Description

Description

The Yamato DNF-401 Natural/Forced Convection Programmable Oven, 90 L, 115 V (SKU: DNF401) is an energy-efficient, high-precision laboratory oven designed to support a wide range of heating and drying applications. This versatile oven offers both natural and forced convection within a single unit and features an improved airflow control system with an adjustable damper and 10-step wind velocity settings. Its programmable controller supports up to 99 steps, making it ideal for laboratories requiring automated and repeatable thermal processes. With excellent temperature accuracy and uniformity, the DNF-401 is engineered for reliability in research, industrial, and quality-control environments.


Key Features

Dual Circulation System: Operates in either natural or forced convection mode, allowing flexibility for gentle drying or rapid, uniform heating.

Large 90 L Capacity: Spacious chamber ideal for routine and specialized laboratory heating applications.

Advanced Airflow Control: Includes an adjustable damper and 10-step variable wind speed setting for precise airflow management.

Programmable Operation: Supports up to 99 programmable steps for automated, repeatable heating cycles.

High Temperature Accuracy: Accurate temperature control with uniform distribution across the chamber.

Energy-Saving Design: Built to reduce operating costs while maintaining high-performance heating capability.

Dust-Tight Chamber: Prevents particulate intrusion for clean, reliable operation.


Applications

Drying and Heating Processes: Suitable for general drying, sample conditioning, and heat treatment.

Quality Control & Production Labs: Ideal for controlled heating cycles and programmable workflows.

Research Laboratories: Reliable performance for stability studies, temperature-controlled experiments, and material testing.


Benefits

Flexible Performance: Easily switch between forced and natural convection to match application requirements.

Improved Uniformity: Enhanced airflow system provides stable temperature distribution throughout the chamber.

Automation Ready: 99-step programming reduces manual intervention and ensures consistent, repeatable results.

Operational Efficiency: Energy-saving design lowers operating costs without sacrificing precision.

User-Controlled Airflow: Adjustable damper and multiple wind speed levels allow fine-tuning for sensitive samples.


Product Specs

Model Yamato DNF-401 Natural/Forced Convection Programmable Oven, 90 L, 115 V
SKU DNF401
Fluorescent Display Yes
Interactive Input Method Yes
Calibration Offset Function Yes
Operating Temperature Ambient +15°C to 260°C
Product Categories Ovens – Natural / Forced Convection
Size (W x H x L) 36 x 44 x 36
Weight 215 lb
HTS EAR99
U.S. Harmonization Code 8514.30.9000
UNSPSC Code 41104501 – Laboratory mechanical convection ovens
Country of Origin Japan (JP)

Categories

• Laboratory Ovens

• Heating Equipment

• Temperature-Controlled Instruments

Reviews

FAQs

What are the key circulation modes of the DNF-401 oven?

The DNF-401 supports both natural convection (no fan airflow) and forced convection (user-controlled fan speed across 10 digital wind-velocity steps). This “2-in-1” design allows gentle drying or rapid, uniform heating within one unit.

What chamber capacity and external dimensions does the model offer?

This oven has a 90 L internal capacity with internal dimensions of 450 × 450 × 450 mm. The external case measures 580 × 645 × 890 mm and it weighs approximately 75 kg.

What programmability and functionality does the controller support?

The oven includes a programmable controller capable of up to 99 steps, with functions such as auto-start/stop, repeat mode, calibration offset, and a fluorescent digital display for settings.

What airflow and damper control features are included?

Airflow can be digitally adjusted in 10 dedicated wind-velocity steps (fan speeds from ~600 to ~1500 rpm). A manually adjustable front-mounted damper allows fine control of intake/exhaust, optimizing heat uniformity and reducing energy usage.

What are the benefits of having both forced and natural convection in one unit?

This dual mode offers flexibility: natural convection provides gentle drying with minimal disturbance to samples, and forced convection enables rapid and uniform heating for high-throughput workflows. One oven covers both needs, reducing equipment footprint.