TAITEC VC-15S Vacuum Centrifugal Concentrator with Cold Trap
| Brand | TAITEC |
|---|---|
| Origin | Japan |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Imported |
| Model | VC-15S |
| Instrument Type | Vacuum Centrifugal Concentrator |
| Temperature Range | +55 °C |
| Temperature Control Accuracy | ±0.1 °C |
| Sample Capacity | 100 mL |
Overview
The TAITEC VC-15S Vacuum Centrifugal Concentrator with integrated cold trap is an engineered solution for gentle, efficient solvent removal from heat-sensitive biological and chemical samples under reduced pressure. It operates on the principle of simultaneous centrifugal force, vacuum-induced evaporation, and low-temperature condensation—enabling rapid concentration without thermal degradation. Unlike conventional heating-based evaporators, the VC-15S maintains sample integrity by limiting ambient temperature exposure while actively capturing volatile solvents (e.g., ethanol, acetone, chloroform) in its Peltier-cooled cold trap (typically operating at –30 °C to –40 °C). Designed for routine use in molecular biology, proteomics, metabolomics, and pharmaceutical QC laboratories, this system supports reproducible processing of nucleic acids, proteins, peptides, and small-molecule standards where yield, activity retention, and batch-to-batch consistency are critical.
Key Features
- Integrated Peltier-cooled cold trap with automatic defrost cycle and real-time temperature monitoring
- Precision PID-controlled heating block with ±0.1 °C stability across the full +55 °C operating range
- Brushless DC motor delivering consistent rotational speed (up to 1,800 rpm typical for standard rotors) with minimal vibration and noise
- Hermetically sealed vacuum chamber compatible with oil-free diaphragm vacuum pumps (recommended ultimate vacuum ≤5 Pa)
- Intuitive membrane keypad interface with programmable protocols: time, temperature, vacuum ramping, and rotor braking profiles
- Stainless-steel chamber interior and corrosion-resistant rotor carriers suitable for aqueous, organic, and acidic solvent systems
- Over-temperature and over-pressure safety interlocks compliant with IEC 61010-1 requirements
Sample Compatibility & Compliance
The VC-15S accommodates up to 100 mL total sample volume per run using standard 1.5–2.0 mL microcentrifuge tubes, PCR strips, or 15 mL conical tubes (with appropriate rotor configuration). It is validated for use with common volatile solvents including ethanol, methanol, acetonitrile, ethyl acetate, and dichloromethane. The system meets essential safety and performance criteria outlined in ISO/IEC 17025 for laboratory equipment qualification and supports GLP-compliant documentation when paired with audit-trail-enabled software (see Software & Data Management). While not inherently FDA 21 CFR Part 11–compliant as a standalone instrument, its operational parameters can be recorded and archived in validated LIMS or ELN environments to satisfy regulatory traceability requirements in GMP-regulated settings.
Software & Data Management
The VC-15S operates via embedded firmware with no external PC dependency; however, optional RS-232 or USB serial output enables integration with third-party data acquisition systems. Time-stamped log files—including setpoint values, actual chamber temperature, vacuum level (via optional sensor), and runtime—can be exported for review. For laboratories requiring electronic records with user authentication and change tracking, TAITEC recommends pairing the VC-15S with certified laboratory informatics platforms that support instrument interfacing per ASTM E2500 and USP guidelines. Firmware updates are distributed through authorized service channels and include version-controlled release notes aligned with ICH Q9 risk management principles.
Applications
- Concentration and desalting of DNA/RNA eluates post-column purification or enzymatic reactions
- Removal of residual solvents from synthetic intermediates prior to NMR or MS analysis
- Preparative drying of lyophilized protein fractions without collapse or aggregation
- Routine cleanup of HPLC fractions containing volatile mobile phase components
- High-throughput sample preparation in clinical research labs handling plasma, serum, or CSF matrices
- Stabilization of labile metabolites (e.g., ATP, NADH, glutathione) during extraction workflows
FAQ
What vacuum pump specifications are recommended for optimal performance?
A dry, oil-free diaphragm pump capable of achieving ≤5 Pa base pressure and sustaining ≥20 L/min flow rate at operating vacuum is advised. Pump selection must account for solvent compatibility—e.g., fluoropolymer-coated valves for chlorinated solvents.
Can the VC-15S be used for lyophilization (freeze-drying)?
No. This system performs vacuum centrifugal concentration only—it lacks shelf cooling, primary drying control, or condenser capacity required for true freeze-drying. Samples must remain above their freezing point throughout operation.
Is rotor balancing required before each run?
Yes. As with all centrifugal systems, symmetrical mass distribution across the rotor is mandatory to prevent mechanical stress, vibration, or premature bearing wear. TAITEC provides balance-check instructions in the operator manual.
How often should the cold trap be serviced?
The Peltier module requires no routine maintenance, but the cold trap surface should be wiped clean after each solvent-intensive run. Annual calibration of temperature sensors and verification of vacuum seal integrity are recommended per TAITEC’s preventive maintenance schedule.
Does the VC-15S support external temperature probes for sample monitoring?
No. Chamber temperature is measured at the heating block interface; direct sample temperature cannot be monitored in real time. Users working with highly viscous or low-thermal-conductivity matrices should validate endpoint concentration empirically via gravimetric or spectroscopic means.
