Product Description Did your O2 Sensor fail or will it not zero or calibrate? Replace and repair your Industrial Scientific MX6 iBrid Series Multi-Gas monitor with a new Industrial Scientific replacement (O2) Oxygen Sensor. Range: 0-30% vol. Resolution: 0.1% Need some DIY help changing a sensor or just some friendly technical help with repairing your instrument? Call customer service @ 1-800-949-7233. Purchase your new Oxygen Sensor with confidence with quick shipping and free technical support! 1712-4975-3 Reviews 5 All products Posted by Rick Cline on Aug 16th 2017 All products I have received, have been to my expectations. Highest quality and reasonably priced.