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หน้าแรก > เครื่องมือทางด้านสิ่งแวดล้อม > เครื่องวิเคราะห์ VOCs ในอากาศ (FROG-400)
 | Portable Gas Chomatography for VOCs in Air
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| 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
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| Applications : | - Environmental Monitoring
- Industrial Hygiene
- Indoor Air Quality
- Vapor Intrusion
- Process Monitoring
- Laboratory and Field Analysis
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 | 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
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| | 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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