![Spare Electrode for Conductivity and TDS testers](https://cdn11.bigcommerce.com/s-l8qlnhq2eh/products/4665/images/10092/spare-electrode-ec-tds-hi73311__21674.1570300061.1280.1280.jpg?c=2)
![Spare Electrode for Conductivity and TDS testers](https://cdn11.bigcommerce.com/s-l8qlnhq2eh/products/4665/images/10092/spare-electrode-ec-tds-hi73311__21674.1570300061.220.290.jpg?c=2)
HI73311
Spare Electrode for Conductivity and TDS testers
$74.99Spare Amperometric Graphite Conductivity (EC) and TDS Electrode for HI98311 & HI98312 testers.
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Keep extra testing supplies on-hand
![84 µS/cm Conductivity Standard in Light Block Bottle (500mL)](https://cdn11.bigcommerce.com/s-l8qlnhq2eh/products/4752/images/9475/hi6033__25514.1559321279.1280.1280__91050.1568986554.386.513.jpg?c=2)
![DiST® 5 EC/TDS/Temperature Tester (0 to 3999 µS/cm, 0 to 2000 ppm)](https://cdn11.bigcommerce.com/s-l8qlnhq2eh/products/5116/images/8851/dist-5-tds-tester-straight-hi98311__76815.1566927275.386.513.jpg?c=2)
![DiST® 6 EC/TDS/Temperature Tester (0.00 to 20.00 mS/cm, 0.00 to 10.00 ppt)](https://cdn11.bigcommerce.com/s-l8qlnhq2eh/products/5148/images/8847/dist-6-tds-tester-hi98312__85182.1566927080.386.513.jpg?c=2)
![Replacement Tool for Electrode Removal](https://cdn11.bigcommerce.com/s-l8qlnhq2eh/products/4638/images/10085/replacement-tool-electrode-removal-hi73128__65201.1570299510.386.513.jpg?c=2)