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Yokogawa ZR22G‑100‑S‑E‑T‑T‑E‑A

  • Product Series: ZR Series In‑situ Zirconia Oxygen Analyzer
  • Technical Specifications: Measuring principle: zirconia solid electrolyte oxygen concentration measurement; insertion length: 100 mm; suffix code definitions: S=standard grade, E=electrical connection type, T=process temperature rating, T=pressure rating, E=seal type, A=application‑specific variant; measuring range: 0–25% O₂

Detailed content

  • Functional Features: In‑situ continuous measurement of flue‑gas oxygen content; provides oxygen signal for combustion optimization; built‑in temperature sensing for compensation; compatible with ZR series transmitter units
  • Performance Parameters: Operating temperature range: 300 °C to 850 °C; measurement accuracy: ±0.5% O₂; response time: <10 seconds; service life optimized for high‑temperature flue‑gas environments
  • Material Composition: Zirconia electrolyte element: stabilized zirconia ceramic; protective tube: heat‑resistant silicon carbide/alumina ceramic; housing: heat‑resistant stainless steel; seal: high‑temperature‑resistant fiber material
  • Structural Characteristics: Probe‑type insertion structure; heat‑resistant protective sleeve; integrated reference air channel; high‑temperature‑resistant sealed assembly
  • Working Principle: Zirconia solid electrolyte generates electromotive force proportional to oxygen partial pressure difference between measured gas and reference air; electromotive force converted to oxygen concentration signal by transmitter
  • Advantages & Highlights: In‑situ direct measurement without sampling system; high‑temperature resistance; fast response speed; low maintenance requirement; improves combustion efficiency and reduces emissions
  • Applicable Industries: Thermal power plants, steel mills, cement kilns, waste incineration plants, petrochemical furnaces, glass manufacturing furnaces
  • Installation Requirements: Insert into flue/gas duct via process flange; ensure probe fully exposed to measured gas flow; maintain proper reference air supply
  • Usage Precautions: Prevent dust accumulation on sensor surface; avoid thermal shock from rapid temperature changes; regular calibration with standard gas mixtures

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