The Model 20-600 is designed for the quantitative measurement of binary gas mixtures. This rugged, battery operated instrument is ideal for on-site gas measurement. 
Typical Applications
NH3 in Air • H2 in CH4 • Freon in Air • Refrigerant 12 in Air • CO2 in N2 (flue gas) • Natural Gas in Air • Helium in Air • N2 in Argon • O2 in H2 • O2 in Air • Halon 1301 in Air • Argon in Helium • CH4 in Air • CO2 in Helium • ... and many others 
Dual Range Calibration 
Custom Designed to Your Application 
Response time < 30 seconds 
AC or Rechargeable Battery operated 
Sensitivity: can be calibrated for as low as 0.5% CO2 in Air