Yokogawa ZR22G-040-S-E-C-R-M-E-A Oxygen Analyzer

Yokogawa ZR22G-040-S-E-C-R-M-E-A

Zirconia Oxygen Analyzer (Detector, Separate Type)

Overview

Model Code Breakdown (ZR22G‑040‑S‑E‑C‑R‑M‑E‑A)

• 040: Insertion length = 0.4 m
• S: Wetted material = Stainless steel (SUS316)
• E: Flange = DIN PN10 DN50, SUS304
• C: Reference gas = Natural convection (air)
• R: Remote type (cable connection to converter)
• M: With heater (integrated probe heater)
• E: Explosion‑proof (Ex d IIC T4)
• A: Standard accessories (gasket, bolts, etc.)

Specifications

• Measurement Principle: Zirconia solid electrolyte (high‑temperature)Yokogawa Electric Corporation
• O₂ Range: 0.01–100 vol% (user‑configurable)web-material3.yokogawa.com
• Accuracy:
  • ±3% F.S. (0–25 to <50 vol% O₂)Yokogawa Electric Corporation
  • ±5% F.S. (50–100 vol% O₂)Yokogawa Electric Corporation
• Response Time: ≤5 s (90% response)Yokogawa Electric Corporation
• Drift: ±2% F.S./month (zero & span)Yokogawa Electric Corporation
• Sample Temp: 0–700°C (direct insertion)web-material3.yokogawa.com
• Output (System): 4–20 mA DC, HART 7, Modbus RTU/TCPYokogawa Electric Corporation
• Power: 100–240 VAC (via ZR802G)Yokogawa Electric Corporation
• Protection: IP65 (detector), Ex d IIC T4 (explosion‑proof)web-material3.yokogawa.com
• Dimensions: Probe Ø40 mm × 400 mm (insertion)
• Weight: ~2.5 kg

Key Features

• No Sampling System: Direct insertion into flue gas; no sample conditioning neededweb-material3.yokogawa.com
• Fast Response: 90% response within 5 seconds for tight combustion controlYokogawa Electric Corporation
• High Stability: Low drift (±2% F.S./month) reduces calibration frequencyYokogawa Electric Corporation
• Explosion‑Proof: Suitable for hazardous areas (Ex d IIC T4)web-material3.yokogawa.com
• Digital Communications: HART/Modbus for remote monitoring & diagnosticsYokogawa Electric Corporation
• Long Life: Rugged zirconia sensor; on‑site heater replacement minimizes downtimeYokogawa Electric Corporation

Applications

• Power Plants: Boiler flue gas O₂ monitoring (efficiency & emissions)Yokogawa Electric Corporation
• Petrochemicals: Furnace/incinerator combustion controlYokogawa Electric Corporation
• Boilers & HRSGs: Optimize air/fuel ratio, reduce CO₂/NOₓYokogawa Electric Corporation
• Process Industries: Steel, ceramics, food (high‑temp O₂ measurement)Yokogawa Electric Corporation