The pour point and freezing point tester realizes the automatic analysis of samples. It is characterized by fast test speed, accurate results, good repeatability, stability and reliability, and easy operation. It can automatically measure the freezing point or pour point of light diesel oil, various lubricating oils and other petroleum products. During the test, only a small amount of samples are taken. During the cooling process of the program, automatic detection is implemented, and the test results are printed directly. What should we pay attention to in the process of using it?
Notes for pour point tester:
Do not use the water pressure switch in a short circuit to prevent the cold plate from being burnt out by starting the refrigeration in the absence of water. When cleaning, only the oil sample to be tested can be used for washing. After a period of time, if the oil cup and oil pipe are hung on the wall, the oil can be removed. After each oil sample is made by the freezing point tester, the temperature of the cold core itself and the surrounding insulation materials should rise to about 10 °C higher than the freezing point, and then inject the oil sample for the second test, especially after the completion of the test. After the low freezing point oil, the test of the high freezing point oil should be carried out, and the temperature of the cold core should be recovered.
After long-term use, if it is found that the oil nozzle still leaks after the solenoid valve is closed, the oil plug rubber on the solenoid valve should be replaced immediately, otherwise it will affect the cooling effect and the test accuracy and repeatability. If it does not light up, you need to scrub the oil in the optical path system. After the test, the oil cup cover should be fastened to prevent the dirt from falling into the oil cup.