Rosemount Analytical, Zirconium oxide based sensor, 12 feet long. Requires external IFT3000, or Xi Electronics, or OXT DR electronics. Can also be used with competitors’ electronics. Heater is 120 VAC, 60 Hz (but needs to be controlled to maintain a certain temperature [736°C] and also heat up rate controlled to prevent breakage of the internal quartz liner).
Full warranty. Full after the sale support. Ships in the wood frame pictured below and surrounded by a cardboard box.