I P X 2
Field Mount Current-to-Pressure Transmitter

IPH2

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IPH diagramÇÁ·Î¼¼½º »ê¾÷ÇöÀå¿¡¼­ (À§ÇèÁö¿ª Æ÷ÇÔ) °ø±â½Ä °è±â¿¡ Àû¿ëÇÏ´Â Current-to-Pressure(I/P) º¯È¯±â·Î¼­ DCS, PLC¶Ç´Â PCµîÀ¸·ÎºÎÅÍ 2 wire loop powered Àü·ù½ÅÈ£ (¿¹: 4 - 20mA)¸¦ ÀÔ·Â¹Þ¾Æ À̸¦ 3 -15 psi,  0.2 - 1 Kg/Cm2, µîÀÇ ¾Ð·Â ½ÅÈ£·Î º¯È¯½ÃÄÑ ¹ëºê, ¾×Ãò¿¡ÀÌÅÍ ¹× ±âŸ °ø±â¾Ð·ÂÀ¸·Î Á¦¾îµÇ´Â °è±â¿¡ °ø±ÞÇÏ¿© Á¦¾îÇϱâÀ§ÇÑ Àü·ù/°ø¾Ð º¯È¯±â ÀÔ´Ï´Ù.   °æÁ¦ÇüÀÎ NEMA4X ¸ðµ¨(IPH2) µµ ÀÖÀ¸¸ç,  °ø±â¸¦ Àü·ù·Î º¯È¯ (P/I) ÇÏ´Â ¿ª½ÅÈ£(15-3psi, 1-0.2Kg/Cm2)¿ë Á¦Ç°(PIH)µµ ÀÖ½À´Ï´Ù.  ÇöÀåÀÇ ¿­¾ÇÇÑ È¯°æ¿¡ ÀûÀÀÇÒ ¼ö ÀÖµµ·Ï Æ°Æ°ÇÏ°Ô Á¦À۵ǾúÀ¸¸ç,  Ãµ¿¬°¡½º (Natural Gas) °èÀå¿¡ Àû¿ëÇϱ⿡ ÀûÇÕÇϵµ·Ï Á¦ÀÛµÈ ¸ðµ¨ (-NG option) ÀÖ½À´Ï´Ù.

¶ÇÇÑ Áö³­¼¼¿ùµ¿¾È ÇöÀå¿¡¼­ ºó¹ßÇÏ´Â °íÀåÀÇ ¿øÀÎÀ» ºÐ¼®ÇÏ¿©º» °á°ú ´ëºÎºÐÀÌ À¯´ÏÆ®·Î ÀԷµǴ air/gas»ó¿¡ slugs°¡ ³¢¾î¼­ ÀÌ·ÎÀÎÇÑ °£´ÜÇÑ °íÀåÀ̾úÀ½¿¡µµ ºÒ±¸ÇÏ°í ³»ºÎ ÀüÀÚȸ·Î¸¦ Á¦°ÅÇؾ߸¸ ÇÏ´Â ºÒÆíÇÔÀ» °³¼±ÇÏ¿© ,  pneumatic line°ú Electronic circuit¸¦ ½±°Ô ºÐ¸®ÇÒ ¼ö ÀÖµµ·Ï °³¼± ÇÏ¿´½À´Ï´Ù.   ´ÙÀ½¿¡ »çÁø(fig5)À» º¸ÀÔ´Ï´Ù.

 


             ¡á ±¤¹üÀ§ÇÑ ÀÔ/Ãâ·Â ¼±Åà( split, 4-20mA, 22Á¾·ù direct/reverseÃâ·Â)
             ¡á Low air ¼Òºñ·® (0.08 SCFM) ¹× High output volume (300SCFH)
             ¡á °íÁ¤(± 0.25% span)
¹× ¾ÈÁ¤¼º
             ¡á ¿ì¼öÇÑ ÀüÀÚÆÄ Â÷´Ü´É·Â (RFI / EMI)

»ç ¾ç

 

 

 

ÀÔ·Â :

 

4-20mA / 4-12mA / 12-20mA  ( 250¿È )

Ãâ·Â :

 

0-20, 1-17, 3-15, 3-16.6, 3-18, 3-27, 6-30 psi
0.2-1bar, 20-100kPa, 0.2-1 kg/cm2, 0.02-0.10MPa

¿ªÃâ·Â :

 

 IPH2 ¸ðµ¨¸¸ °¡´É
20-0, 17-1, 15-3, 6.6-3, 18-3, 27-3, 30-6 psi
1-0.2bar, 100-20kPa, 1-0.2kg/cm2, 0.1-0.02MPa

°ø±Þ ¾Ð·Â :

 

20 ~ 35 Psi ( Ãâ·Â¼±Åÿ¡µû¶ó ´Ù¸§)
1.4 Kg/Cm2 (1.4bar, 140kPa, 0.14MPa)

½ºÅÜ ÀÀ´ä¼º :

 

0.2ÃÊ (Ãâ·Â¼³Á¤Ä¡ 90% µµ´Þ½Ã°£ )

°ø±â ¼Ò¸ð·® :

 

0.1 SCFM

°ø±â ¿ë·® :

 

ÃÖ´ë 5.0 SCFM min.

Çã¿ë ÃÖ´ë ÀÔ·Â :

 

 > 15psig ÀÌ»ó ·¹ÀÎÁö 80 psig
 < 15psig
ÀÌÇÏ ·¹ÀÎÁö 45psig

RFI / EMI È¿°ú :

 

<±0.25% of span change 10V/m@ 20-1000MHz

ÁÖº¯¿Âµµ ¹üÀ§ :

 

-40 ~ +85µµ¾¾ ( ±0.025% of span /°C under 80degC amb. &  ±0.1% of span /°C  max.)

Á¶Á¤ Çã¿ëÄ¡ :

 

 screw adjustment - ±10% of zero, span minimum

¿¬°áºÎ :

 

1/4" NPTF (ÀÔ·Â´Ü ¹× °ø±â¾Ð °ø±Þ´Ü)

 ¹«°Ô :

 

IPX2: 2.4kg,  IPH2 : 1.14kg

 

 

 

 

IPH Application

Pneumatic À¸·Î Á¦¾îÇÏ´ø ÇöÀå¿¡¼­ ±âÁ¸ Pheumatic ÇöÀå°è±â·ù¸¦ ±×´ë·Î »ç¿ëÇÏ°í ½ÅÈ£¸¸ Áß¾ÓÁ¦¾î½Ç·Î ¿¬°áÇÏ°íÀÚÇÏ´Â Revamping (Upgrading) ÇÁ·ÎÁ§Æ®¿¡ ÀÌ¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù. ÇöÀå°è±â·ù´Â ±×´ë·Î »ç¿ëÇÏ°í ÇöÀ弳ġ¿ë I/P, P/I º¯È¯±â¸¦ ÇöÀå¿¡ ¼³Ä¡ÇÑ´ÙÀ½ CVVS Cable¸¸ ¿¬°áÇÏ½Ã¸é µË´Ï´Ù.

 
Split Range Control¿¹ ÀÔ´Ï´Ù.
¸¸¾à ¿Âµµ¸¦ ¹Þ¾Æ À̸¦ ÀÌ¿ëÇÏ¿© heating/cooling valve¸¦ Á¶ÀýÇÏ·Á°í ÇÑ´Ù¸é À­±×¸²°ú °°ÀÌ ¼³°èÇÏ¸é °øÈ÷ ¹ëºê¸¦ ´Ý´Â µ¿ÀÛÀ» ÇÕ´Ï´Ù. (±×¸²Àº Setpoint¸¦ 12mA (50%)¶ó°í °¡Á¤ÇÑ °æ¿ì) 

 

 

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