The walk-in high and low temperature impact test chamber is widely used in industries such as electronic appliances, military industry, plastics, hardware, chemical industry and other industries, such as: electronic parts, automotive parts, notebooks and other products virtual climate environment testing.
And work adaptability. Test equipment TH-capacity walk-in high and low temperature impact test chamber test conditions
1. High temperature storage test of walk-in high and low temperature impact test box
1. The test temperature is 70 ℃ or according to the relevant standards or technical documents.
2. The test time is 48h or according to relevant standards or technical documents.
3. Test relative humidity is not greater than I5%
2. High temperature working test
1. The test temperature is the maximum working environment temperature of the test sample.
2. The test time is the time for the test sample to reach temperature stability in the non-working state, and then start the test sample to work until the temperature of the test sample reaches stability or work according to the relevant standards or technical documents.
Cabinet requirements:
1. The test chamber (room) should be equipped with a sensor pusher for monitoring the test conditions. To maintain the uniformity of the test conditions, forced air circulation can be used, but the air velocity around the test sample should not exceed 1.7 m / s. To prevent unrealistic (cold or heat) conduction in the test sample.
2. If there are no other regulations, the tolerance of the test conditions shall comply with the provisions of Article 3.2 of GJB150.1-86.
3. The absolute humidity in the test chamber (room) does not exceed 20g / m3 (equivalent to 50% relative humidity at 35 ° C).
4. In order to limit radiation, the difference between the temperature of the inner wall of the test chamber and the test temperature does not exceed 3% of the test temperature (calculated according to K value). Withstand any other heating and cooling factors that do not meet this requirement.
5. If there are no other regulations, the temperature change rate should not exceed 10 ℃ / min.
Reference standard: GJBI50.1-86 "General Principles of Environmental Test Methods for Military Equipment"
This standard applies to military equipment that may encounter high temperature environments. It is not suitable for military equipment under high temperature environment that causes uneven heating and photochemical effects under solar radiation. The equipment encountered in this environment should be evaluated according to GJB150.7-86 (Military Equipment Environmental Test Method Solar Radiation Test). The purpose of the test is to determine that the military equipment is stored under high temperature conditions
The standard clauses of the company's product quality are implemented. The warranty period is 12 months. During the warranty period, if the product fails, our company will immediately reply to the user's phone or fax or send a maintenance person within 4 hours for free maintenance , Provide lifetime maintenance services.
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