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Electrodes for Process

pH glass electrodes and reference electrodes

  | GA151I | SE23I |

GA151I

  • pH glass electrode for measurements in aqueous solutions
  • measuring in connection with the reference electrode SE23I

SE23I

  • reference electrode for measurements in aqueous solutions
  • measuring in connection with the pH glass electrode GA151I or with ionselective electrodes
  • gel electrolyte and 3 KCl reserve pipes
  • low maintenance
Type GA151I SE23I
Shaft glass, Ø 12 mm glass, Ø 12 mm
Immersion length 120 mm 120 mm
Temperature sensor - -
Membrane shape cylinder -
Reference system - Ag/AgCl
Electrolyte (KCl) - gel (3 M)
Diaphragm - 3 x ceramic
Isopotential point 7.0 ± 0.3 -
pH range 0 ... 14 -
Temperature range -5 ... 80 °C -5 ... 80 °C
Pressure < 6 bar < 6 bar
Minimum conductivity 
of the medium
- 100 µS/cm
Application aqueous solutions aqueous solutions
Electrical connection S8 coaxial plug head with thread PG 13.5 S8 coaxial plug head with thread PG 13.5
Order code GA151I SE23I