Precautions for using salt spray test chamber

Improper preparation of the salt spray test chamber before use will cause great damage to the instrument and also affect the test results. Therefore, pay attention to the following operations when using the salt spray test chamber: 　　 1. Add enough distilled water or deionized water to the heating water tank at the bottom of the salt spray test chamber to prevent the cabinet from cracking and aging during heating.　　2. Appropriate amount of distilled water or deionized water should be injected into the water sealing tank of the tank, and it should not be too full or too small. It is better that neither water nor salt spray overflows when the tank cover is closed. 3. Inject distilled water or deionized water into the atmosphere full follower (stainless steel barrel), open the air valve and full follower water valve before filling, and wait until the water level is 4/5 of the water level glass box, and the water level is up. When delimiting the water level, the bleed valve must be closed, and the water filling valve of the saturator must be closed at the same time. Do a temporary test. The water evaporator consumes the moisture of the full heel. When the water level drops to 2/5, water should be added in time to prevent the heating tube from burning due to lack of water, and the full heel and external heating door components will be damaged.　　 4. Check whether the water pipe between the water storage tank and the sprayer in the task room is firmly connected, and then pour the prepared salt solution (individually prepared at a concentration of 5%) into the water storage tank.　　5. Check the mist discharge state of the mist discharge pipe at the rear of the salt spray test chamber; whether the air pipe is unobstructed and whether the outlet can be connected to the sewer; whether the pipeline is blocked to avoid affecting the discharge of salt spray.　　6. u200bu200bSet up the funnel outside the box and check whether the connecting pipe between the funnel and the mist collector is smooth.　　7. Check the connection pipe between the air source and the saturator, and whether the connection pipe between the air source and the sprayer is firm to avoid gas overflow or lack of gas supply.　　 8. Open the lid of the salt spray test box and place the sample accurately on the sample rack in the task room (10% distance from the inner wall of the surrounding walls), and keep a distance between the sample and the sample.

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