We are currently recording instructional videos in which we present our products and explain how to perform maintenance. The first 3 instructional videos are now available on our website. These videos give information about:

         1. The 2 handheld ORP meters that we offer.

         2. Refilling the reference electrode (with 3 M KCl gel).

1. 3. Polishing the Platina electrodes of the soil Redox probes.

Watch them on https://swapinstruments.com/support/instructional-videos! More instructional videos will follow.

Feel free to contact us at info@swapinstruments.com for questions about our products.