High‑Throughput Thermal Desorption
The 7550S accommodates up to 72 TD tubes, supporting both 1/4" × 3.5" and 6 mm × 4.5" formats. This makes it ideal for laboratories processing large sample loads or requiring continuous unattended operation.
Integrated Concentrator & Low‑Mass Trap
A built‑in concentrator paired with a low‑thermal‑mass Vocarb trap ensures efficient analyte focusing, improved sensitivity, and rapid desorption cycles.
Fast Heating Rates for Efficient Analysis
With tube heating rates up to 1000°C/min and trap heating up to 900°C/min, the 7550S minimizes cycle times while maintaining excellent reproducibility.
Flexible Temperature Control
The system supports:
- Pre‑desorb pre‑heat (standard)
- Optional Peltier cooling to –20°C
- Valve oven temperatures up to 300°C
- Transfer line temperatures up to 350°C
- Sample and focus desorb temperatures up to 400°C
This flexibility allows the 7550S to handle a wide range of VOCs, SVOCs, and thermally sensitive compounds.
Seamless GC/MS Integration
A heated transfer line ensures stable analyte transfer and minimizes condensation, enabling reliable integration with major GC/MS platforms.
Technical Specifications
- TD Tube Positions: 72
- Tube Supported: 1/4" × 3.5" or 6 mm × 4.5"
- Concentrator: Built‑in
- Focus Trap: Low thermal mass Vocarb
- Pre‑Desorb Pre‑Heat: Yes, standard
- Peltier Cooling: Optional, down to –20°C
- Tube Heating Rate: 1000°C/min
- Trap Heating Rate: 900°C/min
- Valve Oven Temperature: Up to 300°C
- Transfer Line Temperature: Up to 350°C
- Sample Desorb Temperature: Up to 400°C
- Focus Desorb Temperature: Up to 400°C
- GC Connection: Heated transfer line
- Internal Standard: Yes, optional
- Sample Saver: No
- Weight: 23 kg
- Dimensions (W × H × D): 56.9 cm × 48.2 cm × 62.2 cm
Available Options & Modules
- Internal standard module (optional)
- Peltier cooling module (–20°C)
- Additional TD tube accessories
- Heated transfer line configurations
- Compatible with standard 1/4" and 6 mm TD tubes
Key Applications
- VOC and SVOC analysis
- Environmental air monitoring
- Industrial hygiene and workplace exposure testing
- Material emissions and off‑gassing studies
- Forensic VOC profiling
- Product quality and contamination screening
- Indoor air quality (IAQ) investigations
