Electrodes for Laboratory
| EGA142 | EGA151, EGC151 | EGA161 |
| EGA184 | EGA186 | EGA81 | OGA201 |
pH combination electrodes
| EGA121 | EGA131 | EGA133 | EGAT151 || EGA142 | EGA151, EGC151 | EGA161 |
| EGA184 | EGA186 | EGA81 | OGA201 |
EGA131
|
EGA133
|
|
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
|
EGAT151
|
|
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 | 1 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
|
EGA161
|
|
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:
|
||
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
|
EGA81
|
|
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
|
EGA186
|
|
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 ... |