The model thy-21ce installs a large lcd screen display english characters of each function, convenient to read various data.A micro printer can print the test result for saving data.The analyzer has a dual function of dc and ac, in no man operation will shut down automatically;when ac power work can charge. Main functions: 1.Rapid test water percentage and contaminants of lube oil within 3 minutes; 2.Detecting whether have metal particles in lube oil beyond 60 micron. 3.Determining the new purchased lubricant is qualified or not. 4.Printing the result after finishing the detecting.