This video explains the main functions and practical uses of the SH7550 Crude Oil Wax Content Tester in a clear, step-by-step format. Watch as we demonstrate how this specialized instrument performs wax content analysis according to SY/T-7550 standards for low-moisture crude oil samples. You'll see the adsorption unit, dewaxing & filtration system, and four-well refrigeration tank in operation, plus learn about temperature control precision and workflow requirements for accurate petroleum testing.