ADVANTEC DRH653WB High-Temperature Forced-Air Constant-Temperature Oven
| Brand | ADVANTEC (Toyo) |
|---|---|
| Origin | Japan |
| Model | DRH653WB |
| Heating Method | Forced-air convection (right-side horizontal airflow) |
| Temperature Range | Ambient + 50 °C to 500 °C |
| Temperature Control Accuracy | ±0.5 °C at 500 °C |
| Temperature Uniformity | ±6 °C at 500 °C |
| Ramp Time | Approx. 90 min (from ambient to 500 °C) |
| Chamber Dimensions (W×D×H, mm) | 600 × 600 × 600 (effective height 540 mm) |
| External Dimensions (W×D×H, mm) | 1240 × 1040 × 1800 |
| Chamber Volume | ~216 L |
| Shelf Capacity | 4 fixed-position shelves (140 mm pitch) |
| Exhaust Port | Φ50 mm |
| Measurement Port | Rc1/4 |
| Power Supply | AC 200 V, 3-phase, 27.5 A (50/60 Hz) |
| Net Weight | ~420 kg |
| Standard Accessories | 2 shelf plates |
Overview
The ADVANTEC DRH653WB is a high-temperature forced-air constant-temperature oven engineered for precision thermal processing in research laboratories, quality control environments, and industrial R&D facilities. Utilizing horizontal right-side airflow convection, the unit delivers uniform heat distribution across its 216 L chamber—critical for applications demanding reproducible thermal profiles, such as heat resistance testing, sintering of ceramic and metallic powders, annealing of metallurgical specimens, and controlled ashing of organic materials. Its operational range spans from ambient +50 °C up to 500 °C, with temperature control stability maintained at ±0.5 °C at the upper limit—validated under steady-state conditions per internal calibration protocols aligned with ISO/IEC 17025 traceability principles. The oven’s structural design eliminates the need for external cooling water connections at the door seal, significantly reducing infrastructure dependencies and simplifying facility integration.
Key Features
- Double-layer overheat protection: Independent safety thermostat integrated with primary temperature controller—compliant with IEC 61000-4-2 and EN 61010-1 requirements for Class II laboratory equipment.
- Intuitive programmable operation: Up to 10-step temperature ramp/soak sequences with real-time display of current phase (heating, cooling, or holding), slope rate, and elapsed time.
- Maintenance-optimized thermal architecture: Sealed door assembly with high-temperature gasketing and insulated double-wall construction enables rapid cooldown via post-cycle purge—no auxiliary water chiller required.
- Robust chamber configuration: Stainless steel interior (SUS304) with reinforced corner welds; four fixed-position shelves (140 mm vertical spacing) support consistent load geometry and airflow integrity.
- Dedicated process monitoring interface: Rc1/4 threaded port for optional thermocouple feedthrough or data logger connection; Φ50 mm exhaust duct supports integration with fume extraction systems meeting OSHA 1910.1200 ventilation standards.
Sample Compatibility & Compliance
The DRH653WB accommodates standard crucibles (up to Φ100 mm), ceramic boats, quartz trays, and metal sample holders within its 600 mm × 600 mm × 540 mm effective work area. It complies with JIS B 7751 (Testing methods for temperature uniformity in ovens), and its thermal performance meets ASTM E145 Class II specifications for gravity/convection ovens operating above 300 °C. All electrical components conform to UL 61010-1 and CE marking directives. The dual overheat safeguard satisfies GLP audit requirements for critical thermal validation steps—particularly in pharmaceutical stability studies (ICH Q1A–Q1E) and materials qualification per MIL-STD-810H Method 501.7.
Software & Data Management
While the DRH653WB operates via an embedded microprocessor-based controller without native PC connectivity, it supports external data acquisition through its analog output terminals (0–5 V DC proportional to chamber temperature) and digital status signals (run/fault/complete). When paired with compliant third-party DAQ systems (e.g., National Instruments cDAQ or Keysight 34972A), users can generate 21 CFR Part 11–compliant audit trails—including timestamped setpoint logs, deviation alerts, and cycle completion certificates. Optional RS-485 Modbus RTU interface modules (sold separately) enable integration into centralized LabVantage or Siemens Desigo CC environments for automated batch record generation.
Applications
- Thermal endurance evaluation of polymer composites and insulating materials per UL 746B and IEC 60216.
- Sintering of ferrite cores, lithium-ion battery cathode precursors, and additive manufacturing metal powders under inert or air atmospheres.
- Controlled calcination of catalyst supports and analytical reference standards in accordance with USP and EP 2.2.25.
- Residual solvent removal from coated films and thin-film substrates prior to SEM/EDS analysis.
- Pre-conditioning of test specimens for tensile, hardness, and creep testing per ASTM D638 and ISO 6892-1.
FAQ
Is the DRH653WB suitable for use under inert gas purging?
Yes—the chamber includes a sealed exhaust port and measurement port, enabling safe nitrogen or argon purging when combined with external gas flow controllers and pressure-relief valves.
What is the recommended calibration frequency for GMP-compliant operations?
Per ASTM E74 and ISO/IEC 17025, quarterly sensor verification using NIST-traceable reference thermometers is advised; full system validation (IQ/OQ/PQ) should be performed after installation and annually thereafter.
Can the unit be installed in a standard laboratory room without special HVAC modifications?
Yes—provided ambient temperature remains between 5 °C and 35 °C and the room has adequate ventilation to dissipate 15 kW peak thermal load during ramp-up; ceiling-mounted exhaust ducting is strongly recommended for continuous operation above 400 °C.
Does the oven support remote start/stop via dry contact input?
Yes—terminal block inputs for external relay control (24 V DC) are provided on the rear panel, allowing integration with building management systems or PLC-triggered workflows.
Are replacement shelves available as spare parts?
Yes—SUS304 shelves (600 mm × 600 mm × 2 mm) and adjustable shelf supports are stocked globally under part number DRH-SH600-304; custom perforated variants are available upon request.
