The FLEX 2 is a versatile GC autosampler designed to handle both sample preparation and sample introduction for GC and GC/MS analysis. Supporting liquid injection, headspace, and SPME, it delivers exceptional accuracy and reproducibility. Its Prep Ahead function improves efficiency by allowing sample preparation during ongoing GC runs, maximizing system utilization and throughput.
EST Analytical: FLEX 2 Robotic Sampling Platform
Key Features
Flexible Sample Preparation with Multi Tool Change (MTX)
- Automated Multi Tool Change (MTX) enables seamless switching between tools
- Enhances laboratory productivity, accuracy, and safety by reducing manual prep errors
- Supports dilution, reagent addition, and internal standard spiking with precision
- Can operate as a benchtop preparation station for derivatization and extraction steps
Liquid Injection Capabilities
- Injection range: 0.5–10 μL (standard syringe) or 50–500 μL (optional large-volume syringe)
- Supports both standard and large-volume injections (up to 500 μL)
- Programmable injection speed control, from ultra-fast to very slow
- Optional cooled trays available for temperature-sensitive samples
Headspace Sampling
- Injection range: 100–2500 μL (2.5 mL syringe), 100–1000 μL (1.0 mL syringe), or 500–5000 μL (5.0 mL syringe)
- Offers both orbital and oscillating agitation to improve sample consistency
- Six heated vial positions for 2, 10, or 20 mL vials
- Temperature range: ambient to 200 °C
- Shaking: orbital (120–750 rpm) or oscillation (190 Hz)
Automated SPME
- Compatible with both traditional and direct immersion SPME methods
- Heated conditioning station:
- Fiber: ambient to 350 °C
- Needle: ambient to 150 °C
- Sweep gas port for conditioning
- Heated mixing station: ambient to 150 °C, mixing speeds 380–725 rpm
Efficiency & Throughput
- Prep Ahead function allows ongoing sample prep during GC runs
- Fully automates switching between liquid injection, headspace, and SPME with MTX
- Reduces manual workload and preparation errors while improving reproducibility
Technical Specifications
- Compatible Systems: GC and GC/MS platforms
- Injection Modes: Liquid (0.5–500 μL), Headspace (100–5000 μL), SPME (traditional & direct immersion)
- Temperature Ranges: Headspace up to 200 °C, SPME fiber up to 350 °C, SPME needle up to 150 °C
- Agitation: Orbital (120–750 rpm) and oscillating (190 Hz)
- Capacity: Six heated vial positions for 2, 10, or 20 mL vials
- Automation: Multi Tool Change (MTX), Prep Ahead function
