Q: What is the difference in the consumables used in each model? 
A: Analyzers have been designed to use specific consumables due to model parameter, range, and different features. Please contact Waltron if you have a specific question at sales@waltron.net or visit our website to view detailed manuals for each analyzer, which cover how the consumables work.

Q: How often should I replace electrodes / sensors? 
A: These items are warrantied for 6 months and are supplied with the recommended usage procedures as per manuals of the analyzers they work with. They will last anywhere from 6 months (with proper use) to 2 years depending on certain factors.