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The description of the standards in the Japanese standard rain test chamber
The standard to be met in the Japanese standard rain test chamber is "JISD0203-1994 Test Method for Moisture Resistance and Water Resistance of Auto Parts", which is applicable to the test method for moisture resistance and water resistance of auto parts.
Test type |
mark |
The purpose of the Japanese standard rain test chamber test |
Moisture test |
M1 |
Investigate the relative humidity performance of the parts. |
M2 |
Investigate the performance of parts under high temperature and high humidity conditions. |
|
Sprinkler test |
R1 |
Investigate the performance of parts in contact with water droplets. |
R2 |
Investigate the performance of parts under indirect exposure to wind, rain or splashing water. |
|
Water spray test |
S1 |
Investigate the performance of parts under indirect exposure to wind, rain or splashing water. |
S2 |
Investigate the performance of parts under strong water conditions. |
|
Water immersion test |
D1 |
Investigate the performance of parts under temporary water immersion. |
D2 |
Investigate the performance of parts that are often immersed in water or parts that are completely waterproof. |
|
D3 |
Investigate the performance of special-purpose waterproof parts. |
The test method of the Japanese standard rain test box: test the specified Japanese standard rain test box, install the test piece under the normal use state, and conduct the test under the following conditions to investigate the moisture resistance, water resistance, drainage or performance of the parts Changes and so on.
Test type |
Water pressure (gauge pressure) at the sprinkler orifice MPa |
The size of the sprinkler orifice |
Number of sprinklers or sprinklers |
Total water discharge 1/min (minimum) |
Water temperature
°C
|
Wetting conditions |
Temperature difference between test piece and water (1)°C
|
Test time |
operating |
M1 |
- |
|
|
|
Approximately 32 |
Mixed atmosphere of air, water droplets and water vapor |
- |
8h |
Rotate the test piece around the horizontal axis at a rate of 1.5 revolutions per minute |
M2 |
0.01 |
|
|
|
About 60 |
|
- |
1h |
- |
R1 |
0.01 |
Refer to Figure 1 |
2 |
|
Room temperature |
|
- |
10min |
Refer to note 1 |
R2 |
0.003 |
Refer to Figure 1 |
2 |
|
Room temperature |
|
- |
10min |
|
S1 |
0.10 |
φ1.2 |
40 |
|
Room temperature |
|
- |
30min |
|
S2 |
0.03 |
φ1.2 |
40 |
|
Room temperature |
|
- |
1h |
|
D1 |
- |
|
|
|
reference
Remark 2
|
|
- |
5min |
Immerse to the upper surface of the specimen |
D2 |
- |
|
|
|
|
|
|
10min |
Immerse the upper surface of the specimen to the depth of 100mm |
D3 |
- |
|
|
|
|
|
|
10min |