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Sulfur dioxide corrosion test chamber

This equipment is used to test the protective layers of electrical and electronic products, electroplating products and various metal products. It is used to assess the ability of materials and their protective layers to resist corrosive gases, and to compare the process quality of similar protection. It is a The artificial simulated gas corrosion test is to use sulfur dioxide gas to accelerate corrosion tests on materials or products under a certain temperature and relative humidity environment to test and compare the degree of damage suffered by the product's protective layer within a certain time range. It can also be used to evaluate the ability of certain products to resist corrosion by corrosive gases. The test results show that a lot of human, financial and material resources have been saved.
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Product description:

This equipment is used to test the protective layers of electrical and electronic products, electroplating products and various metal products. It is used to assess the ability of materials and their protective layers to resist corrosive gases, and to compare the process quality of similar protection. It is a The artificial simulated gas corrosion test is to use sulfur dioxide gas to accelerate corrosion tests on materials or products under a certain temperature and relative humidity environment to test and compare the degree of damage suffered by the product's protective layer within a certain time range. It can also be used to evaluate the ability of certain products to resist corrosion by corrosive gases. The test results show that a lot of human, financial and material resources have been saved.


Application scope:

This equipment is widely used in aerospace, automobiles and motorcycles, military equipment, electrical and electronics, fire and security, chemical industry and metallurgy, quality inspection and measurement, postal and telecommunications, shipbuilding and railways and other enterprises and institutions as well as universities and scientific research institutions.


Reference standard:

DIN 50018-2013 "Sulfur dioxide corrosion test in saturated environment"

GB/T 2423.33-2005 "Environmental testing of electrical and electronic products Part 2: Test method testing

Kca: High concentration sulfur dioxide test》

GB/T 9789-2008 "Sulfur dioxide corrosion test of metals and other inorganic coatings under normal condensation conditions"

GB 25972-2010 "Gas fire extinguishing systems and components - Sulfur dioxide corrosion test"

QB/T 3830-1999 "Corrosion resistance test method and sulfur dioxide test method for metal coatings and chemical treatment layers of light industrial products"

GB/T 5170.11-2008 Inspection methods for environmental testing equipment for electrical and electronic products Corrosive gas testing equipment

As well as international standards ISO6988-2000, European and American UL639, UL294 and other related standards


Sulfur dioxide test chamber parameters:


Specifications and models:HJ-250 type
Studio size:600×900×500 (mm) (depth×width×height)
temperature range:Room temperature~50℃
Heating rate:0.1~1℃/min
Humidity range:85~98%R·H (display value)
Temperature uniformity:≤±2℃
Temperature fluctuation:≤±0.5℃
Timing range:0-9999 H/M/S (adjustable)
Number of air changes:1 time/day (adjustable)
Gas purity:99%
Gas generation method:cylinder method
Sulfur dioxide gas concentration:0.1~1% (volume percentage)
Air pressure:0.2~0.4mPa
Uniform load-bearing inside:≤100KG
Ambient temperature:Normal temperature~35℃
environment humidity:<75%
Power requirements:AC380V/50HZ
Pre-installed power:9KW (including acid treatment tank power)


Acid treatment tank (exhaust gas treatment device) parameters:


model:HJ-200
Internal dimensions:D600×W600×H550mm
temperature range:Room temperature~60℃
Temperature deviation:≤±2℃
Temperature fluctuation:≤±0.5℃
pH meter display range:0~14
Display range of pH value of waste gas after treatment:6~9
Chemical reagents:Sodium hydroxide of analytical grade, activated carbon and deionized distilled water (prepared by customer)
Gas concentration processing range:0~1% (volume ratio)
Gas detector range:0-200ppm
voltage:AC220V 50HZ
Installed power approx:3KW


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