Sulfur Dioxide Test Chamber

The DHT® Sulfur Dioxide Test Chamber is a precision-engineered solution designed to replicate corrosive environments rich in sulfur dioxide (SO₂), enabling highly accelerated aging and corrosion testing. It plays a critical role in evaluating the corrosion resistance, material degradation, and long-term durability of metals, coatings, electronic components, and structural materials.

Widely adopted in industries such as electronics, automotive, aerospace, and materials science, this chamber supports product development, quality assurance, and compliance testing by exposing samples to SO₂-laden atmospheres under controlled temperature and humidity conditions.

Equipped with advanced gas distribution and environmental control systems, the DHT® SO₂ chamber ensures uniform test conditions, reproducible results, and alignment with international standards such as ISO 6988 and DIN 50018. Whether for research laboratories or production-line validation, it is an essential tool for assessing performance in harsh atmospheric scenarios and enhancing product reliability.

If you want a more comprehensive understanding of high-performance environmental test equipment, we invite you to read our in-depth article: How to Choose a Reliable Environmental Test Chamber? A Comprehensive Analysis of DHT® High-Performance Solutions. It covers technical specifications, application scenarios, and industry standards to help you make an informed decision.

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Benefits

Precise SO₂ Concentration Control: Equipped with a high-efficiency gas control system, the chamber ensures accurate and stable SO₂ concentration settings, providing a reliable testing environment.

Corrosion-Resistant Construction: The interior is crafted from stainless steel, offering exceptional resistance to corrosion, while the exterior undergoes specialized treatments to maintain stability in prolonged corrosive atmospheres.

Comprehensive Safety Mechanisms: Integrated safety features, such as overheat and overpressure protection, are incorporated to guarantee the chamber’s stable operation and to prevent potential malfunctions.

Efficient Gas Treatment and Emission Systems: The chamber includes advanced gas treatment systems to effectively manage and neutralize harmful emissions, ensuring compliance with environmental standards and promoting sustainable laboratory practices.

Enhanced Stability and Longevity: Utilizing high-quality components, the chamber is designed for continuous operation, maintaining high stability and reliability in corrosive environments, thereby extending its service life.

Features Video

Specifications

Parameter Specification
Temperature Range RT +10℃ to 50℃
Humidity Range 85% to 95% RH
Test Duration 0.1-999.9 (adjustable in H/M/S)
Gas Concentration 0.1% to 1% (adjustable)
Accuracy
-D6Set Accuracy Temp. ±0.1℃
-Display Accuracy Temp. ±0.1℃
Sample Rack Angle 15°, 30°
Power (KW) 297L: 2 kW;605L: 2.5 kW;900L: 3 kW
Gas Generation Cylinder Method
Gas Control Custom High-Precision Flow Controller
Heating System Fully Independent System, Nickel-Chromium Alloy Electric Heater
Control System LED Digital Display P.I.D + S.S.R. Microcomputer Integrated Controller
Safety Protections Leakage, Short Circuit, Over-temperature, Water Shortage, Over-current Protection
Control System LED Digital Display P.I.D + S.S.R. Microcomputer Integrated Controller
Safety Protections Leakage, Short Circuit, Over-temperature, Water Shortage, Over-current Protection