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Yokogawa ZR402G‑T‑C‑C
- Product Name: ZR402G Series In‑Situ Zirconia Oxygen Analyzer Complete Unit
- Product Series: ZR400 Series High‑Temperature Flue Gas Oxygen Analyzer
- Technical Specifications: Measurement range: 0‑25 vol% O₂ standard; Probe insertion length: customizable; Operating flue gas temperature: 0‑850 °C; Power supply: 24 VDC; Output signal: 4‑20 mA analog + HART digital communication; Protection class: IP66; T: thermocouple built‑in type; C‑C: standard calibration & cable configuration
Detailed content
- Functional Features: In‑situ high‑temperature flue gas oxygen measurement; Built‑in thermocouple temperature monitoring; Automatic air calibration function; Self‑diagnosis of sensor aging; HART digital remote communication; High‑temperature anti‑corrosion protection
- Performance Parameters: Measurement accuracy: ±0.5% FS; Response time ≤5 s; Long‑term stability: ≤0.2% FS/year; Probe heat‑resistant temperature: up to 1000 °C; Calibration cycle: 6‑12 months standard
- Material Composition: High‑temperature resistant silicon carbide sensor core; 310S stainless steel probe tube; Hastelloy alloy anti‑corrosion components; Alumina ceramic insulation parts; High‑temperature resistant wiring cables
- Structural Characteristics: Probe‑transmitter integrated in‑situ structure; Flange‑type pipeline installation base; Built‑in calibration air pipeline; Front‑panel parameter adjustment interface; Internal thermocouple temperature‑measuring structure
- Working Principle: Inserts zirconia solid electrolyte sensor into high‑temperature flue gas pipeline; Generates oxygen‑partial‑pressure‑proportional potential via Nernst principle; Built‑in thermocouple compensates flue gas temperature; Converts potential signal to standard analog/digital output after circuit processing
- Advantage Highlights: In‑situ direct measurement without sampling system; High‑temperature and anti‑corrosion capability; Built‑in temperature monitoring; Automatic calibration function; Stable long‑term flue gas monitoring performance
- Applicable Industries: Coal‑fired power plants; Waste‑to‑energy incinerators; Cement kiln monitoring; Metallurgical furnace exhaust gas analysis; Petrochemical heating furnace flue gas detection
- Installation Requirements: Flange‑type insertion installation on flue gas pipeline; Probe fully inserted into flue gas mainstream area; Ensure probe cooling air supply (if needed); Vertical or horizontal pipeline mounting compliant with pipeline temperature requirements
- Usage Precautions: Regular automatic calibration execution; Prevent probe surface ash accumulation; Avoid rapid thermal shock of sensor core; Check cooling air and cable connection stability periodically; Replace sensor core when aging is diagnosed
