This is a replacement SO2 electrode manufactured by Vinmetrica for their SO2 analyzer. While the SO2 analyzer kit comes with a electrode, they can be sensitive, and if damaged, it may need to be replaced. Hopefully this doesn't happen, but if it does, this is the replacement you need! Please note that this version is the most current version of the probe and has been in use by Vinmetrica on their analyzers for the past three years. If you have an older model, you may need an electrode with a different style plug.
Caution: ALWAYS use eye protection and gloves (laytex or nitrile) when using glassware and chemical reagents. We recommend wearing long sleeves, pants and closed toed shoes (no sandals).