WIGGENS WF-05G Forced-Convection Precision Drying Oven
| Brand | WIGGENS |
|---|---|
| Origin | Germany |
| Model | WF-05G |
| Instrument Type | Precision Forced-Air Drying Oven |
| Temperature Range | Ambient +10 °C to 300 °C |
| Temperature Uniformity | ±0.5 °C at 100 °C |
| Internal Dimensions (W×D×H) | 387 mm × 334 mm × 407 mm |
| External Dimensions (W×D×H) | 573 mm × 570 mm × 732 mm |
| Chamber Volume | 50 L |
| Heating Power | 1.2 kW |
| Power Supply | 230 V, 50/60 Hz, 4.4 A |
| Standard Shelving | 2 adjustable stainless-steel shelves (up to 8 optional) |
| Net Weight | 55 kg |
| Standard Interface | RS232 |
| Safety Features | Overtemperature protection, door-open alarm, auto-shutdown |
Overview
The WIGGENS WF-05G Forced-Convection Precision Drying Oven is an engineered solution for laboratories requiring reliable, repeatable thermal processing across a broad operational range—from ambient +10 °C up to 300 °C. Designed according to DIN 12880 and aligned with ISO 17025 environmental conditioning requirements, this oven employs a robust forced-air circulation system based on a multi-blade, low-noise centrifugal fan. The airflow architecture ensures laminar, uniform heat distribution throughout the chamber—critical for applications where thermal gradients could compromise sample integrity, such as residual solvent removal, gravimetric moisture analysis, pre-weighing desiccation, or controlled-temperature sterilization of glassware and metal tools. Its precision PID microprocessor controller delivers stable setpoint maintenance with 0.1 °C display resolution and real-time deviation monitoring, making it suitable for GLP-compliant workflows and routine QC testing in pharmaceutical, food, and materials science labs.
Key Features
- Forced convection system with quiet, multi-wing centrifugal fan ensuring ≤±0.5 °C temperature uniformity at 100 °C (measured per ASTM E2209)
- PID-based digital temperature control with auto-tuning and one-touch calibration capability
- Intuitive LED touchscreen interface with programmable timer (1 minute to 99 hours 59 minutes)
- Three user-definable temperature presets for rapid recall of frequently used setpoints
- Overtemperature safety cutoff and audible/visual door-open alarm integrated into control logic
- Corrosion-resistant Inconel-sheathed heating elements mounted on rear wall for long-term thermal stability
- Rounded internal corners and seamless stainless-steel chamber (AISI 304) for simplified cleaning and contamination control
- Dual adjustable ventilation ports (Ø35 mm) with sliding covers for precise vapor management during drying cycles
- Ergonomic door handle and reinforced tempered-glass observation window (optional, order code W6062051)
Sample Compatibility & Compliance
The WF-05G accommodates standard laboratory ware including borosilicate glass Petri dishes, weighing boats, crucibles, pipette tips, and stainless-steel tools. Its chamber volume (50 L) and internal height (407 mm) support vertical stacking of tall vessels while maintaining airflow integrity. All materials in contact with the chamber—including shelving, insulation, and gasketing—meet EU RoHS Directive 2011/65/EU and are non-outgassing under sustained high-temperature operation. The oven complies with IEC 61010-1:2010 for electrical safety and supports traceability through its RS232 serial port, enabling integration with LIMS or audit-ready data loggers compliant with FDA 21 CFR Part 11 requirements when paired with validated software.
Software & Data Management
While the WF-05G operates autonomously via its embedded controller, its standard RS232 interface permits bidirectional communication with external PCs or industrial PLCs. Third-party LabVIEW, Python (pySerial), or MATLAB scripts can acquire real-time temperature readings, setpoint changes, timer status, and alarm events. When deployed in regulated environments, users may configure external logging systems to capture timestamped thermal profiles—including ramp rates, dwell times, and deviation alerts—with full electronic signature and audit trail capabilities. Firmware updates (where applicable) are delivered via WIGGENS’ secure engineering portal and require local technician authentication.
Applications
- Moisture content determination per AOAC 950.46 and USP <731>
- Pre-drying of filter papers and analytical substrates prior to gravimetric analysis
- Thermal conditioning of reference standards and calibration weights
- Depyrogenation of glassware at ≥250 °C for endotoxin-free preparation (validated per ISO 15378)
- Accelerated aging studies of polymer films and packaging materials
- Post-curing of adhesives and coatings under controlled convective heat
- Residual solvent evaporation from HPLC vials and GC sample containers
FAQ
What is the maximum recommended operating temperature for continuous use?
The WF-05G is rated for continuous operation up to 300 °C; however, prolonged exposure above 280 °C may reduce heater service life and requires verification against material compatibility of placed samples.
Can the oven be validated for GMP environments?
Yes—the unit supports IQ/OQ protocols via its stable thermal performance, documented calibration traceability (NIST-traceable reference sensors available), and RS232 data export for 21 CFR Part 11–compliant systems.
Is the observation window included by default?
No—the tempered-glass observation window is an optional accessory (order code W6062051); the base model (W6062050) ships without it.
How many shelves can be installed simultaneously without compromising airflow?
Up to eight shelves may be installed, but optimal uniformity is guaranteed with two standard shelves; additional shelves require validation per your lab’s SOP.
Does the oven meet CE marking requirements for the European Economic Area?
Yes—it carries full CE marking under the Low Voltage Directive (2014/35/EU) and EMC Directive (2014/30/EU), with technical documentation available upon request from authorized WIGGENS distributors.
