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Model 42CY NOy Analyzer
 
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  Model 42CY NOy Analyzer


For atmospheric research and urban air quality monitoring

This product is no longer offered.

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Utilizing traditional chemiluminescence techniques, the Model 42CY measures NOy for such applications as atmospheric research and urban air quality monitoring.  Like Thermo's complete line of air quality instrumentation, the Model 42CY is reliable, accurate, and is backed by over 30 years experience.

The Model 42CY is based on Thermo's Model 42C NO-NO2-NOx Trace Level Analyzer.  The major difference is utilization of an external stainless steel molybdenum converter which minimizes sample transport distances thereby allowing the Model 42CY to measure more NO compounds that would otherwise not be measured by using an internal converter.

Monitoring Applications

  • Acid rain deposition / transport studies
  • Stratospheric ozone depletion
  • Understanding of tropopheric chemistry reaction pathways
  • Validation of photochemical (smog) predictions
  • U.S. EPA enhanced O3 network monitoring program requires NO, NO2, NOx measurement (40 CFR, Part 58, Subpart B)
  • NCORE Level 2 monitoring program
 
Related Products
 Product# Product Name Image  
  42CHL   Model 42C High Level Analyzer - See Model 42i HL
  Select  
  42CLS   Model 42C Low Source - See Model 42i LS
  Select  
  42C   Model 42C NO-NO2-NOX Analyzer - See Model 42i
  Select  
  42CTL   Model 42C Trace Level NO-NO2-NOX Analyzer
  Select  
 
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Specifications:
Preset Ranges :0-5, 10, 20, 50, 100 and 200 ppb; 0-10, 20, 50, 100, 200 and 500µg/m³
Custom Ranges :0-5 to 200 ppb; 0-10 to 500 µg/m³
Linearity :+/- 1% of full scale
Zero Noise :25 ppt RMS (120 second average time)
Lower Detectable Limit :50 ppt RMS (120 second average time)
Zero Drift (24 hour) :Negligible
Span Drift (24 hour) :+/- 1% of full scale
Response Time (0-95%) :60 seconds (10 second average time); 90 seconds (60 second average time); 300 seconds (300 second average time)
Sample Flow Rate :1 LPM
Interferences :Propylene rejection ratio . 20,000:1 Ethylene rejection ratio . 40,000:1
Operating Temperature :15°C - 35°C
Power Requirements :90-110 VAC @ 50/60 Hz; 105-125 VAC @ 50/60 Hz; 210-250 VAC @ 50/60 Hz; 400 Watts
Size and Weight :16.75" (W) x 8.62" (H) x 23" (D); 60 lbs.
Outputs :NO, NO2, and NOx, selectable voltage 4-20 mA, RS-232, RS-485