Veris Technologies EC Force Probe - Operating Instructions - Manual (Page 32)

OM17-P4000 Force/EC
7-3
Fuse Replacement
The fuse for the auxiliary case protects the voltage for the electrical conductivity board
and the lamp. To replace the fuse open the case and locate the black fuse holder
Figure 2 Internal wiring of auxiliary case
Fuse holder. Replace only with a
4-amp fuse.