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Yokogawa K9404GD-00
Product Introduction: A specialized thermal conductivity detector module for Yokogawa industrial gas chromatographs (GC), designed for the quantitative analysis of inorganic and organic gases in process streams. The TCD technology offers high stability, wide linear range, and non-destructive detection, making it ideal for analyzing binary gas mixtures and trace components in refinery and petrochemical applications.
Technical Specifications:
- Detector Type: Thermal Conductivity Detector (TCD)
Detailed content
- Sensitivity: ≤1 × 10⁻⁶ g/s (helium carrier, methane)
- Linear Range: 10⁶ (dynamic)
- Carrier Gas: Helium, nitrogen, argon (purity ≥ 99.999%)
- Operating Temperature: 50°C to 300°C (detector oven)
- Filament Material: Platinum-rhodium (high temperature stability)
- Power Supply: 100–240 V AC (50/60 Hz), 15 VA max
- Output Signal: 0–1 V DC, 4–20 mA DC (isolated)
- Isolation Voltage: 1000 V AC (1 minute) between output and system
- Dimensions: 140 × 220 × 280 mm (W × H × D)
- Weight: Approx. 4.5 kg
- Certifications: CE, ATEX
Functional Features:
- Non-destructive detection preserves sample integrity for multi-detector GC configurations
- High long-term stability reduces calibration frequency and maintenance costs
- Wide linear range ensures accurate measurement across low to high concentration levels
- Built-in filament protection circuit prevents burnout during carrier gas loss
- Easy filament replacement and calibration via front-panel access
- Seamless integration with Yokogawa GC8000/GC1000 series systems for real-time process analysis
Application Scenarios: Natural gas processing, refinery off-gas analysis, hydrogen purity monitoring, chemical plant gas blending, and power generation flue gas analysis requiring precise TCD-based gas composition measurement.
