Compliance Standards
- The chamber is manufactured in accordance with:
- GB/T 9789-88 – Corrosion Tests in Artificial Atmospheres Containing Sulfur Dioxide
- DIN 50018 – Testing in a Saturated Atmosphere in the Presence of Sulfur Dioxide
- Other relevant standards for corrosion testing using sulfur dioxide (SO₂) and hydrogen sulfide (H₂S) gases.
Technical Specifications
- Temperature Range: RT +10°C ~ 50°C
- Humidity Range: 85% ~ 98% R.H.
- Temperature Uniformity: ≤ 2°C
- Temperature Fluctuation: ±0.5°C
- Gas Generation Method: Gas cylinder (SO₂ supply included)
- SO₂ Concentration: 0.1% ~ 1% (by volume)
Outer Shell Material: Reinforced PVC hard plastic plate, smooth and corrosion-resistant.
Inner Chamber Material: PVC plastic panel.
Transparent Cover: Made of high-impact imported transparent material for easy observation of test samples.
Sealing System: Water-sealed lid to prevent gas leakage.
Pneumatic Lid Mechanism: Effortless opening and closing with gas struts.
Heating System: Water tank heating for fast and uniform temperature distribution.
Included Accessories: One SO₂ gas cylinder (with regulator).
Heating & Temperature Control
- Heating Element: U-shaped titanium alloy heating tube for rapid heating.
- Control System: High-precision PID digital temperature controller.
- Temperature Accuracy: ±0.1°C.
- Temperature Sensor: PT100 platinum resistance thermometer.
- Timer Setting: 0–999 hours (adjustable in hours, minutes, seconds).
SO₂ Concentration Control
- Gas Concentration Regulation: Controlled via a metering float system.
- Automatic Gas Circulation: Ensures uniform distribution inside the chamber.
- Corrosion-Resistant Tubing: Silicone gas delivery pipes.
- Exhaust System: Plastic centrifugal fan for safe gas expulsion.
Safety & Protection Features
- Over-temperature & low-water protection
- Fuse-less circuit breaker (overload & leakage protection)
- Test status indicators (operation/end)
- Waste gas treatment: Activated carbon + soda lime filtration before external exhaust.
Operating Conditions
- Ambient Temperature: 5°C ~ 28°C
- Ambient Humidity: ≤85% RH
- Power Supply: AC 220V, 50Hz
- Power Consumption: 4kW