![ST-772 Walchem SENSOR, PYXIS, SUBM OPTICAL DO, 0.004-20.00 PPM ST-772 Walchem SENSOR, PYXIS, SUBM OPTICAL DO, 0.004-20.00 PPM](https://cdn11.bigcommerce.com/s-xxofluljba/images/stencil/448x448/products/60977/58940/pyxis-st772__62563__41460.1707730187.png?c=1)
Walchem
Walchem ST-772-P Pump Parts, Kits & Accessories, SENSOR, PYXIS, SUBM OPTICAL DO, CPVC, 20 PPM. This Pyxis series sensor is a submersible optical dissolved oxygen (DO) sensor specifically constructed with chlorinated polyvinyl chloride (CPVC) material and is calibrated for a range of 20 parts per million (PPM).