Yokogawa
SM21-AG4
Industrial Electrodes for pH/Redox
Dome shaped membrane for “Heavy Duty” applications
Wide range of electrodes to suit almost all process conditions
Color codes strips for easy identification of electrodes and cables
Reference sensors with a junction made of ceramic, PTFE, pNa glass or Zirconium
SM21-AG4
A = Ag/AgCl (silver-silverchloride)
G = Universa
4 = Ball (shockproof)