Model 331 Class 1 Division 2 Online H2S and CO2 Analyzer
This uniquely rugged and simple design by Envent Engineering utilizes a lead acetate based sensor that provides a linear and interference free output.  The Model 331 analyzer measures H2S or total sulfur in natural gas, petrochemical streams, condensate, or LPG.

• Auto 5 times ranging from low to high
  
• 1.5% accuracy, 1% repeatibility
  
• Modbus Serial communications,
  
• Dual Isolated 4-20 Ma outputs
  
• Ranges from 0-50 ppb to 0-50%
  
• 20 second response time
  
• Optional Total Sulfur Measurement
  
• 60-90 day tape life!
  
• Class 1 Division 2 Certified
  
• NO BROKEN TAPES!

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Model 330 Class 1, Division 1 Online H2S and CO2 Analyzer
Designed for Class 1 Division 1 locations, This uniquely rugged and simple design by Envent Engineering utilizes a lead acetate based sensor that provides a linear and interference free output.  The Model 331 analyzer measures H2S or total sulfur in natural gas, petrochemical streams, condensate, or LPG

• Auto 5 times ranging from low to high
  
• 1.5% accuracy, 1% repeatibility
  
• Modbus Serial communications,
  
• Dual Isolated 4-20 Ma outputs
  
• Ranges from 0-50 ppb to 0-50%
  
• 20 second response time
  
• Optional Total Sulfur Measurement
  
• 60-90 day tape life!
  
• Class 1 Division 1 Certified
  
• NO BROKEN TAPES!

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Lead Acetate Sensing Tapes for H2S and Total Sulfur Analyzer

Part#
• 330131 100 foot roll of lead acetate tape (HAI, Delmar, GASI)
  
• 330132 250 foot roll of lead acetate tape (GASI)
  
• 330133 300 foot roll of lead acetate tape (GASI)
  
• 330135 350 foot roll of lead acetate tape (GASI)

Other custom lengths available upon request

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M70 XP Moisture Monitor for Natural Gas, Instrument Air and other gases
This uniquely rugged and simple design by Envent Engineering utilizes a heated conductive polymer sensor that provides a linear output over moisture concentration.

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