As one of the three manual protections, the salt spray test box is an indispensable testing instrument in the laboratory. The equipment is mainly suitable for the salt spray corrosion test of parts, electronic hardware components, protective layers of metal materials and industrial products. The following is the training process for the operation of the salt spray test chamber (the training is performed by the personnel of the commissioning department of Beijing Yashilin Test Equipment Co., Ltd.):
1. The following items should be checked before operation: 1. Whether the power supply and air supply system are installed according to regulations and whether the line switch is connected properly. 2. Whether to add water into the saturated bucket according to the regulations. 3. Whether the water level of the bottom of the test box and the water in the spray isolation tank has reached the position. 4. Is the oxygen exhaust and drainage system installed properly? 5. After checking that everything is normal, you can start the machine for official use.
2. Operation procedures and instructions: 1. Close the lid of the salt spray test box, and inject fresh water into the sealing groove of the box to make the water level higher than the lid of the box to ensure the sealing inside the box. 2. Check whether the connection of exhaust port, drain port and automatic water inlet is normal. 3. Turn on the "Power" and "Operation" buttons in sequence, the display light is on, and preheat. 4. The salt spray box is preheated to: the test box reaches the set value of 35 ± 2 ° C, and the saturated air barrel reaches the set value of 47 ± 2 ° C; then turn on the “spray†button of the air source, the display lamp lights, and the spray pressure gauge requires 1Kg / cm2, when the pressure does not match, you can pull out the pressure adjustment knob to adjust 5) Set the spray time according to the test requirements, and press the "timer" button, the display light is on. 6. For the test with a long continuous spray cycle, check whether the sedimentation amount in the salt mist collector is consistent every 24h / 1 time, the sedimentation amount should be PH value should be 6.5-7.2, if it does not meet the requirements, re-adjust Solution and retest.
3. Operating instructions after the test is completed 1. After the spraying is completed, turn off the "Operation" and "Power" buttons of the test box, cut off the power supply, close the gas valve, and cut off the gas source. 2. Open the lid of the test chamber. Check the settlement of the salt spray collector and the PH value of the collected solution
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