This is a Automotive Gas Analyzer Machine.
Its in a good working condition
It has been Recently serviced.
CO0 – 10.000% (0.001%)
CO20 – 20.00% (0.01%)
HC1 – 15,000% (1ppm)
O20 – 25.00% (0.01%)
Nox (Optional)0 – 5000 ppm (1 ppm)
Lamda0.500 – 2.000% (0.001)
AFR7.35 – 29.40(0.01)