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4ä³Î ±¤ÇÕ¼º ÃøÁ¤ µ¥ÀÌÅͷΰÅ

 
                       4ä³Î ±¤ÇÕ¼ºÃøÁ¤ÀåÄ¡  PTM-48A

   


   
  
Àå±â°£, 24½Ã°£ ³»³»,  ÀÙÀÇ CO2±³È¯, Áõ»ê, ±â¹® Àüµµµµ ÀÚµ¿À¸·Î ÃøÁ¤  

    • 4°³ÀÇ Leaf Chamber°¡ ÀÚµ¿À¸·Î ÀÛµ¿           

    •  ±¤ÇÕ¼º ÀÌ¿ÜÀÇ È¯°æ ¼¾¼­ ¿¬°á¿ë ÀԷ´ÜÀÚ 8°³ : 
      
Áٱ⺯ȭ¼¾¼­, °ú½Ç¼ºÀå¼¾¼­, ¿±¿Â¼¾¼­, Àû¿Ü¼±¿±¿Â¼¾¼­, ¼ö¾×È帧¼¾¼­, »ýÀå¼¾¼­, ±¤·®¼¾¼­, Àϻ緮¼¾¼­,
       Åä¾ç¼öºÐ¼¾¼­, °á·Î¼¾¼­,
       Áö¿Â¼¾¼­,  ÀÏü¼¾¼­(Åä¾ç¼öºÐ,Áö¿Â,Åä¾çEC)

    • RTH-48 Meter(±¤·®,±â¿Â,»ó´ë½Àµµ) ¿¬°á ´ÜÀÚ º°µµ Á¦°ø

    • ±âº»Çü Leaf Chamber À̿ܿ¡ Ư¼öÇü Leaf Chamber¸¦ ¼±ÅÃÇÏ¸é  
      ¼ø ±¤ÇÕ¼º/ÃÑ ±¤ÇÕ¼º/±¤È£Èí/¾ÏÈ£Èí µî ÃøÁ¤

 

 
 PTM-48A´Â ½Ä¹°¿¡ º¯È­ ¶Ç´Â ¼Õ»óÀ» ÁÖÁö ¾Ê°í, ÀÖ´Â ±×´ë·ÎÀÇ »ý¸®ÇÐÀû Ư¼ºÀ» Àå±â°£ ÀÚµ¿À¸·Î ÃøÁ¤±â·ÏÇÕ´Ï´Ù.

 ÀÚµ¿À¸·Î ¿©´Ý´Â ±¤ÇÕ¼ºÃøÁ¤¿ë leaf chamber¸¦ ¿¬°áÇϴ ä³ÎÀÌ 4°³ÀÔ´Ï´Ù.
 ÀÌ leaf chamber´Â ÀϹÝÀûÀ¸·Î 30Ãʰ£ CO2¿Í H2O ±³È¯¼Óµµ¸¦ ÃøÁ¤ÇÔÀ¸·Î½á ÀÚ¿¬»óÅÂÀÇ ÀÙ¿¡ ÁÖ´Â ÃøÁ¤¿¡ ÀÇÇÑ ¹æÇظ¦ ÃÖ¼ÒÈ­ÇÕ´Ï´Ù.

 ±âº»À¸·Î Á¦°øµÇ´Â leaf chamber (¸ðµ¨ LC-4B) ´Â ±¸°æÀÌ 20 Á¦°ö¼¾Æ¼¹ÌÅͷμ­ ´Ù¾çÇÑ ÀÙÀÇ ÃøÁ¤¿¡ ÀûÇÕÇÕ´Ï´Ù.

 ÀÌ ±âº»Çü ¸®ÇÁè¹ö¿¡´Â ¿±¿Â¼¾¼­¸¦ ¿É¼ÇÀ¸·Î ÀåÂøÇÒ ¼ö ÀÖ½À´Ï´Ù. ÀÌ °æ¿ì, ±â¹®Àüµµµµ¸¦ Ãß°¡·Î ÃøÁ¤ÇÒ ¼ö ÀÖ°Ô µË´Ï´Ù.

 ¿É¼Ç ¸®ÇÁè¹öÀÎ ºÒÅõ¸í ¸®ÇÁè¹ö(LC-4D)¸¦ »ç¿ëÇϸé Á¶µµÈÄÆÄ¿­±â¼ú(PIB)¿¡ ±â¹ÝÀ» µÐ ÀÙÀÇ CO2 ±³È¯ÀÇ ºÐÇÒÀÌ °¡´ÉÇÏ°Ô µË´Ï´Ù.
 ÇÑ ½ÖÀÇ LC-4B¿Í LC-4D¸¦ »ç¿ëÇÏ¸é ±¤È£Èí, ¾ÏÈ£Èí, ±×¸®°í ÃÑ ±¤ÇÕ¼º°ú ¼ø ±¤ÇÕ¼ºÀ» ÃøÁ¤ÇÒ ¼ö ÀÖ½À´Ï´Ù.

 ¿ÏÀüÈ÷ ÀÚµ¿À¸·Î Áö¼ÓÀûÀÎ ±¤ÇÕ¼ºÃøÁ¤À» ¼öÇàÇϸç, ±× °£°ÝÀº 5~120ºÐ »çÀÌ¿¡ ¼³Á¤ÇÒ ¼ö ÀÖ½À´Ï´Ù.

 ÈÞ´ë¿ëÀ̸ç, Á÷·ù 12º¼Æ® Àü¿øÀ¸·Î ±¸µ¿ÇÕ´Ï´Ù.

 PC¿ÍÀÇ Åë½ÅÀº RS-232 ¶Ç´Â RS-485 ¸¦ »ç¿ëÇÕ´Ï´Ù. ¿ø°ÝÀ¸·Î »ç¿ëÇÏ·Á¸é, 2.4GHzÀÇ ¹«¼±¸ðµ©À̳ª GPRS¸ðµ©À» »ç¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù.


 

 SPECIFICATIONS

 ¡ÜNumber of leaf chamber inputs: 4
 ¡ÜLeaf chamber area: 20 §²
 ¡ÜStandard length of connecting hose: 4 m
 ¡ÜNormal range of airflow rate in the leaf chamber channel: 0.8 to 1.0 LPM
 ¡ÜCO2 concentration measurement range: 0-1000 ppm
 ¡ÜRated measurement range of CO2 exchange: -70 to 70 §­olCO2/§³s
 ¡ÜRated measurement range of H2O exchange: 0 to 150 mgH2O§³/s
 ¡ÜBuilt-in RTH-48 Meter for measuring Photosynthetic Radiation, Air Temperature,
    Relative Humidity and Leaf Wetness.
 ¡ÜNumber of inputs for optional sensors: 8
 ¡ÜInput range for optional sensors: Programmable, 0-1 to 0-20Vdc
 ¡ÜPower requirements: 12 Vdc @ 60W max.
 ¡ÜInterface: RS232 and RS485, Optional RF or GPRS modems
 ¡ÜTerminal Emulator software for Windows
 ¡ÜEnvironmental protection index: IP55

 

  CO2 ±³È¯ ºÐÇÒ

  ºûÀ» ¹ÞÀº ÀÙÀº ¾îµÒ¿¡ ³ëÃâµÇ´Â óÀ½ ¼ø°£, ÀϽÃÀûÀ¸·Î ¸¹Àº CO2 ¹æÃâÀ» º¸ÀδÙ. ÀÌ·± ±Þ¼ÓÇÑ Áõ°¡¸¦ È£ÈíÀÛ¿ë¿¡ ÀÇÇÑ Á¶µµÈÄÆÄ¿­(PIB: respiratory post-illunination burst) À̶ó°í Çϴµ¥,
  ÀÌÈÄ¿¡ È£Èí¿¡¼­ µÎ ¹øÂ° ´ÊÀº »ó½ÂÀÌ µû¶ó¿Â´Ù. À̰ÍÀ» ±¤¿¡ ÀÇÇØ Áõ´ëµÈ ¾ÏÈ£Èí(LEDR: light-enhanced-dark-respiration)À̶ó°í ÇÑ´Ù. Á¶µµÈÄ CO2 ¹æÃâÀÇ Ã¹¹øÂ° ÃÖ°íÁ¡À» ´ë°³ ±¤È£ÈíÀ²ÀÇ
  Ç¥Áö·Î °£ÁÖÇÑ´Ù.

  PTM-48A ±¤ÇÕ¼ºÃøÁ¤±â¿¡ ºÒÅõ¸í ¸®ÇÁè¹ö¸¦ »ç¿ëÇϸé ÀÌ PIB ±â¼úÀ» ½±°Ô ½ÇÇö½Ãų ¼ö ÀÖ´Ù. ±×·¯¹Ç·Î ±âº» Åõ¸í ¸®ÇÁè¹ö¿Í ºÒÅõ¸í ¸®ÇÁè¹ö¸¦ ÇÑ ½ÖÀ¸·Î ±¸¼ºÇÏ¿© »ç¿ëÇϸé CO2±³È¯ÀÇ
  ÇÑ ½ÎÀÌŬ Àüü¸¦ ³ªÅ¸³¾ ¼ö ÀÖ°í À̷νá CO2±³È¯ÀÇ ºÐÇÒÀ» ½ÇÇöÇÒ ¼ö ÀÖ´Ù. ¿©±â¼­ LC-4B ¸®ÇÁè¹ö°¡ ÃøÁ¤ ½ÎÀÌŬÀ» ½ÃÀÛÇÏ°í ±× ´ÙÀ½¿¡ LC-4D ¸®ÇÁè¹ö°¡ ±× ÀÙÀ» ¾ÏÈæ ¼Ó¿¡ ³Ö´Â´Ù.

 



 ±â¹® Àüµµµµ(Stomatal Conductance)

 ÀÙ¿¡¼­ ³ª¿À´Â ¼öÁõ±âÀÇ Ç÷°½º´Â °¡½ºÆ®¶ó°¡ Á¦¾ÈÇÑ ´ÙÀ½ °ø½ÄÀ¸·Î Ç¥ÇöµÉ ¼ö ÀÖ´Ù.

                  Tr = (Hleaf - Hatm)(¥Ãs + ¥Ãb),                 (1)

  ¿©±â¿¡¼­

   Tr  - ¼öÁõ±â Ç÷°½º
   Hleaf
- ÀÙ»ì ¼¼Æ÷ Ç¥¸é¿¡¼­ÀÇ ¼öÁõ±â ³óµµ
   Hatm - ´ë±â ¼öÁõ±â ³óµµ
    ¥Ãs  - ¼öÁõ±â È®»ê¿¡ ´ëÇÑ Ç¥ÇÇ ÀúÇ×
   ¥Ãb   - ¼öÁõ±â È®»ê¿¡ ´ëÇÑ °æ°èÃþ ÀúÇ×

 ±×·¯¹Ç·Î,

                   ¥Ãs  = (Hleaf - Hatm)/Tr  -  ¥Ãb,                 (2)

 ±×¸®°í,

                  ¥òs = 1/¥Ãs,

  ¿©±â¿¡¼­,

  ¥òs  - ±â¹® Àüµµµµ

  À§ÀÇ °ø½Ä (2)¸¦ LC-4B¿¡ Àû¿ëÇÑ´Ù¸é, PTM-48A·Î Tr°ú Hatm¸¦ ÃøÁ¤ÇÒ ¼ö ÀÖÀ½À» ¾Ë ¼ö ÀÖ´Ù.
  ¥Ãb´Â LC-4B ¸®ÇÁè¹ö¿Í ±× ¾ÈÀÇ °ø±âÀ¯¼Ó Ư¼ºÀ̸ç 220 s/mÀÓÀÌ ¹àÇôÁ® ÀÖ´Ù.
HleafÀÇ °ªÀº »ç½Ç»ó ÀÙÀÇ ¿Âµµ¿¡¼­ÀÇ Æ÷È­¼öÁõ±â ³óµµÀ̸ç LT-LC¼¾¼­·Î ÃøÁ¤ÇÒ ¼ö ÀÖ´Ù.
  LT-LC ¿±¿Â¼¾¼­´Â ¸®ÇÁè¹ö¿¡ °íÁ¤ÇÒ ¼ö ÀÖ´Â ½ºÅÙ·¹½º ½ºÆ¿ ¿ÍÀ̾îŬ¸³ÀÌ´Ù. Ãà¼Ò±¸½½Çü ¼­¹Ì½ºÅÍ´Â »ç°¢Çü ½ÅÃàÆÇ¿¡ ÀÇÇØ ÀÙ¿¡ Á¢ÃËÀ» Àß À¯ÁöÇÏ°Ô µÈ´Ù. ÀÌ ¼¾¼­´Â º»Ã¼ÀÇ 8°³ ¼¾¼­ÀÔ·Â ´ÜÀÚ ÁßÀÇ
 Çϳª¿¡ ¿¬°áµÇ¸é µÈ´Ù. ÀÙÀÇ ±â¹®Àüµµµµ´Â ÃøÁ¤µÈ Áõ»êÀ²°ú LC-4B ¸®ÇÁè¹öÀÇ ³»ºÎ °æ°èÃþÀÇ Àüµµµµ¿¡ ±Ù°ÅÇÏ¿© °è»êµÈ´Ù.

 

                 PTM-48A Ä«´Ù·Î±× pdf  
                 PTM-48A ¿Í LI-6400 ºñ±³³»¿ë º¸±â (pdf ÆÄÀÏ)

 

07587 ¼­¿ï½Ã °­¼­±¸ °øÇ×´ë·Î 41±æ 66 (µîÃ̵¿,  ¼¼½ÅÁ¾ÇÕ»ó°¡ 305È£)
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