E Instruments BTU900-2 Combustion Analyzer
E Instruments BTU900-2 Combustion Analyzer
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E Instrument BTU900-2 Combustion Analyzer does 6 jobs all in one; combustion analyzer(for 02, CO, CO2, excess air, efficiency), carbon monoxoide (CO), leak detector, built in diff. pressure manometer, draft meter, and thermometer.  All BTU900 kits include 02, CO and CO2, effiiciency, daraft, diff. pressure manometer, temps, excess ar, Ii-ion rechargable batteries and AC charger, probe, hoses, water trap with filter, boot and 600 test internal memory, vinyl case and operating instructions.