The ChromaTCD is an automated gas chromatography system integrated with a Thermal Conductivity Detector (TCD). It is specifically designed for the analysis of permanent gases and/or hydrocarbons. It is ideal for high-precision applications requiring continuous monitoring and automated data processing in industrial and laboratory settings.
Operating Principle
- Automated Sample Injection: The sample is injected into the system through an automated loop, ensuring high precision and repeatability.
- Gas Separation: Permanent gases and light hydrocarbons are separated using a metal analytical column (packed or capillary) within a stable thermal chamber.
- Detection via TCD: The TCD detects changes in thermal conductivity between the carrier gas (Helium or Hydrogen) and the sample gases exiting the column, producing accurate signals.
- Data Analysis: Results are collected and processed using Vistachrom software, providing detailed reports on retention times, concentrations, and chromatograms.
Key Features
- Non-destructive TCD Detector: High sensitivity with detection levels from ppm to %, unaffected by matrix interference.
- Continuous Operation: The system operates 24/7 automatically after initial setup.
- Automatic Calibration: Integrated calibration valves and data validation system.
- High Stability: Retention time drift of less than 0.6% over 48 hours.
- Low Maintenance: Minimal gas consumption, long detector lifespan, reducing maintenance requirements.
- Smart System: Features customizable alarms and over 10 years of data storage capability.
Optional Add-ons
- Carrier gas filters (for UHP analysis).
- Hydrogen and Nitrogen generators.
- Flow selectors (supporting up to 16 channels).
- Automatic sample suction pumps.
- Wall-mounted cooling or heating systems.
- Explosion-proof versions (ATEX/IECEx Zone 1, 2).
Vistachrom® Software
- Fully integrated remote monitoring and control.
- Storage and management of chromatograms and reports.
- Supports alarm threshold settings and automatic notifications.
- Data export through various protocols (MODBUS, RTU, TCP/IP).
Practical Applications
- Oil & Petrochemical Industry: Quality control of gases and impurity detection in production processes.
- Environmental Monitoring: Measuring emissions and assessing odor impact.
- Industrial Production: Monitoring gases in production and wastewater treatment processes.
- Cleanrooms: Ensuring environments are free from harmful contaminants.
Model Selection
- ChromaTCD 4U: For analyzing permanent gases and light hydrocarbons.
- ChromaTCD 5U: Integrated computer version with auto-calibration capabilities.
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