Sulfur Dioxide Test Chamber Reference Standard: GB/T9789-2008 Test For Sulfur Dioxide Corrosion Of Organic Coatings On Metals And Other Non-Metals Under Normal Condensation Conditions

Sulfur dioxide test chamber

Reference standard: GB/T9789-2008 Test for sulfur Dioxide Corrosion of Organic Coatings on Metals and Other Non-Metals under Normal Condensation Conditions
Random materials: Certificate of conformity, warranty card, circuit diagram
Instruction Manual: Operating methods, precautions, basic accessories for shipment, Maintenance and repair matters

Safety protection device
Test chamber: Over-temperature protection, overall equipment timing
Others: Leakage protection, short-circuit protection, water shortage alarm

Sulfur dioxide concentration control
The gas concentration is controlled by the metering float
The gas guide pipe is connected with corrosion-resistant silicone tubes
The waste discharge machine adopts a centrifugal plastic fan
The exhaust gas is filtered with activated carbon and soda ash and then discharged outdoors by a fan

Heating system
Heating structure: It adopts a high-speed heating electric heater made of far-infrared nickel-chromium alloy. The high-temperature system is completely independent. The temperature control and output power are all calculated by a microcomputer to achieve high-precision and high-efficiency power usage benefits

Studio dimensions: 600*550*900MM
External dimensions: 1050*1180*1510MM

Controller
Intelligent XMT7512D series
Thin-film KEY BOARD button
Touch setting, digital and direct display
Show the resolution
Temperature: 0.1℃ (Display range)
Time: 0.1min
Temperature sensor: PT100 platinum resistance temperature measuring body
Control mode: Thermal equilibrium temperature and humidity adjustment test; The temperature and humidity control adopts the P.I.D+S.S.R system channel coordinated control. It has the function of automatic calculation, which can immediately correct the changes in temperature and humidity conditions, making the temperature control more precise and stable
Other: All core components are made of imported (Schneider) parts to better control the temperature


Technical specifications of gas corrosion chamber
1.1. Temperature range: RT+10℃ to 50℃
1.2. Humidity range: >95%RH (Actual humidity value in the working chamber)
1.3. Temperature uniformity: ≤2℃
1.4. Temperature fluctuation: ±0.5℃
1.5. Gas generation method: Cylinder method
1.6. Sulfur oxide gas concentration: 0.1-1.0% (volume percentage)

Installation site
The ground is flat and well-ventilated
There is no strong vibration around the equipment
There is no strong electromagnetic field around the equipment
There should be no flammable, explosive, corrosive substances or dust around the equipment
Installation requirements
There is appropriate space for use and maintenance around the equipment, as shown in the figure

A: Not less than 60cm
B: Not less than 60cm
C: Not less than 120cm
(Note: The inclination Angle of the equipment must not exceed 15℃.)

Environmental conditions
Temperature: 5℃ to +28℃ (Average temperature within 24 hours ≤28℃)
Relative humidity: ≤85%RH
Air pressure: 86kPa to 106kPa
Power supply conditions: Voltage range: AC (220±10%) V
Allowable frequency fluctuation range: (50±0.5) Hz single three-wire system
The user is required to configure an air or power switch of corresponding capacity for the equipment at the installation site, and this switch must be independently used for this equipment
When the equipment is not in operation, the ambient temperature should be maintained within 0℃ to +45℃
The net weight of the equipment is 130 kilograms

Material structure
Shell material: High-quality PP reinforced hard plastic sheet, with a smooth and flat surface, high strength, anti-aging and corrosion-resistant
Inner tank material: High-quality PP reinforced hard plastic plate, with a smooth and flat surface, high strength, anti-aging and corrosion-resistant
The material of the box door: It is made of fully transparent high-temperature resistant high-quality tempered glass, which is convenient for observing the test status of the test samples during the test
Temperature circulation system: It adopts a specially designed low-noise long-shaft fan motor of air conditioning type and a stainless steel multi-wing impeller resistant to high and low temperatures to achieve strong convection vertical diffusion circulation
Auxiliary structure: The box cover and the box body are sealed with silicone rubber to prevent gas leakage. The heating adopts an inner tank water tank heating method, which features rapid temperature rise and uniform temperature distribution
Standard configuration: Two layers of sample rack

It features a grand appearance, easy maintenance and scientific design
The sulfur dioxide test chamber can assess the corrosion resistance of materials and their protective layers, as well as the process quality comparison of similar protective layers. At the same time, it can also evaluate the corrosion resistance of certain products.

Double-layer gas filtration device, zero pollution, more environmentally friendly
The waste exhaust fan adopts a centrifugal plastic fan
The exhaust gas is filtered by activated carbon and soda ash and then discharged outdoors by a fan

Exquisite and unique, corrosion-resistant, clear and bright
The whole is made of imported PVC reinforced hard plastic sheet, with a smooth and flat surface, and is resistant to aging and corrosion. Easy to clean and leak-proof, it eliminates the surface fading and fibrosis caused by fiberglass reinforced plastic over time. Made of fully transparent imported impact-resistant plates, it is convenient to observe the test sample's condition during the test.