Forced Air Lab Drying Oven

Forced Air Lab Drying Oven

Product Overview

The TOB-DHG-9003 Series is a Benchtop forced air drying oven designed for precise thermal applications in laboratories, industrial workshops, and research institutions. It is suitable for drying, wax melting, sterilization, and other heat treatment tasks. The series combines high-precision temperature control, uniform hot-air circulation, and multiple safety protections to ensure reliable operation, reproducible results, and operator safety.

Technical Specifications

Design and Construction

The inner chamber is made of mirror-finished stainless steel, joined using argon arc welding. This ensures excellent corrosion resistance, easy cleaning, and long-term durability. The exterior utilizes high-quality steel plates with a modern design, providing both robustness and aesthetic appeal. The chamber construction is specifically engineered to maintain thermal stability and uniform heating even under prolonged operation.

Inner chamber	High-quality steel plates exterior

Temperature Control and Hot Air Circulation

Temperature is managed by a microcomputer PID controller with digital display, providing 0.1°C resolution and ±0.5°C fluctuation accuracy. An optional intelligent LCD programmable controller supports up to 30 segments, enabling precise multi-stage heating processes.
The oven features a high-temperature-resistant fan with optimized air ducts to ensure uniform temperature distribution. Optional variable-frequency fan control allows the system to adapt airflow to different load sizes, improving heating efficiency and process reproducibility.

Safety Features

Safety is integral to the TOB-DHG-9003 design. Core protections include:
• Independent over-temperature limiters and alarms 
• Automatic shutdown when temperature exceeds limits 
• Open/short circuit detection for temperature sensors 
• Grounding and overcurrent protection 
• Optional motor fault alerts and process completion alarms 
These measures prevent accidents, protect the operator, and safeguard experimental samples.

Advanced Control (Optional Upgrade)

The series can be equipped with a fuzzy logic controller, offering several advantages over traditional PID systems:
• Eliminates manual PID tuning and lengthy self-adjustment 
• Automatically adjusts control parameters based on ambient conditions and load 
• Minimizes temperature overshoot after door openings 
• Ensures faster stabilization and higher control accuracy 
This advanced control is particularly valuable for sensitive experiments or production processes requiring high reproducibility.

Data Monitoring and Connectivity (Optional)

The oven can be connected to data loggers or PCs through RS485/RS232 interfaces, allowing real-time monitoring of temperature profiles. Optional peripherals include built-in printers and paperless recorders, providing automated documentation essential for quality control or research validation.

Optional Components

The oven can be configured with additional components to enhance functionality and usability:
• Multi-stage programmable temperature controller 
• Embedded printer or paperless recorder 
• Independent temperature limiter 
• Ø50 mm side test port 
• BOD socket 
• RS485/232 communication software 
These options allow customization for specific experimental or industrial requirements.

Applications and Use Cases

In practice, the TOB-DHG-9003 Series is widely used for laboratory research, industrial sample drying, battery material pre-treatment, electronic component baking, sterilization, and wax processing. Its combination of precise temperature control, uniform heating, and safety protections ensures reliable, reproducible results, even for sensitive or high-value materials.
For example, in battery R&D labs, consistent chamber temperature is critical to ensuring uniform drying of electrodes, directly affecting subsequent battery performance and testing accuracy. The advanced control options help laboratories reduce temperature overshoot, improving experiment reliability and process repeatability.

Support and Service

TOB NEW ENERGY provides comprehensive support, including installation guidance, operator training, remote troubleshooting, and long-term maintenance. Our engineers have extensive experience in laboratory and production equipment, ensuring that clients achieve optimal performance, safety, and efficiency from the TOB-DHG-9003 Series ovens.

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