How to use an oil product copper sheet corrosion tester?

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How to use an oil product copper sheet corrosion tester? 1. After purchasing a copper sheet corrosion tester, first check whether the instrument is damaged and whether it is complete as a set. Then examine whether the fasteners are tight and whether the connectors are properly inserted. Once everything is in order, add water, oil, or a mixture to the bath tank (powering on the device is not possible without a bath solution). 2. Please read the instructions for the temperature controller carefully before turning on the copper sheet corrosion tester. 3. After turning on the copper sheet corrosion tester, set the appropriate temperature value according to the temperature requirements specified in the test method (40, 50, or 100±1°C) by using the “SET” function key on the temperature controller. At the same time, use the dial on the time relay to preset the time value specified in the test method. Turn on the mixing switch, the temperature control heating switch, and the auxiliary heating switch. 4. As the bath temperature rises rapidly at first, the stirring device keeps mixing the bath solution, causing the temperature inside the bathtub to gradually become uniform. When the bath temperature approaches the set temperature (by 1°C), the auxiliary heating system turns off automatically, and the indicator light on the heating switch goes out. Thereafter, the temperature control heating enters a self-tuning mode, and the indicator light starts to flash; after a few cycles, the temperature will stabilize. 5. If the actual value read by the glass thermometer on the copper sheet corrosion tester does not match the value displayed on the temperature controller, adjustments must be made in accordance with the instructions provided for the temperature controller. 6. Once the bath temperature meets the requirements specified in the test regulations, place the test specimen inside the projectile, then hang the projectile on the cover. Next, hang the sealed test projectile on the cover as well and place it into the bath tank; at the same time, turn on the timer to start counting time. When the test time is up, an alarm sounds, and the timer is turned off. At this point, the test specimen should be removed immediately so that the degree of corrosion can be assessed.