The SH6536A Fully‑Automatic Dual‑Tube Distillation Range Tester features a color LCD display with Chinese‑language menu for human‑machine interaction and wizard‑guided operation. The complete test procedure runs fully automatically. Engineered and manufactured to meet GB/T 6536 (Test Method for Distillation of Petroleum Products), ASTM D86, GB/T 7534‑2004 (Test Method for Distillation Range of Industrial Volatile Organic Liquids), GB/T 3146‑1982 (Test Method for Distillation