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Electrodes for Laboratory

pH combination electrodes

  | EGA121 | EGA131 | EGA133 | EGAT151 |
  | EGA142 | EGA151, EGC151 | EGA161 |
  | EGA184 | EGA186 | EGA81 | OGA201 |

EGA131

  • pH combination electrode for swimming pool and aquarium water
  • robust plastic shaft with integrated pH membrane protection
  • refillable electrolyte

EGA133

  • pH combination electrode for swimming pool and aquarium water
  • robust plastic shaft with integrated pH membrane protection
  • gel electrolyte
Type EGA131 EGA133
Shaft plastic, Ø 12 mm plastic, Ø 12 mm
Shaft length 120 mm 120 mm
Temperature sensor - -
Menbrane shape ball cylinder
Reference system Ag/AgCl Ag/AgCl
Electrolyte (KCl) fluid (3 M) gel (3 M)
Diaphragm 2 x ceramic 2 x ceramic
Isopotential point 7.0 ± 0.3 7.0 ± 0.3
pH range 0 ... 14 0 ... 14
Temperature range -5 ... 80 °C -5 ... 80 °C
Minimum
immersion depth
15 mm 15 mm
Application field measurements, aquarium water, surface water, swimming pools field measurements, aquarium water, surface water, swimming pools
Electrical connection  S7 coaxial lab plug head, fixed cable S7 coaxial lab plug head, fixed cable
Order key EGA131 ... EGA133 ...

EGA121

  • pH combination electrode for pocket meters
  • integrated temperature sensor
  • refillable electrolyte
  • robust plastic shaft
  • with integrated pH membrane protection

EGAT151

  • pH combination electrode for pocket meters
  • integrated temperature sensor
  • refillable electrolyte
  • glass shaft can be cleaned very well
Type EGA121 EGAT151
Shaft plastic, Ø 12 mm plastic, Ø 12 mm
Shaft length 120 mm 120 mm
Temperature sensor Pt1000 or Pt100 or NTC 30 kΩ Pt1000 or Pt100 or NTC 30 kΩ
Menbrane shape cylinder cylinder
Reference system Ag/AgCl Ag/AgCl
Electrolyte (KCl) fluid (3 M) fluid (3 M)
Diaphragm 1 x ceramic 2 x ceramic
Isopotential point 7.0 ± 0.3 7.0 ± 0.3
pH range 2 ... 11 0 ... 14
Temperature range -5 ... 60 °C -5 ... 80 °C
Minimum
immersion depth
15 mm 22 mm
Application field measurements, aquarium water,surface water, swimming pools, waste water, environmental analysis aquarium water, surface water, swimming pools, waste water, environmental analysis
Electrical connection  fixed cable fixed cable
Order key EGA121 ... EGAT151 ...

EGA142

  • pH combination electrode for pocket meters
  • integrated temperature sensor
  • low maintenance
  • robust plastic shaft with integrated pH membrane protection

EGA161

  • pH combination electrode for measurements in low ionic mediums and cosmetics
  • refillable electrolyte
  • flexible sleeve junction
Type EGA142 EGA161
Shaft plastic, Ø 12 mm glass, Ø 12 mm
Shaft length 120 mm 120 mm
Temperature sensor Pt1000 or Pt100 or NTC 30 kΩ -
Menbrane shape cylinder cylinder
Reference system Ag/AgCl Ag/AgCl
Electrolyte (KCl) gel (3 M) fluid (3 M)
Diaphragm 2 x ceramic flexible sleeve junction
Isopotential point 7.0 ± 0.3 7.0 ± 0.3
pH range 0 ... 14 0 ... 14
Temperature range -5 ... 80 °C -5 ... 80 °C
Minimum
immersion depth
15 mm 32 mm
Application field measurements, aquarium water, surface water, swimming pools, waste water, environmental analysis low ionic mediums, cosmetics
Electrical connection  fixed cable S7 coaxial lab plug head, fixed cable
Order key EGA142 ... EGA161 ...

EGA151, EGC 151


EGA151:
  • pH combination electrode for general application in laboratory and beverage industry
  • refillable electrolyte
  • glass shaft can be cleaned very well
EGC 151:
  • pH combination electrode for measurements in hot (100 °C) mediums with extreme pH values
  • refillable electrolyte
  • glass shaft can be cleaned very well
Type EGA151 EGC151
Shaft glass, Ø 12 mm glass, Ø 12 mm
Shaft length 120 mm 120 mm
Temperature sensor - -
Menbrane shape cylinder cylinder
Reference system Ag/AgCl Ag/AgCl
Electrolyte (KCl) fluid (3 M) fluid (3 M)
Diaphragm 1 x ceramic 1 x ceramic
Isopotential point 7.0 ± 0.3 7.0 ± 0.3
pH range 0 ... 14 0 ... 14
Temperature range -5 ... 80 °C -5 ... 100 °C
Minimum
immersion depth
22 mm 22 mm
Application aquarium water, beverages, environmental analysis hot (100 °C) mediums with extreme pH values
Electrical connection  S7 coaxial lab plug head, fixed cable S7 coaxial lab plug head, fixed cable
Order key EGA151 ...

OGA201

  • pH combination electrode for measurements on surfaces, e. g. paper
  • flat membrane

EGA81

  • pH combination electrode for penetration measurements in soil
  • spear membrane
Type OGA201 EGA81
Shaft glass, Ø 12 mm glass, Ø 12 mm
Shaft length 120 mm 120 mm
Temperature sensor - -
Menbrane shape flat spear
Reference system Ag/AgCl Ag/AgCl
Electrolyte (KCl) fluid (3 M) fluid (3 M)
Diaphragm 1 x ceramic 3 x ceramic
Isopotential point 7.0 ± 0.3 7.0 ± 0.3
pH range 2 ... 11 0 ... 14
Temperature range -5 ... 60 °C -5 ... 80 °C
Minimum
immersion depth
2 mm 22 mm
Application pH measurements on surfaces, e. g. paper viscous mediums, samples of soil
Electrical connection  S7 coaxial lab plug head, fixed cable S7 coaxial lab plug head, fixed cable
Order key OGA201 ... EGA81 ...

EGA184

  • pH combination electrode for penetration measurements in meat and cheese
  • internal gel electrolyte (a measurement is possible in every position)
  • spear membrane

EGA186

  • pH combination electrode for measurements in small volumes
  • shaft diameter: 6 mm
  • refillable electrolyte
Type EGA184 EGA186
Shaft glass, Ø 12/6 mm glass, Ø 12/6 mm
Shaft length 120 mm 170 mm
Temperature sensor - -
Menbrane shape spear cylinder
Reference system Ag/AgCl Ag/AgCl
Electrolyte (KCl) gel (3 M) fluid (3 M)
Diaphragm 2 x ceramic 2 x ceramic
Isopotential point 7.0 ± 0.3 7.0 ± 0.3
pH range 2 ... 11 2 ... 11
Temperature range -5 ... 60 °C -5 ... 60 °C
Minimum
immersion depth
15 mm 15 mm
Application penetration measurements in food small volume samples
Electrical connection  S7 coaxial lab plug head, fixed cable S7 coaxial lab plug head, fixed cable
Order key EGA184 ... EGA186 ...