SH108B Automatic Diesel Oil Acidity Tester is designed and manufactured in compliance with GB/T 264‑1983 Determination of Acid Value of Petroleum Products, GB/T 7599‑1987 Determination of Acid Value of In‑Service Transformer Oil and Turbine Oil (BTB), and GB/T 258 Test Method for Acidity of Gasoline, Kerosene and Diesel Oil. It also meets the requirements of GB/T 4945 and ASTM D974. Equipped with a true‑color LCD touch‑screen and full‑Chinese human‑machine dialogue interface,