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Control Equipment

Abstract

  • Control equipment refers to devices or systems used to monitor and manage industrial processes, ensuring proper operation, safety, and efficiency. It includes a wide range of instruments, controllers, and sensors that facilitate the measurement, regulation, and automation of various parameters within a system.
  • Control equipment plays a vital role in industrial automation, process optimization, and safety. It enables real-time monitoring, precise control, and efficient operation of various processes, contributing to improved productivity, reduced downtime, and enhanced product quality.
  • Control equipment can be categorized into different types based on their specific functions:
    • Sensors: Sensors are devices that detect and measure physical quantities such as temperature, pressure, flow rate, level, or humidity. They provide input signals to the control system, enabling the monitoring and control of process variables.

    • Transmitters: Transmitters convert the signals from sensors into standardized electrical signals, such as 4-20mA or 0-10V, for transmission to the control system or remote devices. They ensure accurate and reliable transmission of measurement data.

    • Programmable Logic Controllers (PLCs): PLCs are industrial-grade digital computers used to automate and control various processes. They receive input signals from sensors, make decisions based on pre-programmed logic, and activate output devices to control valves, motors, or other equipment. PLCs are widely used in manufacturing, energy, and infrastructure industries.

    • Distributed Control Systems (DCS): DCS is a control system architecture that integrates various control equipment and components to provide centralized control and monitoring of complex processes. It consists of multiple controllers distributed throughout the system, connected to a central operator interface. DCS is commonly used in large-scale industrial plants such as refineries and power plants.

    • Control Valves: Control valves regulate the flow rate, pressure, or level of fluids in a process. They receive signals from the control system and adjust their position or opening to control the flow of the fluid. Control valves play a crucial role in maintaining desired process conditions.

    • Human-Machine Interface (HMI): HMIs provide a graphical interface for operators to interact with the control system. They display real-time process data, alarms, and allow operators to monitor and control the system parameters. HMIs enable intuitive and efficient control of the industrial processes.

    • Safety Instrumented Systems (SIS): SIS is a dedicated control system designed to ensure the safety of critical processes. It includes sensors, logic solvers, and final control elements that are independently configured to prevent hazardous situations and respond to emergency conditions.

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  • »ç°íÀÇ ¹æÁö ¹× °íÀå½Ã ÀûÀýÇÑ ´ëó
  • ±Ù¹« Á¶°ÇÀÇ Çâ»ó
  • ¿î¿µ °³¼±À» À§ÇÑ ÀÚ·á(Data)ÀÇ ¼öÁý

 

1) ÁÖ¿ä °èÃø±â±â

(1) À¯·®°è

  • À¯·®°è´Â ÀÏÁ¤ ¸éÀûÀÇ ´Ü¸éÀ» Åë°úÇÏ´Â À¯Ã¼ÀÇ Ã¼Àû, Áú·® ¶Ç´Â Áß·®À» ½Ã°£¿¡ ´ëÇÑ ºñÀ²·Î Ç¥ÇöÇÏ´Â °è±âÀÌ´Ù.
    • ¨ç üÀûÀ¯·®°è : Q = A.v [§©/s]
    • ¨è Áú·®À¯·®°è : M = Q.ρ = A.v.ρ [kg/s]
    • ¨é Àû»êÀ¯·®°è : G = ∫Q.ρ = ∫A.v.ρ [§©,kg]
      (A : ´Ü¸éÀû, v : ¼Óµµ, ρ : ¹Ðµµ)

 

(À¯·®°è Á¾·ù)

 

±¸ºÐ

À¯·®°èÀÇ Á¾·ù

¾×ü ¶Ç´Â

±âü¿ë

¿ëÀûÀ¯·®°è, ¸éÀûÀ¯·®°è, Â÷¾ÐÀ¯·®°è, ÅͺóÀ¯·®°è, ¿Í·ùÀ¯·®°è, ÃÊÀ½ÆÄÀ¯·®°è, Áú·®À¯·®°è, Àû»êÀ¯·®°è

¾×üÀü¿ë

ÀüÀÚÀ¯·®°è, °³¼ö·ÎÀ¯·®°è

 

À¯·®°è ¹Ù·Î°¡±â

 

(2) ¼öÀ§°è

  • ¼öÀ§ ÃøÁ¤Àº ±æÀÌ °èÃø ÀÀ¿ëÀÇ Çϳª¶ó·Î ¿ë±â ¾ÈÀÇ ¹°Áú·®À» ÃøÁ¤ÇÏ´Â °è±â·Î°ËÃâºÎ¿Í ½ÅÈ£º¯È¯±â ±¸¼ºµÇ¸ç, ¼öÀ§ÃøÁ¤ ¹æ¹ý¿¡´Â Á÷Á¢¹ý°ú °£Á¢¹ýÀÌ ÀÖ´Ù

 

(¼öÀ§°è Á¾·ù)

 

ºÐ·ù

¹æ½Ä

Á¾·ù

Á÷Á¢¹ý °ËÄ¢½Ä HooK Gauge, Point Gauge
¿¬Åë°ü½Ä Gauge Graph
ºÎÀÚ½Ä Pulleytlr, Ball Float½Ä, Reed Float½Ä ¼öÀ§°è
°£Á¢¹ý ºÎÀÚ½Ä Displacement½Ä ¼öÀ§°è
Â÷¾Ð½Ä ¾×À§Àü¼Û±â, ÅõÀÔ½Ä ¼öÀ§°è
Purge ½Ä Air Purge½Ä ¼öÀ§°è
Àü±Ø½Ä Àü±ØºÀ, Á¤Àü¿ë·®½Ä ¼öÀ§°è
ÃÊÀ½ÆÄ½Ä ÃÊÀ½ÆÄ½Ä ¼öÀ§°è
±âŸ(ºÐü¿ë) À½Â÷½Ä, ÁßÃß Sounding½Ä, Gamma¼± ¼öÀ§°è

 

¼öÀ§°è ¹Ù·Î°¡±â

 

(3) ¾Ð·Â°è

  • ¾Ð·ÂÀº ¿Âµµ ¹× À¯·®°ú ´õºÒ¾î À¯Ã¼ÀÇ »óŸ¦ ³ªÅ¸³»´Â ÁÖ¿äÇÑ ¿ä¼Ò·Î ÃøÁ¤¹æ¹ýÀº °£´ÜÈ÷ ¾Ð·Â ÀÚü°¡ ÃøÁ¤ÀÇ ´ë»óÀÌ µÇ´Â °æ¿ì »Ó ¾Æ´Ï¶ó. ¿Âµµ, À¯·®, ¾×¸é µîÀÇ ÃøÁ¤¿¡±îÁö ±¤¹üÀ§ÇÏ°Ô ÀÀ¿ëµÈ´Ù.
  • ¾Ð·Â°èÀÇ Á¾·ù
    • ¾×ÁÖ½Ä : UÀÚ°ü½Ä, ´Ü°ü½Ä, °æ»ç½Ä
    • ¿ªÆòÇü½Ä : Bourdon°ü½Ä, Diaphragm½Ä, Bellows½Ä
    • Open Loop½Ä : Á¤Àü¿ë·®½Ä, ¹ÝµµÃ¼½Ä

 

   

(¾Ð·Â°è)

 

(4) ¼öÁúÃøÁ¤°è±â

  • pH°è, Źµµ°è, Àü±âÀüµµµµ°è, ÀÜ·ù ¿°¼Ò°è, ¾ËÄ®¸®µµ°è µîÀÌ ÀÖ´Ù.
    • ¨ç pH°è : pH°ªÀº ¹°ÀÇ »ê¼º·¾ËÄ®¸®¼ºÀ» ³ªÅ¸³»´Â ôµµ·Î ÀÀÁýÈ¿°ú¿Í ¹è°üºÎ½Ä¿¡ ¿µÇâ ¹ÌÄ£´Ù.
    • ¨è Źµµ°è : Źµµ°è´Â ¹°ÀÇ Å¹ÇÑ Á¤µµ¸¦ ±¤ÇÐÀûÀ¸·Î ÃøÁ¤ÇÏ´Â °è±â·Î Á¤¼öÀå¿¡¼­ ¿ø¼ö¿¡ ´ëÇØ ÀÀÁýÁ¦¸¦ ÁÖÀÔÇÏ´Â ºñÀ²À» °áÁ¤ÇÑ´Ù.
    • ¨é Àü±âÀüµµµµ°è : Àü±âÀüµµµµ´Â ¼öÁß¿¡ ³ì¾Æ ÀÖ´Â À̿³óµµÀÇ ÃÑ·®À» ÃøÁ¤ÇÏ¿© ¹°ÀÇ ¿À¿°Á¤µµÀÇ ÁöÇ¥·Î »ï´Â´Ù.
    • ¨ê ÀÜ·ù ¿°¼Ò°è : ÀÜ·ù¿°¼Ò´Â ¼öÁß¿¡ ¿ëÁ¸ÇÏ´Â À¯¸®À¯È¿¿°¼Ò ¹× °áÇÕÇü À¯È¿¿°¼ÒÀÇ ÃÑ·®À» ³ªÅ¸³»´Â °ÍÀ¸·Î ÀÜ·ù¿°¼Ò´Â ¼Òµ¶ÀÇ ÁöÇ¥ÀÌ´Ù.
    • ¨ë ¾ËÄ®¸®µµ°è : ¼öÁß¿¡ Æ÷ÇԵǾî ÀÖ´Â Áßź»êÀÌ¿Â(HC3), ź»êÀÌ¿Â(C3), ¼ö»êÈ­ÀÌ¿Â(H)µîÀÇ ¾ËÄ®¸® ¼ººÐÀ» ź»êÄ®½··®À¸·Î ȯ»êÇÏ¿© 1L¼ÓÀÇ Áú·®À» mg/L(ppm)À¸·Î Ç¥½ÃÇÑ °ÍÀ¸·Î ÀÀÁý ÀÛ¿ë¿¡ ¿µÇâÀ» ³¢Ä¡´Â ÁöÇ¥ÀÌ´Ù.

 

  

(¼öÁúÃøÁ¤°è±â)

 

2) °øÁ¤ Á¦¾î

(1) ¿ø¼ö Ãë¼ö:¼öÀ§, À¯·®, ¼ö¿Â, Źµµ, ¾ËÄ®¸®µµ, Àü±âÀüµµµµ, ¿°¼Ò¿ä±¸·® µî Á¦¾î

  • ¿ø¼öÀÇ ¼öÁú »óŸ¦ ÃøÁ¤ÇÏ°í °¨½ÃÁ¦¾îÀåÄ¡¿¡ Àü¼ÛÇÏ¿© ¾àÇ° ÅõÀÔ·® µîÀ» »êÃâÇÏ°í, Á¤¼öÁö ¼öÀ§ ¶Ç´Â ¼Û¼ö·®À» °èÃøÇÏ¿© Ãë¼öÆßÇÁ Á¦¾î

 

(2) ȥȭ․ÀÀÁý․ħÀü: ¼öÀ§, À¯·®, Źµµ, ÀÜ·ù¿°¼Ò, pH, ¾ËÄ®¸®µµ µî Á¦¾î

  • ¿ø¼ö À¯·® ¹× ¼öÁýµÈ pH ¹× ¾ËÄ®¸®µµ, Źµµ µî ¿ø¼ö ¼öÁú¿¡ µû¶ó ¾àÇ°ÁÖÀÔ·® Á¦¾î ¹×Á¤º¸¸¦°¨½ÃÀåÄ¡·Î Àü¼Û
  • Źµµ¿¡ µû¶ó ÀÀÁýÁ¦·® °áÁ¤, pH ¹× ¾ËÄ®¸®µµ¿¡ µû¶ó ÀÀÁý º¸Á¶Á¦ ÁÖÀÔ·®À» °áÁ¤ Çϸç, ȥȭÀÀÁý°øÁ¤ÀÇ °æ¿ì Ç÷°Çü¼ºÀ» À§ÇÑ ±Þ¼Óȥȭ¿ÍÇ÷° ¼ºÀåÀ» À§ÇÑ ¿Ï¼Ó ±³¹ÝÀ» À§ÇÏ¿© ±³¹Ý±â Á¦¾î °¨½Ã°¡ ÀÌ·ïÁø ´Ù.
    • ÀÀÁýÁ¦·® °áÁ¤Àº ÁÖ±âÀûÀÎ ÀÚÅ×½ºÆ®¿¡ ÀÇÇÑ ¼öÁú ÃøÁ¤ ¹æ¹ý°ú ½Ç½Ã°£À¸·Î ¼öÁúÀ» ÃøÁ¤ ¾àÇ°·®À» Á¦¾îÇÏ´Â ¹æ¹ýÀÌ ÀÖ´Ù.
    • ¾àÇ° ÁÖÀÔÀ» Á¦¾îÇÏ´Â ¹æ¹ý¿¡´Â Á¤·®ÁÖÀÔ Á¦¾î, 󸮼ö ºñ·ÊÁÖÀÔÁ¦¾î, ÇǵåÆ÷¿öµåÁÖÀÔ Á¦¾î, Çǵå¹éÁÖÀÔ Á¦¾î(¼öÁúÀÏÁ¤ Á¦¾î) µîÀÌ ÀÖÀ¸¸ç,¾àÇ°·® Á¦¾î ¼³ºñ¿¡´Â Á¦¾î¹ëºê, Á¤·®ÁÖÀÔÆßÇÁ, ¾àÇ°ÁÖÀԱ⠵îÀÌ ÀÖ´Ù.
  • °í¼ÓÀÀÁýħÀü °øÁ¤ÀÇ °æ¿ì Á¶(Áö) °£ À¯·® ±Õµî ºÐ¹è µÇµµ·Ï À¯·®Á¦¾î°¡ ÀÌ·ïÁ®¾ß ÇÑ´Ù.

 

(3) ¿©°ú°øÁ¤:¿©°úÁö ¼öÀ§, ¿©°úÁö ¼Õ½Ç¼öµÎ, ¿©°úÀ¯·®, Źµµ, ¹ëºê »óÅ µî

  • ¿©°úÁö°£ À¯·®ÀÌ ±Õµî ºÐ¹è µÇµµ·Ï Á¦¾î ¹× °¨½Ã°¡ ÀÌ·ïÁö¸ç, ¿©°ú ¹æ½Ä¿¡ µû¶ó Á¤¼Ó¿©°ú, °¨¼è¿©°ú ±×¸®°í ¿©°ú¼ö·® Á¶Àý¹æ½Ä¿¡ µû¶ó À¯ÀÔ¼ö·® Á¦¾î, À¯Ãâ¼ö·®Á¦¾î°¡ ÀÌ·ïÁö¸ç À¯·® ¹× ¼öÀ§ Á¶Àý ¹ëºê °³µµÁ¶Àý µî¿¡ ÀÇÇÏ¿© ÀÌ·ç¾îÁø´Ù.
  • ¿©°ú °øÁ¤ Áß ¿©°úÁö ¼Õ½Ç¼öµÎ(Â÷¾Ð)À» üũÇÏ¿© ¿ª¼¼Ã´ ÀÌ·ïÁö¸é, ¿ª¼¼Ã´¿¡ µû¸¥ ¹è¼ö, °ø±â¼¼Ã´, ¼ö¼¼Ã´ µî ÇÁ·Î±×·¥¿¡ ÀÇÇÏ¿© ¼øÂ÷ÀûÀ¸·Î ÀÚµ¿Á¦¾î µÇ¾îÁö¸ç Áß¾Ó°¨½Ã½Ã¼³¿¡ »óŸ¦ º¸³»ÁØ´Ù.
  • ¸·¿©°ú ½Ã¼³ÀÇ °øÁ¤±¸¼ºÀº ¾Æ¹«¸® Å« ½Ã¼³ÀÇ °æ¿ìµµ ¹Ýº¹µÇ´Â ´Ü¼ø °øÁ¤ÀÌÁö¸¸ ü°èÀûÀÎ °øÁ¤ °ü¸®°¡ ÇÊ¿äÇÏ´Ù.
    • ¿©°ú°øÁ¤ Áß ¸· ¿À¿°À¸·Î ¿©°úÄÉÀÌÅ©°¡ Çü¼ºµÇ¾î ¾Ð·Â ÇÑ°èÄ¡¿¡ µµ´ÞÇϰųª ¶Ç´Â À¯·® ÇÑ°èÄ¡¿¡ µµ´ÞÇÏ´Â °æ¿ì ¿©°ú°øÁ¤À» ÁßÁö½ÃÅ°°í °ø±â ¹× ¹°·Î ¿ª¼¼Ã´ÀÌ ÀÌ·ïÁø´Ù.
    • ¿ª¼¼Ã´Àº 60ºÐ¸¶´Ù ¾à 30ÃÊ Á¤µµ ÀÌ·ïÁö¸ç, ÀÌó·³ ¹Ýº¹µÇ´Â °øÁ¤Àº ¿Â․¿ÀÇÁ ÇÁ·Î±×·¡¸Óºí ³í¸®Á¦¾î±â¿¡¼­ ÀÚµ¿Á¦¾î µÈ´Ù.

 

(ÇöÀå¿ë ÆdzÚ)

(ÇöÀå¿ë ÆdzÚ)

 

(4) ½½·¯Áö ó¸®: ½½·¯Áö ¼öÀ§, ¹ÝÃâ »óȲ, ¹Ý¼Û·®, ¹Ý¼Û¼ö Źµµ µî

  • ½½·¯Áö ¼öÁý ¹× ¼ö·®À» °í·ÁÇÏ¿© ¹èÃâÁ¦¾î´Â ŸÀ̸ӿ¡ ÀÇÇÑ °£ÇæÁ¦¾î, ó¸®À¯·® ºñ·ÊÁ¦¾î, ³óÃàÁ¶ ½½·¯Áö °è¸é°è¿¡ ÀÇÇÑ Á¦¾î µîÀÌ ÀÖ´Ù.
  • Å»¼ö°øÁ¤¿¡¼­´Â ½½·¯Áö ÇÔ¼öÀ² µîÀ» °¨½ÃÇÏ¿© Å»¼ö±â¸¦ Á¦¾î °¨½Ã ÇÑ´Ù.

 

(5) ¼Ò µ¶: ¼Òµ¶Á¦ ÁÖÀÔ·®, ÃÑÀ¯·®, ÀÜ·ù¿°¼Ò µî

  • À¯·® ¹× ¼Òµ¶ÈÄ ÀÜ·ù ¿°¼Ò·®À» ÃøÁ¤ÇÏ¿© ÅõÀÔ·®À» °áÁ¤Çϸç, ¿ø¼ö ¼öÁú¿¡ µû¶ó UV, 3 µî¿¡ ÀÇÇÏ¿© ¼Òµ¶ÀÌ ÀÌ·ïÁö±âµµ Çϳª, ÃÖÁ¾ÀûÀ¸·Î´Â ÀÜ·ù ¿°¼Ò¸¦ À§ÇÏ¿© ¿°¼Ò¼Òµ¶ÀÌ ÀÌ·ïÁø´Ù.
    • Àü¿°¼Òó¸® : ö, ¸Á°£, ¾Ï¸ð´Ï¾Æ¼º Áú¼Ò, À¯±â¹°À» »êÈ­½ÃÅ°±â À§ÇÑ °ÍÀ¸·Î ¿À¿° Á¤µµ¿¡ µû¶ó ¼Òµ¶Á¦ ÁÖÀÔ·® °áÁ¤
    • ¿ÀÁ¸(3) : »öµµ, ¸ÀÀÇ °³¼±, ¼¼±ÕÀ̳ª ¹ÙÀÌ·¯½º Á¦°Å, ö, ¸Á°£, À¯±â¹° »êÈ­ µî ¸ñÀû

 

(¿°¼ÒÅõÀÔ ±âº» ÇÁ·Î±×·¥)

(¿°¼ÒÅõÀÔ ±âº» ÇÁ·Î±×·¥)

 

(6)Á¤¼öÁö ¹× ¹è¼öÁö: Á¤¼öÁö ¼öÀ§, ÀÜ·ù¿°¼Ò, Źµµ ¹× ¹è¼öÁö ¼öÀ§ µî

  • ¹è¼öÁöÀÇ °æ¿ì´Â ¼öÀ§¿¡ ¿¬µ¿ÇÏ¿© ¹ëºê °³µµÀ²À» Á¶ÀýÇÔÀ¸·Î¼­ ¹° ÅÊÅ© Àú¼ö·®À» Á¦¾î ÇÏ´Ù.

 

(¹è¼öÁö ¼öÀ§Á¦¾î ¹æ½Ä)

(¹è¼öÁö ¼öÀ§Á¦¾î ¹æ½Ä)

 

¡Ø Á¤¼öÁö¿Í ¹è¼öÁö

  • Á¤¼öÁö¶õ Á¤¼öó¸®ÀÇ ÃÖÁ¾´Ü°è, Á¤¼öÀå³» ¼³Ä¡µÇ´Â Á¤¼ö ÅÊÅ©·Î Á¤¼ö󸮰úÁ¤¿¡¼­ ¿©°ú¼ö·® ¹× ¼Û¼ö·®°£ ¾çÀû, ÁúÀû ºÒ±ÕÇü Á¶Àý ¹× ¿ÏÃæ
  • ¹è¼öÁö¶õ Á¤¼öÀåÀÇ Á¤¼ö¸¦ ¼Û¼ö ¹Þ¾Æ ¹è¼ö±¸¿ªÀÇ ¼ö¿ä·®¿¡ µû¶ó ¹è¼öÇϱâ À§ÇÑ ÅÊÅ©·Î ¹è¼ö·®ÀÇ ½Ã°£º¯µ¿À» Á¶Àý ¹× ´Ü¼ö½Ã ¿ÏÃæ

 

(7) °¡¾Ð ¹× ¼Û ¼ö½Ã¼³:ÆßÇÁ ±âµ¿ »óȲ, ¾Ð·Â, À¯·® µî

  • Á¤¼öÁö ¼öÀ§¿¡ µû¶ó ÆßÇÁ¸¦ ±âµ¿/Á¤ÁöÇÏ°í, ¼Û․±Þ․¹è¼ö°üÀÇ ¾Ð·Â ¹× À¯·®¿¡ µû¶ó ¸ðÅÍ ÀιöÅÍ·Î Á¦¾î °¨½Ã ÇÑ´Ù.
    • °¡¾Ð½Ã¼³Àº ¹è¼öÁöº¸´Ù ³ô°Å³ª ¼ö¾ÐÀÌ ³·Àº ±Þ¼ö±¸¿ª¿¡ ÀÏÁ¤¾Ð·ÂÀ» À¯ÁöÇÒ ¼ö ÀÖµµ·Ï ÆßÇÁ½Ã¼³ µîÀ» ¼³Ä¡Çϸç, ÆßÇÁÁ¦¾î´Â ÀιöÅÍ¿Í PLC¸¦ ÀÌ¿ë ¸ðÅÍÀÔ·ÂÀü¿øÀÇ ÁÖÆļö¸¦ Á¶ÀýÇÏ¿© ÆßÇÁ¼Óµµ¸¦ °¡°¨½ÃÄÑ ¾Ð·ÂÀ» Á¶ÀýÇÑ´Ù.

 

¡Ø ÀιöÅÍ Á¦¾î

  • ÀιöÅÍ´Â ÁÖÆļö¸¦ Á¦¾îÇÏ¿© ¸ðÅÍ ¼Óµµ¸¦ Á¦¾îÇÏ´Â ±â±â·Î ÆßÇÁ À¯·® ¹× ¾Ð·ÂÀ» Á¶ÀýÇÏ´Â ±â´ÉÀ» Çϸç VVVF(Variable Vltage Variable Frequency; °¡º¯Àü¾Ð °¡º¯ÁÖÆļö)¶ó°íµµ ĪÇÑ´Ù.
  • VVVF Á¦¾î´Â Àü·ù¸¦ 4~20mmA ·Î Cntrl Çؼ­ ȸÀü¼ö¸¦ Á¦¾îÇÏ´ÂÀü±âÀûÀÎ ¹æ½ÄÀ¸·Î "0"mmA ¸¦¾à 80%¿¡ ¸ÂÃß¾î20% ¹üÀ§³»¾Ö¼­ ¿îÀüÇÏ´Â °ÍÀÌ È¿À²ÀûÀÌ´Ù."0"mmA¸¦ ³Ê¹« ³·°Ô Àâ´Â °æ¿ì À¯·®ÀÌ Ä¿Áö¸é¼­ ¾çÁ¤ÀÌ ³·¾Æ ½ÇÁ¦ÀûÀÎ ±â´ÉÀ» ¸øÇÒ ¼öµµ ÀÖ´Ù.

 

ȸÀü¼Óµµ(N) = 120 * f /P * (1 - s) [rpm]

(f£ºÁÖÆļö(Hz), P£º¸ðÅÍÀÇ ±Ø¼ö , S£º¸ðÅÍÀÇ ¹Ì²ô·¯Áü)

 

(¸ðÅÍÁ¦¾î¿ë ÀιöÅÍ)

 

(8) ºñ»ó °¨½Ã: ÀÚ¿¬ÀçÇØ, Á¤Àü, ±â°è °íÀå, ¼¾¼­°ËÃâÇѵµÃÊ°ú µî ºñ»ó½Ã ¾Ë¶÷, ±ä±Þ Â÷´ÜÇÏ´Â °¨½Ã Á¦¾î

  • Á¤Àü½Ã¸¦ ´ëºñÇÑ ¹ßÀü½Ã¼³, UPS ½Ã¼³, ³«·Ú µî¿¡ µû¸¥ °èÃø±â±â, Åë ½Å½Ã¼³ µî º¸È£, ÀÚ·á ¹é¾÷À» À§ÇÑ ¹é¾÷¿ë Àü¿ø ¹× °¨½ÃÁ¦¾î ½Ã½ºÅÛ µî

 

Water Quality Analyzer   ¢º