Kane Quintox 9206 Industrial/Commercial combustion flue gas analyser with O2 CO2 CO NO2 SO2 sensors. Valid calibration certificate until October '25 included along with the user manual. Built in printer and hand held display unit & 10m connection lead, plug and charger unit and two flue gas sample tubes and temperature probes along with the hard carry case. Coming up to only 4 years old ( £4.5K new) and fully working with no issues, calibrated each year when due at the manufacturers and in a good condition, see picture.
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