This document specifies the terms and definitions, structural type, working conditions, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage and quality commitment of wide-range oxygen sensors for automobile exhaust treatment systems. This document applies to wide-area heated oxygen sensors (hereinafter referred to as oxygen sensors) used in automobile exhaust treatment systems for gasoline vehicles.
T/ZZB 2920-2022 history
2022T/ZZB 2920-2022 Wide band oxygen sensor for automotive engine system