The Automatic Distillation Apparatus is a sophisticated benchtop device engineered for precisely assessing the distillation range of petroleum-based substances. Boasting remarkable precision, it achieves a temperature measurement accuracy of ± 0.1 ⁰C and a volume accuracy of ± 0.1 ml, ensuring dependable results. This innovative apparatus incorporates a mechanically refrigerated cooling tube and a dedicated cylinder room, optimizing its operational efficiency. Its user-friendly design features a generously sized LCD display, simplifying operation and enhancing user convenience. In essence, the Automatic Distillation Apparatus stands as a cutting-edge solution for the petroleum industry, streamlining the distillation range determination process with unparalleled accuracy and ease of use.