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Portable Gas 
Chomatographyfor 
VOCs in Air



เครื่องตรวจวัดขนาดปริมาณ
ฝุ่นละอองขนาดเล็ก




Noise Dosimeter
Model 730
Spartan



Vibration Monitoring Terminal




                                                               



Gas Detector Array







Photocatalytic Filters







FROG-5000








Model 831C


HVM200





 





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หน้าแรก > เครื่องมือทางด้านสิ่งแวดล้อม > เครื่องวิเคราะห์ VOCs ในอากาศ (FROG-400)


Portable Gas Chomatography for VOCs in Air



Screening with Meaning
  • Chemical identification in under 10 minutes with quantitative results
  • Highly Portable Only 2.6 lbs. (1.2kg)
  • 12 Hour Battery Life
  • No specialty gases required
  • Easy to program GC temperature
  • Simple calibration process
  • Quantitative results display on screen
  • Chromatograms display real time on computer
  • Easy to use analysis software
  • All test data stored in on board memory
Applications :
  • Environmental Monitoring
  • Industrial Hygiene
  • Indoor Air Quality
  • Vapor Intrusion
  • Process Monitoring
  • Laboratory and Field Analysis
Take the lab to the contamination source
Fast Results - Cleaner Sytems
Analyze  Contaminant in the air

  • Continuous air monitoring
  • EPA Method TO17 Adaptation
  • No external traps or canisters
  • micro thermal desorption trap for sample collection and GC injection
  • Rugged micro GC made in steel
  • GC backflush to speed analysis
  • Backflush to reduce sensor fouling
  • Scrubbed ambient air carrier no compressed gases needed



Air FROG Operation
      • Collect: Sample air flows over the PC trap and through the GC bypass line
      • Analyze: Collected sample is desorbed from PC and injected into GC column
      • Identify: GC separates analytes before they reach the PID for sequential detection
      • Backflush: Flow reverses through the GC as the last analyte of interest is detected
      • Cleaning: Scrubbed air flows over the PID




       

       
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