Replacement DualSense® Pack of oxygen sensors for the Ventis® Pro. The O2 sensor has a measuring range of 0-30% by volume with a .1% by volume resolution. The DualSense Pack comes with 2 O2 sensors. 4 series sensors can be installed in locations 1 or 2 for the Ventis Pro. (This sensor will not fit or work with Ventis MX4 Series Gas Monitors)

Has your O2 sensor pack failed or has a measuring range that's all over the place? It might be time to replace it. Repair your Industrial Scientific Ventis Pro Multi-Gas monitor by purchasing a new genuine Industrial Scientific (O2) Oxygen Sensors.