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Drying Oven
The LDO250 and LDO450 Double Door Drying Ovens are designed for precise and efficient drying of laboratory samples with large batch capacity. Featuring advanced temperature control and a high-efficiency air circulation system, these ovens ensure stable heating performance and uniform temperature distribution throughout the chamber.
Product Details
High-Precision Laboratory Drying Oven for Large-Capacity Sample Processing
The LDO250 and LDO450 Double Door Drying Ovens are designed for precise and efficient drying of laboratory samples with large batch capacity. Featuring advanced temperature control and a high-efficiency air circulation system, these ovens ensure stable heating performance and uniform temperature distribution throughout the chamber. The double-door structure provides convenient access and improved operational efficiency, making it suitable for laboratories, research institutes, and industrial testing environments.

Key Features
High-Precision Temperature Control
Equipped with a PID or programmable temperature controller for accurate temperature regulation. The integrated over-temperature alarm system enhances operational safety and protects valuable samples.
Convenient Double-Door Design
The dual-door configuration allows easy loading and unloading of samples, improving workflow efficiency when handling large volumes of materials.
Efficient Forced Air Circulation System
A built-in low-noise fan with centrifugal air circulation ensures consistent airflow within the chamber, providing excellent temperature uniformity and stable drying conditions.
Reliable Performance for High-Density Sample Drying
Engineered for laboratories that require stable and uniform drying for high-density sample batches, ensuring reproducible experimental results.

Technical Specifications
Model | LDO-250 | LDO-450 |
Cycle Mode | Forced Convection | |
Temp. Range | RT+10-250℃ | |
Temp. Resolution Ratio | 0.1℃ | |
Temp. Motion | ±0.5℃ | |
Temp. Uniformity | ±2.5% | |
Inner Chamber | Mirror Stainless Steel | |
Outer Shell | Cold rolling steel electrostatic spraying exterior | |
Insulation Layer | Composite silicate insulation board | |
Heater | Nickel-chromium alloy heating wire | |
Power Rating | 2.4kW | 3.6kW |
Exhaust Hole | φ32mm X 2 top (with function of test hole) | |
Temp. Control Mode | PID Intelligent | |
Temp. Setting Mode | Touch button setting | |
Temp. Display Mode | Measuring temperature: display on upper LCD screen, setting temperature: display on the lower row | |
Timer | 0-9999min(with timing wait function) | |
Operation Function | Fixed temperature operation, timing function, auto stop | |
Additional Function | Sensor deviation correction, temperature overshoot self-tuning, internal parameter locking, power-off parameter memory | |
Sensor | PT100 | |
Safety Device | Over temperature sound-light alarm | |
Inner Chamber | 950*450*550 | 950*600*790 |
Exterior Size(WLHmm) | 1087*727*807 | 1087*877*1047 |
Packing Size(WLHmm) | 1137*777*942 | 1137*927*1182 |
Volume | 235L | 450L |
Max Shelf Number | 6 Layers | 10 Layers |
Shelf Space | 35mm | |
Load Per Rack | 15kg | |
Supply(50/60Hz)Current | AC220V/11.0A | AC220V/16.4A |
NW/GW(kg) | 94/120 | 150/190 |
Shelf Number | 2 | |
Optional Accessories | Shelf | |
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