O2 Long Life (4 Yr) Sensor (0-25%)
CO Dual Range Sensor, NOx Filtered & H2 Compensated (0-8,000 PPM)
SO2 Dual Range Sensor, Low / High (0-5,000 PPM)
NO2 Dual Range Sensor, Low / High (0-1,000 PPM)
No Dual Range Sensor, Low / High (0-5,000 PPM)
CxHy Hydrocarbon Sensor
CO Mid-Range Sensor, NOx Filtered & H2 Compensated (0-20,000 PPM)
CO High-Range Sensor, NOx Filtered & H2 Compensated (0-100,000 PPM)