Boxun BGZ-140 High-Temperature Forced-Air Drying Oven
| Brand | Boxun |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | BGZ-140 |
| Price Range | USD 280–700 (FOB) |
| Instrument Type | High-Temperature Drying Oven |
| Temperature Range | Ambient +5°C to 250°C |
| Temperature Uniformity | ±2% (at setpoint) |
| External Dimensions (W×D×H) | 840 × 695 × 705 mm |
| Internal Chamber Dimensions (W×D×H) | 550 × 470 × 550 mm |
| Interior Material | Mirror-Finish Stainless Steel (SUS304) |
| Heating Method | Forced-Air Circulation with Adjustable Fan Speed (6-step) |
Overview
The Boxun BGZ-140 High-Temperature Forced-Air Drying Oven is an engineered thermal processing system designed for precise, repeatable drying, baking, sterilization, and preheating applications in industrial quality control laboratories, R&D facilities, and academic research environments. It operates on the principle of convection-based heat transfer, utilizing a high-efficiency axial fan and optimized air duct geometry to ensure uniform temperature distribution across the entire 142 L working chamber. The oven’s operational envelope—spanning from ambient +5°C up to 250°C—meets the thermal requirements of ASTM D1654 (corrosion testing), ISO 17025-compliant drying protocols, and USP sterile processing validation steps where controlled thermal exposure is critical. Its robust construction, programmable logic controller (PLC)-integrated PMMA II operating system, and compliance-ready architecture support GLP/GMP-aligned workflows.
Key Features
- Forced-air circulation system with 6-step adjustable fan speed control—enabling optimization for low-dust sensitivity (e.g., pharmaceutical powders) or rapid thermal equilibration (e.g., ceramic sintering pre-bake)
- Mirror-finish SUS304 stainless steel interior chamber with rounded corners and tool-free removable shelves—facilitating ISO 14644-1 Class 5 cleanroom-compatible cleaning and residue-free maintenance
- Double-sealed, rotating two-point latching door with high-compression silicone gasket—achieving ≤0.5°C thermal leakage at 250°C per EN 61000-6-3 emission testing
- PMMA II touchscreen HMI with color LCD display—supporting real-time monitoring of temperature, elapsed time, remaining cycle duration, and active program segment
- 10-segment × 100-cycle programmable controller—allowing multi-stage thermal profiles (e.g., ramp-hold-cool sequences) for materials conditioning per IEC 60068-2-2
- RS-485 serial interface compliant with Modbus RTU protocol—enabling integration into LabVantage, STARLIMS, or custom SCADA systems for centralized equipment management
- Power recovery function with non-volatile memory retention—preserving active programs and setpoints after AC interruption, satisfying FDA 21 CFR Part 11 data integrity requirements for audit trails
Sample Compatibility & Compliance
The BGZ-140 accommodates a broad range of sample formats—including Petri dishes, crucibles, glassware, metal trays, and polymer substrates—without thermal distortion or cross-contamination risk. Its chamber volume (142 L) and standard configuration of three load-bearing shelves (15 kg capacity each, expandable to seven) support batch processing per ISO/IEC 17025 clause 7.2.2. All internal surfaces comply with USP extractables testing criteria for pharmaceutical contact materials. The unit conforms to IEC 61010-1:2010 safety standards for laboratory electrical equipment and carries CE marking under the EU Machinery Directive 2006/42/EC. Optional calibration certificates traceable to NIST or CNAS are available upon request for IQ/OQ/PQ documentation packages.
Software & Data Management
The embedded PMMA II controller logs timestamped temperature data at user-defined intervals (1–60 sec) into internal flash memory (≥10,000 records). Export is supported via USB port (CSV format) or RS-485 Modbus register polling. Audit trail functionality records operator ID (via optional RFID reader), parameter changes, alarm events, and door openings—meeting ALCOA+ principles for data reliability. When connected to enterprise lab informatics platforms, the oven supports automated report generation aligned with Annex 11 and GAMP 5 validation frameworks.
Applications
- Drying moisture-sensitive compounds in QC labs (e.g., APIs, excipients) per USP
- Baking ceramic green bodies prior to sintering in materials science departments
- Accelerated aging studies of packaging films per ASTM F1980
- Preconditioning filter membranes for gravimetric particulate analysis (ISO 12103-1)
- Thermal stabilization of calibration standards before metrological verification
- Moisture content determination in food and agricultural samples (AOAC 950.46)
FAQ
What is the maximum continuous operating temperature of the BGZ-140?
The chamber is rated for uninterrupted operation at 250°C, validated per IEC 60519-12 thermal endurance testing.
Does the oven support validation documentation for regulated industries?
Yes—optional IQ/OQ protocols, as-found/as-left calibration reports, and 3Q validation kits are available with NIST-traceable thermocouple probes.
Can the fan speed be disabled during operation?
No—the forced-air system remains active during all heating phases to maintain uniformity; however, minimum airflow is maintained even at “Level 1” setting.
Is the RS-485 interface compatible with LabVIEW or Python-based automation?
Yes—Modbus RTU register mapping documentation and Python SDK examples are provided with the communication module.
What is the warranty coverage and service response time?
Standard 24-month parts-and-labor warranty; priority technical support and on-site service available in North America, EU, and APAC regions via authorized Boxun service partners.

