odm water quality analyzer online manufacture

TDS/EC/PH/TEMP Water Detector Water Test Pen OVERVIEW 1. Convenient, efficient and accurate. 2. LCD digital display, easy to read. 3. Auto shut-off after 10 minutes non-use. 4. Long battery life. 5. Many kinds ... Read More

PH010 Newest Water Quality Measurement Tool PH Pen OVERVIEW Based on the old model PH water test pen ,the new model changed the switch, add automatic Startup & Shutdown function, and program optimization, etc. ... Read More