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Main -> Measuring systems -> Electrochemistry -> pH electrodes, buffer solutions, accessories
pH/Redox Electrodes, Meinsberg

pH and redox combination electrodes of standard design (120 mm stem length; stem-Ø 12 mm), Ag/AgCl reference system, lab plug head S7-system or 1 m of fixed cable with DIN plug.

Standard pH combination electrodes with glass stem

General purpose laboratory use

ArticleOrder No.
EGA 151 L: pH 0 – 14; -5 – 80°C61 90 70151

Liquid electrolyte 3 mol/l KCI (refillable), lab plug head S7-system
(1)EGA 151-K010-D: as EGA 151 L, but with fixed cable + DIN plug61 90 71151
(2)EGA 173 L: pH 0 – 14; -5 – 80°C61 90 70173

Ring-shaped glass sleeve junction, gel electrolyte (low-maintenance), lab plug head S7-system
EGA 173-K010-D: as EGA 173 L, but with fixed cable + DIN plug61 90 71173


pH combination electrode with glass sleeve junction

Specially for suspensions, partially aqueous samples and low-ion media

ArticleOrder No.
(3)EGA 161 L: pH 0 – 14; -5 – 80°C61 90 70161

Liquid electrolyte 3 mol/l KCI (refillable), lab plug head S7-system
EGA 161-K010-D: as EGA 161 L, but with fixed cable + DIN plug61 90 71161


pH combination electrode with penetration membrane

Specially for penetration measurements in meat, cheese, etc.

ArticleOrder No.
(4)EGA 184 L: pH 2 – 11; 0 – 60°C61 90 70184

Penetration Ø 6 mm, gel electrolyte (low-maintenance), lab plug head S7-system
EGA 184-K010-D: as EGA 184 L, but with fixed cable + DIN plug61 90 71184


pH combination electrode with plastic stem

General purpose use, particularly in the water and waste water sector

ArticleOrder No.
(5)EGA 133-K010-D: pH 0 – 14; -5 – 80°C61 90 70133

Gel electrolyte (low-maintenance), fixed cable


pH combination electrode with temperature probe and glass stem

Specially for temp.-compensated measurements with lab pH meters

ArticleOrder No.
(6)EGA 141-X-K010-DH with Pt 1000: pH 0 – 14; -5 – 80°C61 90 70141
EGA 141-Z30-K010-DH with NTC 30 kΩ; pH 0 – 14; -5 – 80°C61 90 71141

Liquid electrolyte 3 mol/l KCI (refillable), 1 m fixed cable with DIN plug and 4 mm banana plug


pH combination electrode with temperature sensor and plastic stem

Specially for temperature-compensated measurements with hand units

ArticleOrder No.
(7)EGA 142-X-K010-DH with Pt 1000: pH 0 – 14; -5 – 80°C61 90 70142
EGA 142-Z30-K010-DH with NTC 30 kΩ; pH 0 – 14; -5 – 80°C61 90 71142

Gel electrolyte (low-maintenance), fixed cable 1 m with DIN plug and 4 mm banana plug


Micro pH combination electrode with conical membrane

Specially for small sample volumes

ArticleOrder No.
(8)EGA 801-K010-D: pH 2 – 11; 0 – 60°C61 90 70801

Liquid electrolyte 3 mol/l KCI (refillable), stem Ø 6 mm, fixed cable


Standard redox combination electrodes with glass stem

General purpose laboratory use

ArticleOrder No.
(9)EMC 30 L: platinum tip Ø 6 mm; -5 – 80°C61 90 70300

Liquid electrolyte 3 mol/l KCI (refillable), lab plug head S7-system
EMC 30-K010-D: as EMC 30 L, but with fixed cable + DIN plug61 90 71300


Redox combination electrode with PSU stem

General purpose use, particularly in the water and waste water sector

ArticleOrder No.
EMC 133-K010-D: platinum tip Ø 6 mm; -5 – 80°C61 90 71133

Gel electrolyte (low-maintenance), fixed cable


Connection cable for pH and redox combination electrodes

Connection cable (1 m long; Ø 3 mm) for connecting electrodes with a lab plug head S7-system to the measuring instrument

ArticleOrder No.
Coax 3: S7 connector/DIN connector; 1 m61 90 70313
Coax 5: S7 connector/BNC connector; 1 m61 90 70315


Electrolyte and buffer solutions
ArticleOrder No.
Electrolyte KCL 3 mol/l; 250 ml61 90 70147

Storage solution and liquid electrolyte for refilling
Maintenance set pH, each 250 ml61 90 70148

Cleaning/Regeneration/KCl solution (3 mol/l)
pH buffer solution Tripack NBS, 3 × 250 ml61 90 70150

acc. to DIN 19266/NBS, pH 4.01; 6.86; 9.18 (25°C)
Redox buffer solution UH = 427 mV; 250 ml61 90 70427

UH = 427 mV (pH 7), UPt-Ag/AgCl = 220 mV
Redox buffer solution UH = 675 mV; 250 ml61 90 70675

UH = 675 mV (pH 1), UPt-Ag/AgCl = 468 mV