![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-772T Pump Parts, Kits & Accessories, SENSOR, PYXIS, INLINE OPTICAL DO, 0.004-20.00 PPM. This Pyxis series sensor is an inline optical dissolved oxygen (DO) sensor with a calibration range spanning from 0.004 to 20.00 parts per million (PPM).