Yokogawa ZA8C Zirconia Oxygen Analyzer

Yokogawa EXA O₂ Zirconia Oxygen Analyzer Model ZA8C. Industrial-grade oxygen analyzer designed for continuous monitoring of oxygen concentration in combustion exhausts, process gases, and flue gases. Commonly used in boiler, furnace, and incinerator applications for combustion efficiency and emissions control.
Model: ZA8C
Brand: Yokogawa Electric Corporation
Series: EXA O₂
Type: Zirconia Oxygen Analyzer
Measurement Principle: Zirconia (ZrO₂) electrochemical cell sensor
Measurement Range: 0–25% O₂ (typical, configurable)
Accuracy: ±0.5% of reading or ±0.1% O₂ (whichever is greater)
Response Time: Within 5 seconds (90% response)
Display: Digital LCD with multi-function indicators
Outputs: 4–20 mA DC analog output (isolated), contact outputs for alarms
Power Supply: 100–240 VAC, 50/60 Hz
Ambient Temperature Range: -5°C to +55°C (23°F to 131°F)
Enclosure Rating: NEMA 4X / IP65 weatherproof
Mounting: Wall-mounted, hinged front door with locking latch
Sensor Compatibility: Yokogawa ZR22G or ZR402G zirconia probe
Functions: Auto-calibration, self-diagnostic, temperature compensation, alarm output, and parameter memory
Applications: Steam plant boiler monitoring, flue gas oxygen measurement, combustion control, and process optimization
Certifications: CE marked, CSA approved
Manufactured by: Yokogawa Electric Corporation
Country of Manufacture: Japan Please review pictures carefully and let us know if you have any questions!