Dissolved oxygen (DO) probe
Thermo Scientific - Water Analysis

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  Portable colorimeter
  420 - 610 nm, IP 67 | Orion AQUAfast AQ4000
  
• 

  Portable transmission colorimeter
  Orion AQUAfast II
  
• 

  Portable colorimeter
  430 - 660 nm | Orion* AQ3700 AQUAfast*
  

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  On-line oxygen (O2) analyzer
  Orion 2118XP
  

• 

  Combined liquid chromatography and mass spectrometry system (LC/MS)
  EQuan MAX
  

Liquid analyzers

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  Silica analyzer for ultra-pure water
  0 - 5000 ppb | Orion 2230 Ionplus
  
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  Sodium analyzer
  Orion 2111LL
  
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  Dissolved ammonia (NH3) analyzer
  Orion 2110XP
  
• 

  Continuous on-line fluoride (F-) analyzer
  Orion 2109XP
  
• 

  Multi-parameter liquid analyzer: pH, conductivity, ORP
  Orion 2100 series
  
• 

  Silica analyzer for ultra-pure water
  Orion 2030
  
• 

  Optical dissolved oxygen (DO) measurement probe
  Orion AUTO-STIR
  
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  Portable chlorine analyzer
  AQ3070 AQUAfast