BTU4500 (2 Gas Model-Upgradeable) w/ All Above:
O2, CO, CO2 Included
Upgradeable to Add NO/NOx
Upgradeable to Add NO2, SO2 or CxHy (4-Gas Analyzer)
BUILT-IN, NON-THERMAL Printer + Paper Rolls
Software Included (save & email reports) (SW KIT)
High Range CO Sensor (0-50,000 ppm) Auto Dilution








