ZC-219 automatic water-soluble acid analyzer is designed for measuring transformer oil, turbine oil , fuel oil and other petroleum products, anti- water-soluble acid (pH) of . High degree of automation equipment , just like oil and water injection in accordance with the standard provisions , the instrument will be in strict accordance with the provisions of the order of standard heating , vibration, water separation, extraction double water samples were added to the two indicator ( bromocresolbromocresol green and purple ) , the color , colorimetric measurement , display and print the measurement results .