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Technical Data of pH- and redox
combination electrodes

  | pH combination electrodes | redox combination electrodes |

  All combination electrodes which are shown in the following
  table are equipped with a Ag/AgCl reference electrode.
[-]
pH combination electrodes
type shaft
material
shaft length
(standard)
in mm
shaft diameter
(mm)
shaft diameter
below (mm)
temperature
sensor
membrane
shape
reference
electrolyte (KCl
concentration)
diaphragm      number of
diaphragms
pH range temperature
range (°C)
pressure
(bar)
sample: minimum
conductivity
(µS/cm)
minimum
immersion
depth (mm)
EGA121 plastic 120 12 12 yes cylinder fluid (3M) ceramic 2 2 ... 11 -5 ... 60 pressureless 100 15
EGA131 plastic 120 12 12 no ball fluid (3M) ceramic 2 0 ... 14 -5 ... 80 pressureless 100 15
EGA133 plastic 120 12 12 no cylinder gel (3M) ceramic 2 0 ... 14 -5 ... 80 < 6 100 15
EGA133 plastic 120 12 12 no cylinder gel (3M) ceramic 2 0 ... 14 -5 ... 80 < 6 100 15
EGA142 plastic 120 12 12 yes cylinder gel (3M) ceramic 2 0 ... 14 -5 ... 80 pressureless 100 15
EGA150 glass 120 12 12 no cylinder gel (3M) ceramic 1 0 ... 14 -5 ... 80 < 6 100 22
EGAT150 glass 120 12 12 yes cylinder gel (3M) ceramic 2 0 ... 14 -5 ... 80 < 6 100 22
EGA151 glass 120 12 12 no cylinder fluid (3M) ceramic 1 0 ... 14 -5 ... 80 pressureless 100 22
EGAT151 glass 120 12 12 yes cylinder fluid (3M) ceramic 2 0 ... 14 -5 ... 80 pressureless 100 22
EGA153 glass 120 12 12 no cylinder gel (3M) ceramic 3 0 ... 14 -5 ... 80 < 6 100 22
EGA161 glass 120 12 12 no cylinder fluid (3M) flexible sleeve
junction
1 0 ... 14 -5 ... 80 pressureless 20 32
EGA161 glass 120 12 12 no cylinder fluid (3M) flexible sleeve
junction
1 0 ... 14 -5 ... 80 pressureless 20 32
EGA173 glass 120 12 12 no cylinder gel (3M) ring-shaped
sleeve junction
1 0 ... 14 -5 ... 80 < 6 50 27
EGAT173 glass 120 12 12 yes cylinder gel (3M) ring-shaped
sleeve junction
1 0 ... 14 -5 ... 80 < 6 50 27
EGA184 glass 120 12 6 no spear gel (3M) ceramic 2 2 ... 11 -5 ... 60 pressureless 100 15
EGA186 glass 170 12 6 no cylinder fluid (3M) ceramic 2 2 ... 11 -5 ... 60 pressureless 100 15
EGA233 plastic 120 12 12 no cylinder gel (3M) ceramic 2 0 ... 14 -5 ... 80 < 6 100 15
EGA81 glass 120 12 12 no spear fluid (3M) ceramic 3 0 ... 14 -5 ... 80 pressureless 100 22
EGC151 glass 120 12 12 no cylinder fluid (3M) ceramic 1 0 ... 14 -5 ... 100 pressureless 100 22
EGC151I/S glass 120 12 12 no cylinder fluid (saturated) ceramic 1 0 ... 14 -5 ... 100 pressureless 100 22
EGS150I glass 120 12 12 no ball pressurized gel, with KCl reserves ceramic 1 0 ... 14 0 ... 140 vacuum < 10 100 22
OGA201 glass 120 12 17 no flat fluid (3M) ceramic 1 2 ... 11 -5 ... 60 pressureless 100 2


[-]
redox combination electrodes
type shaft
material
shaft length
(standard)
in mm
shaft diameter
(mm)
metall electrode reference
electrolyte (KCl
concentration)
diaphragm      number of
diaphragms
measuring
range (mV)
temperature
range (°C)
pressure
(bar)
sample: minimum
conductivity
(µS/cm)
minimum
immersion
depth (mm)
EMC133 plastic 120 12 platinum disc gel (3M) ceramic 2 ±2000 -5 ... 80 < 6 100 15
EMC133 plastic 120 12 platinum disc gel (3M) ceramic 2 ±2000 -5 ... 80 < 6 100 15
EMC173 glass 120 12 platinum disc gel (3M) ring-shaped
sleeve junction
1 ±2000 -5 ... 80 < 6 50 17
EMC30 glass 120 12 platinum disc fluid (3M) ceramic 1 ±2000 -5 ... 80 < 6 100 12
EMC33 plastic 120 12 platinum disc gel (3M) ceramic 1 ±2000 -5 ... 80 < 6 100 12