DLAB RE5000-E LCD Digital Rotary Evaporator

Overview

The DLAB RE5000-E LCD Digital Rotary Evaporator is an industrial-grade, large-capacity purification system engineered for high-efficiency solvent removal, concentration, and recovery in research laboratories, pilot-scale process development, and quality control environments. It operates on the principle of reduced-pressure distillation: rotation of the sample flask generates a thin, uniform film over the inner surface, significantly increasing the evaporation surface area; simultaneous application of controlled heat (via water or optional oil bath) and regulated vacuum lowers the boiling point of solvents—enabling gentle, selective, and rapid separation without thermal degradation. With a 50 L evaporating flask capacity and a maximum ethanol evaporation rate of 11 L/h, the RE5000-E bridges the gap between benchtop and production-scale rotary evaporation—delivering reproducible performance under GLP-compliant workflows.

Key Features

• LCD touchscreen interface displaying real-time values for bath temperature, rotational speed, direction (forward/reverse), countdown timer (0–999 min), and steam temperature (via integrated digital vapor sensor)
• PID-based microprocessor temperature control with ±1 °C accuracy across both water bath (20–100 °C) and optional oil bath (20–180 °C) modes
• Motor-driven vertical lift mechanism (250 mm stroke) with smooth, low-noise, stepless positioning—designed to maintain vacuum integrity during elevation
• Dual-direction rotation (forward/reverse) optimized for suspensions, slurries, and solid-containing samples—minimizing bumping and improving film stability
• Double-layer high-efficiency condenser with enlarged cooling surface area and anti-backflow geometry to maximize condensate recovery and prevent solvent reflux
• PTFE-sealed joints and Teflon-coated bath interior ensure chemical resistance, thermal stability, and ease of cleaning—reducing cross-contamination risk between batches
• Integrated safety architecture: dry-run protection, overtemperature cutoff, lift overload detection, leakage current interruption, and motor overcurrent limiting—all compliant with IEC 61010-1 requirements
• Thermal insulation design maintains external housing surface temperature below 45 °C during continuous operation, mitigating operator burn hazard

Sample Compatibility & Compliance

The RE5000-E accommodates a broad spectrum of organic and aqueous solutions—including polar solvents (e.g., methanol, acetone, ethyl acetate), high-boiling-point media (e.g., DMF, DMSO with oil bath), and heat-sensitive extracts (e.g., natural product isolates, polymer solutions). Its PTFE sealing system and inert Teflon bath lining resist corrosion from aggressive reagents (e.g., concentrated acids, halogenated solvents), supporting long-term reliability in multi-solvent environments. The unit meets CE marking requirements and conforms to ISO/IEC 17025-relevant environmental operating conditions (5–40 °C, ≤80% RH). While not intrinsically rated for hazardous area use, its electrical design complies with EN 61000-6-3 (EMC emission) and EN 61000-6-2 (immunity) standards. Optional vacuum controller integration enables programmable pressure ramping—supporting USP and ASTM E2910-18 protocols for controlled distillation endpoints.

Software & Data Management

The RE5000-E operates as a standalone instrument with embedded firmware—no external PC required for routine operation. All parameter settings (temperature setpoint, rotation speed, timer, direction) are stored in non-volatile memory and retain configuration after power cycling. The LCD interface logs operational timestamps and active parameters, providing traceable setup records suitable for internal audit trails. When paired with DLAB’s optional vacuum controller (VC-2000 series), users gain access to pressure-profile programming, endpoint detection via pressure stabilization, and CSV-exportable log files—facilitating alignment with FDA 21 CFR Part 11 requirements when deployed within validated GMP environments. Audit trail functionality (user ID, timestamp, parameter change) is available via controller firmware version 2.4+.

Applications

• Concentration of natural product extracts (e.g., botanicals, marine biomass) under mild thermal conditions
• Removal of reaction solvents (THF, toluene, dichloromethane) following synthetic chemistry workflows
• Recovery and recycling of high-value solvents in pharmaceutical intermediate manufacturing
• Preparative-scale purification of polymers, dendrimers, and nanoparticle dispersions
• Lyophilization feedstock preparation—generating concentrated solutions prior to freeze-drying
• Environmental analysis sample prep: EPA Method 3510C (separation of extractable petroleum hydrocarbons)

FAQ

What is the maximum recommended flask size for the RE5000-E?
The system is calibrated and mechanically optimized for a standard 50 L round-bottom flask—larger vessels may compromise rotational balance, seal integrity, and vacuum stability.
Can the RE5000-E operate unattended overnight?
Yes—provided the timer function is engaged, dry-run protection is enabled, and ambient conditions remain within specification (5–40 °C, ≤80% RH); however, continuous supervision is advised for high-boiling or low-volatility solvents.
Is the oil bath module included or optional?
The oil bath heating block is an optional accessory (part no. RE-OIL-KIT); the base configuration includes only the Teflon-coated water bath.
Does the RE5000-E support remote monitoring or Ethernet connectivity?
No native Ethernet or Wi-Fi interface is provided; communication is limited to local LCD interaction and analog/voltage signals to optional vacuum controllers.
How often should the PTFE seals be replaced under routine use?
Under normal operation (≤8 h/day, non-aggressive solvents), PTFE gaskets exhibit service life exceeding 12 months; visual inspection for cracking or compression set is recommended every 3 months.