| 摘要 |
A staged electrode carrier of an O<SUB>2 </SUB>Sensor comprises a sensor; a detecting end carrier installed in the sensor; the detecting end carrier having a positive lead, a negative lead and a channel communicated to atmosphere; one end of the positive lead of the detecting end carrier having a positive interface exposing in the channel so as to contact the atmosphere and one end of the detecting end carrier having a negative interface exposing from an outer wall of the detecting end carrier to contact gas to be measured; and a transferring end carrier installed in the sensor having a positive lead and a negative lead. A detecting end carrier is made of zirconium oxide, and a transferring end carrier is made of Al<SUB>2</SUB>O<SUB>3</SUB>, CaO or MgO. The two carriers are being with positive leads and negative leads for detecting oxygen density of the gas to be measured.
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