https://sikoflow.en.made-in-china.com/product-group/qbefwFCErPUI/HG-MCS-Moisture-Content-Sensor-1.html
HG-MCS Moisture Content Sensor - Hefei Siko Instruments Co., Ltd. - page 1.
China HG-MCS Moisture Content Sensor catalog of Hg-Mcs Transformer Oil Moisture Content Meter Water in Oil Analyzer, Oil Moisture Content Ppm Analyzer Lube Oil...
moisture content sensor