Purchase Qty. Reference FOB Price
1-19 Pieces US$106.00
20-99 Pieces US$95.00
100+ Pieces US$75.00
Product Description
Waterproof Dissloved Oxygen Sensor with 4-pin Interface Polarography Dissolved oxygen membrane sensor,positive electrode is Silver(Ag),Nagetive electrode is consist of platinum(Pt) or Gold(Au),there are filled with electrolyte between them. The function is Long work life and short responding ...