DRETOP TLG-9245A Vertical Forced-Air Drying Oven
| Brand | DRETOP |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | TLG-9245A |
| Instrument Type | General-Purpose Drying Oven |
| Temperature Range | RT+10°C to 300°C |
| Temperature Uniformity | ±2.5°C (empty chamber @ 100°C) |
| Temperature Fluctuation | ±0.5°C |
| Temperature Resolution | 0.1°C |
| Chamber Dimensions (W×D×H) | 500×600×750 mm |
| External Dimensions (W×D×H) | 710×791×1150 mm |
| Operating Ambient Temperature | 5–45°C |
| Inner Chamber Material | Stainless Steel (SUS304) |
| Heating Method | Forced-Air Circulation via High-Temperature Fan |
Overview
The DRETOP TLG-9245A Vertical Forced-Air Drying Oven is an engineered solution for precise, repeatable thermal processing in research laboratories, quality control environments, and industrial R&D settings. Designed around a robust convection-based heating architecture, the unit employs a high-efficiency axial fan capable of continuous operation at elevated temperatures, coupled with an optimized internal airflow path to ensure uniform heat distribution across the entire working chamber. Unlike natural convection ovens, this model utilizes forced-air circulation to accelerate thermal equilibration, reduce temperature gradients, and minimize process variability—critical parameters when performing moisture loss analysis, pre-conditioning of polymeric materials, curing of coatings, or stability testing of electronic components under controlled thermal stress. Its vertical footprint accommodates larger sample loads while maintaining ergonomic access and space efficiency in constrained laboratory layouts.
Key Features
- Microprocessor-based P.I.D. temperature controller with real-time digital display, offering ±0.1°C resolution and programmable ramp-soak profiles (optional with touch-screen upgrade)
- Dual-layer tempered glass observation window with reinforced stainless steel frame, enabling non-intrusive visual monitoring without thermal compromise
- Adjustable, removable stainless steel shelving system (4 standard trays included), supporting flexible load configuration and rapid cleaning between experiments
- Two-stage rotary locking mechanism with high-temperature silicone gasket (rated to 350°C), ensuring consistent door seal integrity and minimizing heat leakage
- Self-diagnostic firmware with fault-code reporting on LCD interface—enabling rapid identification of sensor drift, heater failure, or fan stall conditions
- Power recovery function with parameter retention after unexpected power interruption, preserving experimental continuity and data integrity
- Independent over-temperature cut-off circuit with audible/visual alarm, compliant with IEC 61010-1 safety requirements for laboratory equipment
Sample Compatibility & Compliance
The TLG-9245A supports a broad range of sample types including but not limited to: polymer films, printed circuit boards (PCBs), pharmaceutical excipients, ceramic green bodies, metal oxide powders, and packaged electronic assemblies. Its stainless steel interior (SUS304) resists corrosion from mild organic solvents and residual moisture, making it suitable for post-cleaning drying cycles in GLP-compliant labs. While not certified for Class I Division 1 hazardous locations, the unit meets CE marking requirements for electromagnetic compatibility (EN 61326-1) and low-voltage directive (EN 61010-1). Optional RS485 communication enables integration into centralized facility monitoring systems adhering to ISO/IEC 17025 documentation standards.
Software & Data Management
Standard configuration includes a front-panel LCD interface with real-time temperature logging (internal buffer for up to 72 hours of 1-minute interval data). Optional USB data export allows transfer of time-stamped temperature logs to external storage for traceability. With the optional programmable controller (model TLG-PCU), users may define up to 30 segments per program—including ramp rates, dwell times, and cycle repeats—facilitating ASTM D1654 (corrosion testing) or ISO 11357-3 (thermal aging of plastics) protocols. All firmware versions support audit trail generation for critical parameters (setpoint, actual temperature, alarm events), aligning with FDA 21 CFR Part 11 requirements when paired with validated user access controls.
Applications
- Moisture content determination per AOAC 950.46 and USP guidelines
- Thermal conditioning of sensors and transducers prior to calibration
- Baking of solder paste residues in electronics manufacturing QA workflows
- Accelerated aging studies of adhesives, encapsulants, and conformal coatings
- Drying of filter papers, crucibles, and volumetric glassware in analytical chemistry labs
- Pre-heating of test specimens for tensile, impact, or hardness evaluation per ASTM E18, ISO 6892-1
FAQ
What is the maximum operating temperature and thermal stability specification?
The unit is rated for continuous operation up to 300°C, with temperature fluctuation maintained within ±0.5°C and uniformity of ±2.5°C (measured at nine points in empty chamber per ISO 15504 Annex B).
Can the oven be validated for GMP environments?
Yes—when equipped with optional calibrated PT100 sensors, 4–20 mA analog output, and audit-trail-enabled controller, it supports IQ/OQ/PQ protocols aligned with EU Annex 15 and WHO TRS 986.
Is the airflow velocity adjustable?
A manual air damper is provided on the rear exhaust port; for variable-speed fan control, the TLG-9245A-VC variant (with VFD-integrated blower) must be specified at order.
Does the unit comply with energy efficiency standards?
It meets China’s GB 30253-2013 Class II energy efficiency rating; typical standby power consumption is ≤1.2 W.
What maintenance intervals are recommended?
Fan bearing lubrication every 12 months; gasket inspection and replacement every 24 months or after 500 cumulative hours above 250°C.
