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).
Key Benefits:
- 0.004-20 mg/l measurement range
- Simple DO membrane cartridge replacement every 2 years
- Extremely scratch-resistant membrane
- Accurate and stable measurement – no calibration for up to 2 years