YOKOGAWA ZR402G-M-E-E-A/SCT/C3 is a high-performance separate-type zirconia oxygen analyzer converter designed for precise oxygen concentration measurement in industrial combustion processes. It pairs with ZR22G/ZR22S detectors to deliver reliable gas analysis for energy conservation and emission controlYokogawa Electric Corporation.
Product Overview
Brand: YOKOGAWA
Model: ZR402G-M-E-E-A/SCT/C3
Type: Separate-type zirconia oxygen analyzer converter
Condition: New & Original
Origin: Japan
Discontinued Date: November 30, 2021 (replaced by ZR802G series)
Technical Specifications
Measurement Object: Oxygen concentration in combustion exhaust gas & mixed gasYokogawa Electric Corporation
Measurement Principle: Zirconia oxide sensorYokogawa Electric Corporation
Measurement Range: 0.01~100 vol% O₂Yokogawa Electric Corporation
Display: 320×240 dot LCD touchscreen
Output Signal: 4~20mA DC (two points)
Contact Output: Four points (one fail-safe, normally open)
Digital Communication: HART protocol supported
Power Supply: 100~240V AC, 50/60Hz
Power Consumption: Max. 300W, approx. 100W (normal operation)
Operating Temp: -20°C to +55°C
Storage Temp: -30°C to +70°C
Humidity: 0~95% RH (non-condensing)
Dimensions: 22.8×13.63×28 cm
Weight: Approx. 6 kg
Installation: Panel, wall or pipe mounting
Certifications: CE, ATEX, FM, CSA, IECEx
Key Features
Intuitive Touchscreen: 320×240 dot LCD with clear numerical, trend, and diagnostic displays
Fast Response: 90% response within 5 seconds
Flexible Calibration: Auto, semi-auto, and manual calibration modes
Remote Maintenance: HART communication enables remote monitoring and diagnosticsYokogawa Electric Corporation
Durable Construction: Aluminum alloy case with corrosion-resistant coating
Easy Maintenance: Field-replaceable sensor and heater assemblyYokogawa Electric Corporation
Wide Compatibility: Works with ZR22G (general) and ZR22S (explosion-proof) detectorsYokogawa Electric Corporation
Industrial Applications
Power Generation: Boiler combustion control
Oil & Gas: Refinery furnace monitoring
Petrochemical: Process gas analysis
Steel & Metal: Furnace oxygen measurement
Incineration: Waste combustion control
Ceramics & Paper: Industrial kiln monitoring
Food & Textile: Processing furnace optimization
Why Choose YOKOGAWA ZR402G-M-E-E-A/SCT/C3
High Reliability: Long-life zirconia sensor ensures stable performanceYokogawa Electric Corporation
Energy Savings: Optimizes combustion to reduce fuel consumption
Emission Control: Lowers CO₂, SOₓ, NOₓ emissions
Easy Operation: User-friendly interface minimizes training needs
Cost Effective: Reduced maintenance with field-replaceable partsYokogawa Electric Corporation
Industry Proven: Trusted in critical industrial processes worldwide
Ordering & Support
Warranty: 1-year manufacturer warranty
Delivery: 3 weeks
Documents: Full user manual & technical datasheet included
Service: Global technical support available
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