Vacuum Heating and Drying Ovens
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The vacuum drying test chamber incorporates a precision vacuum and temperature control system, fully compliant with GB/T 29251-2012, ASTM D7227, D7227M-22, GB 2423.2-89 Test B, and JB/T 9505-1999 standards. This equipment provides controlled environmental simulation conditions essential for industrial research and biotechnology testing applications. Consequently, it is suitable for vacuum drying tests, stability inspections, raw material performance evaluation, product packaging validation, and product lifecycle testing across electronics, electromechanical systems, pharmaceuticals, machinery, and related industries. The chamber also supports testing of industrial product raw material properties, packaging integrity, and durability assessments.
Standards Compliance: ASTM D7227/D7227-22 “Standard Practice for Rapid Drying of Compacted Asphalt Specimens Using Vacuum Drying Apparatus,” GB/T 29251, GB 2423.2 Test B, and JB/T 9505.
Specifications:
| Model | LISUN LS-DZF6090 | LISUN LS-DZF6210 |
|---|---|---|
| Internal Working Dimensions (D×W×H, mm) | 450×450×450 | 600×560×650 |
| External Dimensions (mm) | 640×615×1290 | 725×730×1455 |
| Volume | 91.13 L | 218.4 L |
| Total Power | 1.3 kW | 1.8 kW |
| Sample Rack Configuration | 2 Layers | 2 Layers |
| Temperature Range | 40°C to 200°C | 40°C to 200°C |
| Vacuum Level | 101 to 0.1 kPa (760 to 1 Torr) | 101 to 0.1 kPa (760 to 1 Torr) |
| Temperature Control Accuracy | ±0.1°C | ±0.1°C |
| Average Heating Rate | 3°C/min | 3°C/min |
| Temperature Fluctuation | ±1°C | ±1°C |
| Timer Range | 1 to 9999 minutes | 1 to 9999 minutes |
| Power Rating | 1.8 kW | 1.8 kW |
Product Features:
- Structural Configuration: The test chamber features a rectangular vertical working chamber design (upright configuration) optimized for specimen placement. Testing and drying operations occur within an oxygen-free or inert gas environment, eliminating oxidation effects and reducing processing time by over 50% compared to conventional vacuum drying ovens.
- Chamber Exterior Construction: Fabricated from cold-rolled steel plate with electrostatic spray surface treatment.
- Testing Chamber Interior: Constructed from polished stainless steel to ensure durability and corrosion resistance.
- Door Assembly: Incorporates adjustable door sealing mechanism with integrated silicone rubber gaskets to maintain high vacuum integrity within the chamber. Observation window included for process monitoring.