Bacharach 2412-1312 PCA 400 w/ O2, CO, NO, NO2, 12 in. Probe with 7.5 ft. Viton
Bacharach PCA400 2412-1312 Portable Combustion and Emissions Analyzer Includes O2, CO, NO, NO2, 12 in. It is perfect for spot-checking and tuning your engines with the high-range CO sensor and available sample conditioner.