Envsin 40KW Air Cooled Cyclic Corrosion Test Chamber Cold Rolled Steel
H2S,SO2,NO2,CI2 Cyclic Gas Test Chamber Gas Corrosion Testing Equipment
The gas test chamber can meet the hydrogen sulfide, sulfur dioxide, chlorine gas, nitrogen dioxide test and other environmental test results; According to the requirements of the test, the accelerated corrosion of the material or product is carried out to test the damage degree of the material or product in a certain time range, so as to assess the corrosion resistance of the material and its protective layer.
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Gas Test Chamber Technical Parameters (Product Model:EQF2330)
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Temperature test
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Temperature range:20℃~+45℃
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Remark:
1. Test in accordance with GB/T2423 and IEC60068 under empty chamber
condition (except indicated).
2. The test data of the water-cooled test chamber are under the conditions that the water temperature is less than 28, the water pressure is between 0.3Mpa and 0.6Mpa, and the water pressure difference between inlet and outlet is more than 0.2Mpa.
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| Temperature uniformity:≤2.0℃ | ||
| Temperature deviation:≤±2.0℃ | ||
| Temperature fluctuation:≤±0.5℃ | ||
| Temperature rate:≥1℃/min | ||
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Temperature and humidity climatic test
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Humidity temperature control range:20℃~+50℃ Humidity range:50%RH~85%RH |
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| Humidity uniformity:±5.0%RH | ||
| Humidity deviation: +2.0%~3%RH(>75%RH)±5%R.H(≤75%RH) | ||
| Humidity fluctuation:±5.0%RH | ||
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Gas concentration |
5ppb~30ppm | |
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The deviation of gas concentration in the chamber shall not exceed 10% of the set concentration, Concentration uniformity deviation of 10% |
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| The empty chamber operation request meets the IEC60068-2-60 standard | ||
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Gas concentration measurement |
By calculating the volume ratio and then through the mass flowmeter measurement |
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On load capacity |
500W,The temperature can be stable, the chamber body is not deformed
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Noise
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Working noise ≤70dB (measured at 1 meter away from the test chamber) | |
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Wind speed
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≤1.7m/s | |
| Gas flowmeter | H2S,SO2,NO2,CI2 | |
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GB/T 2423.1-2001 / (IEC60068-2-1:2007)
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Test A: Low temperature test method
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GB/T 2423.2-2001 / (IEC60068-2-2:2007)
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Test B: High temperature test method
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GB/T 2423.3-2006 / (IEC60068-2-78:2007)
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Test Cab: Constant humidity and heat test
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GB/T 2423.4-2008 / (IEC60068-2-30:2005)
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Test Db: alternating humidity and heat test
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GJB 150.3-1986 / GJB 150.3A-2009
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High-temperature test
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GJB 150.4-1986 / GJB 150.4A-2009
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Low temperature test
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GJB 150.9-1986 / GJB 150.9A-2009
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Thermal-humidity test
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IEC60068-2-60
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Test Method KE: Man-made low concentration pollution gas corrosion test
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GB/T2423.51-2000
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Environmental testing of electrical and electronic products Test KE: Flow mixed gas corrosion test
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Operating Principle
Gas test chamber design two sets of boxes, external temperature and humidity air conditioning cabinet + sample room. The air conditioning system has refrigeration system, heating system, humidification system, mixed gas inlet, exhaust gas discharge filter and other devices.
Before diluting corrosive gases are mixed, the air conditioning system creates the test temperature and humidity in the chamber outside the sample room. When the temperature and humidity are constant, the gas is input at the same time. The gas concentration is measured by calculating the volume ratio formula, and then the mass flowmeter is used for effective control, so that it reaches the specified range. In the gas test chamber, the gas is mixed evenly through the fan.
Wet air into the sample chamber
The air in the sample room is discharged by pumping, so that a low pressure is formed in the sample room. Compared with the space in the sample room outside the gas test chamber, the wet air in the sample room outside is pumped into the sample room through the pipe. By recording the data, the flow rate of the air extracted from the sample chamber can be adjusted to obtain the specified number of gas volume changes per hour.
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