÈÄÀÇ »õ·Î¿î ¼³°è¿¡´Â Àû¿ëµÇÁö ¾Æ´ÏÇÑ´Ù (Inactive). AS4059C¸¦ ÂüÁ¶Ç϶ó.¡±¶ó°í ÇÏ¿´´Ù

AS4059 -- AS4059´ÂNAS 1638À» °³¼±ÇÑ °ÍÀ¸·Î, ¿À¿°¹üÀ§¸¦ 5±¸ºÐ(A, B, C, D, E) ÇÏ¿© ¿À¿°µµ¸¦ 15 µî±Þ (000, 00, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)À¸·Î Ç¥½ÃÇÑ´Ù. ¿¹, AS4059 6B´Â ¿À¿°±¸ºÐ B (>5 §­), ¿À¿°µµ 6 ±Þ (19,500/100ml)À» ¶æÇÑ´Ù

DEF STAN 05-42/2 -- 1982³â¿¡ ¹Ì±¹¹æ¿¡¼­ ÀÛµ¿À¯ ÆÄ-ƼŬ ¿À¿°µµ¸¦ ±¸ºÐÇÑ ±ÔÁ¤ (Defense Standard)À¸·Î, 6 °¡Áö ÀÔÀÚÀÇ Å©±â (>5, >10, >15, >25, >50, >100 ¸¶ÀÌÅ©·Ð)¿¡ ´ëÇÑ ÀÔÀÚÀÇ ¼ö¸¦ 9 µî±Þ (400, 800, 1300, 2000, 4400, 6300, 15000, 21000, 100000)À¸·Î ±¸ºÐÇÏ¿© ³ªÅ¸³½´Ù.

ISO 4406:1987 -- 1987³â¿¡ Á¦Á¤µÈ ISO CODE 4406Àº µÎ °¡Áö CODE ¹øÈ£¸¦ »ç¿ëÇÏ¿© À¯Ã¼ 1 ml ¾ÈÀÇ ¿À¿°µµ¸¦ ³ªÅ¸³½´Ù. ù CODE ¹øÈ£´Â, 1 ml ¾ÈÀÇ >5 §­ ÀÇ ¹Ì¸³ÀÚÀÇ ¼ö¸¦, µÑ° ¹øÈ£´Â >15 §­ ÀÇ ¹Ì¸³ÀÚÀÇ ¼ö¸¦ ³ªÅ¸³½´Ù. ¿¹, CODE ¹øÈ£ 18/13Àº 1 ml ¾È¿¡ Æ÷ÇÔµÈ >5 §­ ÀÇ ¹Ì¸³ÀÚÀÇ ¼ö´Â 1,300~2,500 À̰í, >15 §­ ÀÇ ¹Ì¸³ÀÚ´Â 40~80 ÀÓÀ» ¶æÇÑ´Ù. ±×·¯³ª >2 §­ ¸¦ Æ÷ÇÔÇÑ ¼¼°¡Áö CODE ¹øÈ£·Î Ç¥±âµÇ±âµµ ÇÑ´Ù. À̸¦ NAS 1638°ú ºñ±³ÇØ º¸¸é, ISO 4460ÀÇ 16/13 Àº NAS 1638ÀÇ 7 µî±Þ¿¡, 14/11Àº 5µî±Þ¿¡ °¢°¢ ÇØ´çÇÑ´Ù (¼ºÁø À¥: ûÁ¤µµ Á¶°ßÇ¥ ÂüÁ¶).

ISO 4406:1999 -- 1992³â GM»ç¿¡¼­ ±×°£ »ç¿ëµÇ¾î ¿Â ½ÃÇèºÐ¸» (AC Fine Test Dust)ÀÇ »ý»êÀ» Áß´ÜÇÏÀÚ, ISO¿Í SAE¿¡¼­´Â »õ·Î¿î ½ÃÇèºÐ¸» (Medium Test Dust)·Î À̸¦ ´ëÄ¡ÇÏ¿´°í, À¯Ã¼³»ÀÇ ÀÔÀÚÀÇ Å©±â¿Í ºÐÆ÷ÀÇ ÃøÁ¤¹æ¹ýÀ» °³¼±ÇÏ°Ô µÇ¾ú´Ù. ÀÌ °³¼±µÈ °á°ú, ÀüÀÚÇö¹Ì°æ (Scanning electron microscope)À¸·Î ºÐ¼®ÇÑ2 ÀÔÀÚÀÇ Å©±â ºÐÆ÷´Â, <10 §­ ¹Ì¸¸¿¡¼­, Á¾ÀüÀÇ (ACFTD·Î °è·®ÇÑ) ÀÚµ¿ÀÔÀÚ°è¼ö±âÀÇ3 ÃøÁ¤Ä¡¿Í ÇöÀúÈ÷ ´Ù¸£°Ô ³ªÅ¸³ª, ½ÇÁ¦ÀÇ ÀÔÀÚ´Â ÀüÀÇ ÃøÁ¤Ä¡º¸´Ù Å©´Ù´Â »ç½ÇÀ» ¾Ë°Ô µÇ¾ú´Ù. ±×¸®ÇÏ¿©, ±âÁØ ÀÔÀÚ¸¦ 4 §­(c), 6 §­(c), 14 §­(c)·Î º¯°æÇÏ¿©, ¼¼°¡Áö ¼ýÀÚCODE ¹øÈ£¸¦ »ç¿ëÇÏ´Â 4609:1999 ¸¦ Á¦Á¤ÇÏ¿´´Ù. ¿¹, ISO 4609:1999ÀÇ 18/15/12´Â 2, 5 ±×¸®°í 15 §­ ·Î Ç¥±âµÈ ISO 4406ÀÇ 17/15/12¿¡ ÇØ´çÇÑ´Ù. ÀÔÀÚÀÇ Å©±â x§­(c)ÀÇ (c)´Â ¡°certified¡± µÈ Calibration À̶õ ¶æÀ¸·Î Á¾ÀüÀÇ Å©±â¿Í ±¸ºÐÇϱâ À§ÇÏ¿© ÷°¡ÇÑ´Ù.

³¡À¸·Î, À§¿¡¼­ ¼³¸íÇÑ Á¦ ±ÔÁ¤ÀÇ ÆÄ-ƼŬ °è¼öÀÇ ±âÁØ ÀÔÀÚÀÇ Å©±â´Â ¾Æ·¡¿Í °°´Ù

ûÁ¤ (¿À¿°) ±ÔÁ¤ ±âÁØ ÀÔÀÚ ±¸ºÐÇ¥ :

  ÆÄƼŬ Å©±â
ISO 4402/ ±¤ÇÐÇö¹Ì°æ <1 §­ 5 §­ 10 §­ 15 §­ 25 §­ 50 §­ 100 §­
ISO 11171/ ÀüÀÚÇö¹Ì°æ 4 §­(c) 6 §­(c) 10 §­(c) 14 §­(c) 21 §­(c) 38 §­(c) 70 §­(c)
NAS 1638: Differential, counts/100 ml    
AS 4059: Cumulative, counts/100 ml    
ISO 11218: Cumulative, counts/100 ml *    
DEF STAN 05-42/2:
Cumulative, counts/100 ml
 
ISO 4406:87: Cumulative, counts/100 ml (*)        
ISO 4406:99 Cumulative, counts/ml        
* 2§­ ( = 4.6 §­(c))

1) SAE, Cleanliness classification for hydraulic fluids
2) ISO 11171: Calibration of automatic particle counters for liquids
3) ISO 4402: Calibration of automatic count instruments for particles suspended in liquids
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