BTU 900-NOx Up to Seven (7)–Tools–In–One

Combustion, Emissions & Safety Gas Analyzer.
Combustion Efficiency Analyzer for O2, CO, CO2 (Calculates Combustion Efficiency, Excess Air, Losses, CO Air Free) Included, Emissions Measurement (NOx) or Combustion Safety Analyzer for CxHy (HC – Hydrocarbons), Ambient Room Air Carbon Monoxide (CO) Leak Detector Included
Draft Meter (Negative & Positive Draft) Included, Cracked Heat Exchanger Test Included
Built–In Differential Digital Pressure Manometer Included, Built–in Differential Thermometer Included.