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A simple test can consist of only two cycles: salt spray and dryness. It can be cycled between three functions: salt spray, dry and wet.
Q corrosion test chamber For more complicated test cycles, it is convenient to use the user-friendly controller to carry out the cycle test program setting, which can realize most important corrosion test methods. The temperature of the material/material pressure tank must be kept at 47±1. °C, the temperature of the brine tank is 35±1 °C;
The amount of spray liquid is calculated over the entire time. On the container, an average of 1.0 to 2.0 ml of saline solution should be collected per hour. The spray liquid should be collected for at least 16 hours, and the spray amount should be obtained by the average value.
The relative humidity of the laboratory shall be maintained above 85%;
Ensure that the power source, water source and gas source are normal;
Step / Method Connect the external power supply and air source of the salt spray machine to check whether the automatic water supply valve is open, whether the pressure tank and the test tank drain valve are closed, and check whether the intake pressure gauge reaches 2Kg.
Observe the control panel to indicate whether there is low water level and low salt water red light and alarm sound - when adding water and adding salt water to eliminate the lighting and alarm failure (dissolve the reagent grade chloride in distilled water (or the total dissolved solids is less than In water below 200ppm), it is formulated into a test solution with a concentration of 5±1%)
Place the test item in the test box (the main surface of the sample is inclined from 15 to 30 degrees from the vertical line), and adjust the test product to test the time - adjust the timer (if it is a B type salt spray machine) Product testing requirements are given to the preparation of the spray time program)
Turn on the power supply on the operation panel of the salt spray machine, turn on the control panel switch when the operation switch is turned on (the B-type salt spray machine is simultaneously turned on to make the control switch), and turn on the spray switch to control the pressure gauge on the plate. The spray pressure should be set to 1Kg. The salt spray machine spray work begins;
Precautions: Maintenance of pressure tanks, test chambers, salt water tanks and nozzles once a month;
How to operate the salt spray test chamber
A simple test can consist of only two cycles: salt spray and dryness. It can be cycled between three functions: salt spray, dry and wet. Corrosion test chambers can be easily cycled with the help of a user-friendly controller for more complex test cycles...