LabTech EV400 Intelligent Rotary Evaporator
| Brand | LabTech |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | EV400 |
| Capacity | Contact manufacturer |
| Ultimate Vacuum | Contact manufacturer |
| Rotational Speed Range | Contact manufacturer |
| Bath Temperature Range | Contact manufacturer |
| Temperature Control Accuracy | Contact manufacturer |
| Condenser Cooling Surface Area | Contact manufacturer |
Overview
The LabTech EV400 Intelligent Rotary Evaporator is an engineered solution for precise, reproducible solvent removal and sample concentration under reduced pressure. Designed around the fundamental principles of rotary evaporation—namely, simultaneous rotation, controlled heating, vacuum-assisted boiling point depression, and efficient condensation—the EV400 integrates electromechanical automation with thermal safety architecture to support routine and method-critical workflows in synthetic chemistry, natural product isolation, pharmaceutical development, and analytical sample preparation. Its core operational sequence relies on uniform film formation via rotation, heat transfer through a thermostatically regulated water or oil bath, vapor phase transport under vacuum, and rapid phase reversion within a dual-surface condenser. The system is built to operate continuously within standard laboratory environments (20–25 °C, 30–70% RH) and conforms to IEC 61010-1:2010 safety requirements for electrical equipment used in laboratory settings.
Key Features
- Motor-driven vertical lift mechanism with automatic endpoint detection—ensures repeatable positioning of the evaporation flask during setup, operation, and shutdown
- Digital LCD interface displaying real-time rotational speed (rpm) and bath temperature (°C), enabling traceable parameter monitoring
- Integrated dry-run protection: automatic power cutoff upon detection of insufficient bath fluid volume or abnormal thermal rise
- Overtemperature alarm system: audible buzzer activation when bath temperature exceeds user-defined safety thresholds
- Through-shaft evaporating tube design—eliminates threaded joints and internal crevices, facilitating complete disassembly, cleaning, and validation compliance
- Dual-stage condenser assembly with optimized surface geometry and coolant flow path—minimizes backstreaming risk and enhances condensate recovery efficiency
- Vacuum-interrupt triggered flask elevation: upon vacuum loss or emergency stop, the motor lifts the flask out of the heating bath to prevent thermal degradation
Sample Compatibility & Compliance
The EV400 accommodates standard ground-glass jointed glassware (e.g., 24/29, 29/32, 34/45 taper interfaces) and supports round-bottom flasks ranging from 50 mL to 4 L (subject to mechanical stability and vacuum integrity). It is compatible with common organic solvents (e.g., acetone, dichloromethane, ethyl acetate, methanol, toluene) and aqueous mixtures, provided operating conditions remain within the thermal and chemical resistance limits of borosilicate glass (e.g., Pyrex®-grade) and PTFE-sealed components. The system meets CE marking requirements per Directive 2014/30/EU (EMC) and 2014/35/EU (LVD), and its control firmware supports audit-ready operation in GLP-compliant laboratories when paired with external data logging systems.
Software & Data Management
While the EV400 operates as a standalone instrument with local digital controls, its analog and digital signal outputs (0–10 V, 4–20 mA, RS-232) enable integration into centralized laboratory automation platforms. Users may record operational parameters—including time-stamped rotation speed, bath setpoint, actual temperature, and vacuum status—via third-party SCADA or LIMS software. Though not natively compliant with FDA 21 CFR Part 11, the system supports manual SOP execution and handwritten or electronic logbook entries aligned with ISO/IEC 17025 documentation practices. Firmware updates are performed locally via USB interface, with version history retained in device memory.
Applications
- Routine concentration of reaction mixtures post-synthesis
- Removal of low-boiling solvents prior to NMR or MS analysis
- Gradient solvent exchange in polymer fractionation protocols
- Gentle drying of thermolabile natural extracts (e.g., essential oils, alkaloid fractions)
- Preparative-scale solvent recycling in teaching and research laboratories
- Multi-step purification workflows involving sequential evaporation and redissolution
FAQ
What glassware joint sizes are supported by the EV400?
Standard taper joints include 24/29, 29/32, and 34/45; custom adapters are available upon request.
Is the bath temperature sensor calibrated traceably to NIST standards?
The integrated Pt100 sensor is factory-calibrated; users may perform field verification using certified reference thermometers per ASTM E77.
Can the EV400 be operated under inert atmosphere (e.g., nitrogen purge)?
Yes—when connected to a vacuum/nitrogen manifold with appropriate pressure regulation and gas flow control.
Does the system support programmable ramp-and-hold temperature profiles?
No—temperature is manually set and maintained at a fixed setpoint; advanced profiling requires external PID controllers.
What maintenance intervals are recommended for long-term reliability?
Inspect seals and condenser tubing every 200 operating hours; lubricate lift mechanism gears annually; verify vacuum gauge line integrity quarterly.
