Coulometric (coulometry) principle; 5.7-inch display with keypad operation and automatic calculation; measuring range 1 ppm–100%; 200 automatically stored results with history query at any time; complies with multiple national standards and suits virtually every industry.

Jiangxi People Power Transmission & Transformation Co., Ltd., located in Nanchang, Jiangxi, is a wholly owned company of People Electric Appliance Group with total investment of RMB 1.8 billion and over 1,000 mu of land—one of the state's key power equipment enterprises. It mainly develops and manufactures power transformers up to 500 kV, dry-type transformers, amorphous alloy transformers and box-type substations, as well as special rectifier transformers up to 330 kV. Its products are widely used in the State Grid, transportation, urban construction, petrochemical, metallurgical and mining projects, featuring short-circuit resistance, low loss, low noise, low emissions, low temperature rise and leak-free operation, with all indicators at internationally advanced levels. The customer purchased our WKT-A3 moisture analyzer. The WKT-A3 "Vision" Karl Fischer trace moisture analyzer uses the coulometric Karl Fischer principle to rapidly determine trace moisture down to 1 ppm in solids, liquids and powders within one minute, with built-in printing. Compliant with multiple national and international moisture determination standards, the WKT-A3 includes eight moisture calculation formulas and six measurement methods for all industries, and is widely used in chemical, petroleum, pharmaceutical, power, food, research and testing sectors.