The instrument is designed and made as per the National Standard GB/11143 “Test Methods for Water Content of Liquid Petroleum Products (Karl Fischer Methods)”. It is suitable to determine water content in the liquid petroleum products by titration using Karl Fischer reagent. Adopt a microprocessor for control, so it has characteristics of rapid determination speed, high precision, LCD display, and automatic print. It also has function of self-diagnostics, menu selection. It is a multifunctional, convenient, and automatic analysis instrument.