DRETOP UR5-90LEV-II Digital High-Temperature Vacuum Drying Oven
| Brand | DRETOP |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Model | UR5-90LEV-II |
| Temperature Range | RT+10–500°C |
| Temperature Uniformity | ±1°C |
| Temperature Fluctuation | ±1°C |
| Temperature Resolution | 0.1°C |
| Vacuum Degree | ≤133 Pa |
| Inner Chamber Dimensions | 450 × 450 × 450 mm |
| Inner Chamber Material | Stainless Steel (SUS304) |
| Heating Method | External Heating |
| Working Environment Temperature | 5–45°C |
| Power Supply | AC 380 V, 50 Hz |
| Rated Power | 4870 W |
Overview
The DRETOP UR5-90LEV-II Digital High-Temperature Vacuum Drying Oven is a precision-engineered thermal processing system designed for controlled dehydration, thermal stabilization, degassing, and inert-atmosphere annealing under deep vacuum conditions. Operating on the principle of vapor pressure depression—where reduced ambient pressure lowers the boiling point of volatile components—the oven enables rapid, low-thermal-stress drying of heat-sensitive, oxidation-prone, or moisture-retentive materials. Unlike forced-air ovens, this unit maintains a sealed, fanless vacuum environment (≤133 Pa), eliminating convective disturbance and preventing particle dispersion, oxidation, or surface degradation during heating. Its extended temperature range—from ambient +10°C up to 500°C—supports advanced applications in semiconductor packaging, lithium-ion battery electrode conditioning, aerospace composite curing, ceramic sintering pre-treatment, and high-purity material synthesis where strict thermal and atmospheric control is mandatory.
Key Features
- Robust dual-layer stainless steel inner chamber (SUS304) with argon arc welded seams and reinforced door sealing, ensuring long-term vacuum integrity and resistance to thermal cycling fatigue.
- Integrated water-cooled jacket and high-temperature silicone door gasket (rated to 500°C), actively suppressing gasket thermal aging and maintaining stable vacuum performance across extended dwell cycles.
- II-type intelligent controller featuring a full-color 7-inch TFT touchscreen interface, displaying real-time vacuum level (digital readout), chamber temperature, setpoint, timer, and alarm status simultaneously in tri-color coding for intuitive operational awareness.
- Microprocessor-based PID temperature regulation with deviation alarm, over-temperature cut-off, and programmable ramp-soak profiles; supports up to 99 segments with independent vacuum hold and inert gas purge timing per segment.
- Modular vacuum protection architecture: B-type integrated condenser (for low-moisture loads) or E-type front-end 3 L cold trap (for high-humidity samples), both thermally decoupling hot chamber effluent from the vacuum pump to extend pump service life and maintain ultimate vacuum stability.
- Double-glazed, tempered observation window with anti-fog coating enables unobstructed visual monitoring without compromising thermal or vacuum performance.
Sample Compatibility & Compliance
The UR5-90LEV-II accommodates diverse sample formats—including powders, thin films, wafers, battery electrodes, ceramic green bodies, and polymer composites—within its 90 L (450 × 450 × 450 mm) stainless steel chamber. Removable, height-adjustable stainless steel trays allow flexible load configuration while preserving uniform thermal exposure. The absence of internal air movement prevents cross-contamination and mechanical displacement of fine particulates. Designed for GLP/GMP-aligned laboratories, the system supports audit-ready operation: optional RS485/USB data logging (with timestamped temperature/vacuum records), configurable alarm thresholds, and parameter memory retention during power interruption. It complies with IEC 61010-1 for electrical safety and meets structural requirements referenced in ASTM E145 (Standard Specification for Gravity-Convection and Forced-Ventilation Ovens) and ISO 14644-1 (cleanroom-compatible construction principles), though formal certification is user-responsible per local regulatory frameworks.
Software & Data Management
The II-type controller includes embedded firmware supporting multi-step process programming, real-time graphing of temperature and vacuum trajectories, and export of CSV-formatted datasets via USB flash drive (not included). Optional communication modules enable integration into centralized lab management systems via Modbus RTU over RS485. All critical operational parameters—including setpoints, actual readings, alarm events, and system faults—are time-stamped and stored in non-volatile memory. For regulated environments, optional 21 CFR Part 11-compliant software packages (sold separately) provide electronic signatures, role-based access control, and immutable audit trails—fully traceable for FDA, ISO 13485, or ICH Q7 compliance documentation.
Applications
- Lithium-ion battery R&D: Electrode drying under nitrogen-purged vacuum to remove residual NMP solvent without SEI layer decomposition.
- Semiconductor packaging: Pre-bake of lead frames and molding compounds to eliminate outgassing-induced voids in epoxy encapsulation.
- Aerospace composites: Moisture removal from carbon fiber prepregs prior to autoclave layup, minimizing delamination risk.
- Pharmaceutical excipient processing: Solvent-free drying of hygroscopic APIs under inert gas blanket to prevent hydrolysis.
- Materials science: Controlled thermal aging of metal oxides, catalyst supports, and MOFs under reproducible vacuum/temperature protocols.
- Electronics manufacturing: Degassing of conformal coatings and potting resins to eliminate microbubbles before thermal cure.
FAQ
What vacuum level can the UR5-90LEV-II achieve and sustain during heating?
The system achieves and maintains ≤133 Pa (1 Torr) at room temperature and sustains ≤200 Pa across its full 500°C operating range when equipped with the E-type cold trap and a compatible two-stage rotary vane pump.
Is the oven suitable for inert gas purging (e.g., N₂ or Ar)?
Yes—optional inert gas inlet valves (standard M6 thread) allow continuous or pulsed gas introduction; programmable gas hold phases are supported in the II-type controller.
Can the internal chamber be cleaned with solvents or acids?
The SUS304 chamber is resistant to common organic solvents and mild acidic solutions (pH ≥2); however, halogenated or strong oxidizing agents require prior compatibility validation.
Does the system support remote monitoring or network connectivity?
Native Ethernet or Wi-Fi is not built-in, but RS485 Modbus output enables connection to SCADA or building management systems using third-party gateways.
What maintenance is required for long-term vacuum performance?
Routine checks include gasket integrity inspection every 6 months, vacuum pump oil replacement per manufacturer schedule (typically every 500 operating hours), and periodic verification of cold trap condensate drainage (for E-type configuration).
