The E Instruments BTU1100-HE portable combustion analyzer high-efficiency kit has an incoming Air Smart probe and field-replaceable sensors. It includes a built-in non-thermal printer, manometer, thermometer (ambient and flue gas) and CO leak detector; dual 9-ft. hose and 12-in. probe (gas and draft at the same time); rechargeable battery; and AC charger. It features unbreakable metal connections and a “boiler room” design.

E Instruments International; 215-750-1212;