The 5000 series of Electrode Holders and accessories are designed for installation in a25mm socket with R 1 ¼” threaded ports commonly used in Fermenters.
The series includes
25 mm Weld ON Socket for welding to the Fermenter side wall
25mm Dummy socket to plug a 25mm port
25mm socket mounted pH Electrode holder
25 mm Socket mounted Thermowell for Temperature sensor