ST-1553 fully automatic water-soluble acid analyzercomply withGB/T7598This instrument is mainly used forPetroleum products such as turbine oil, fire-resistant oil, and transformer oil are water-soluble acids（Determination of pH value. The instrument has a high degree of automation. After injecting the oil sample and water according to the standard regulations, the instrument will strictly follow the order specified in the standard to perform heating, oscillation, oil-water separation, draw double water samples, add two indicators (bromocresol green and bromocresol purple), color development, colorimetric determination, display and print the measurement results.Widely used in petroleum, chemical, power, environmental protectionUniversities, scientific research, commercial inspectionMedical and other departments.