Our Detectors: FID, PID, TCD
TCD Detector (Thermo Conductivity Detector)
Thermal conductivity detector subsystem
Technical specifications
- Type
- Thermal conductivity detector (TCD)
- Sensitivity
- Lower than FID; excellent stability
- Typical analytes
- CH₄, CO₂, H₂, O₂ and permanent gases
- Power
- ±15 Vdc
- Output
- Bridge unbalance signal, amplified
Key features
- Wheatstone-bridge thermal conductivity detection
- Very stable and reproducible for permanent gases
- Combined with dedicated columns for CH₄, CO₂ etc.
- Low maintenance, no flame required
- Used in Mod. 529/NR/TCD process analysers
- Available as subsystem for custom GC builds
Typical applications
- Process GC for biogas and combustion gases
- Permanent gas analysis
- Industrial process control
- Custom chromatograph development
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