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pH, ORP, and Titration, Combination Electrodes

pH and ORP electrodes that include both the sensing electrode and the reference electrode in the same device body; may include ATC probe; choose from epoxy, glass, or rugged glass bodies and multiple connector options, including waterproof cables.
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Keyword Search:
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16
Promotions Available

Thermo Scientific™ Orion™ ROSS Ultra™ Refillable Epoxy Bodied pH/ATC Triode™

Accurately measure pH and temperature together in just one electrode, with a built-in temperature sensor.

Type pH/ATC Combination Electrode
Warranty 2 Years
Length (Metric) 120 mm
Precision 0.01
Isopotential Point 7
pH Range 0 to 14
Diameter (Metric) 12 mm
Filling Solution Type ROSS electrode 3 M KCl fill solution (Cat. No. 810007)
Material Epoxy Body
Junction Glass Fiber
pH Relative Accuracy 0.03 pH for buffers using automatic temperature compensation
Temperature (Metric) Operating 0°C to 100°C
Internal Reference ROSS
17

Thermo Scientific™ Orion™ Single Junction Refillable Epoxy Bodied Combination pH Electrode

Confidently maneuver and measure in the field or on the plant floor with Orion™ refillable epoxy body electrodes.

Diameter (English) Body 0.47 in.
Length (Metric) 120 mm
Temperature (English) Operating 32°F to 194°F
Precision 0.02
pH Range 0 to 14
Diameter (Metric) Cap 16 mm
Length (English) 4.7 in.
Filling Solution Type 4M KCl with Ag/AgCl
Material Epoxy Body
Junction Glass Fiber
Diameter (Metric) Body 12 mm
Temperature (Metric) Operating 0°C to 90°C
Internal Reference Ag/AgCl
18

Oakton™ pH and pH/Conductivity Electrode Replacements, pH/Temp Combination Electrode; Single-Junction, Epoxy

Replace Oakton™ pH and pH/Conductivity Electrodes when they break, no longer hold calibration, cannot be rehydrated, or are not compatible with your sample.

EDGE
Includes Electrode
Warranty 1 Year
Temperature (English) Operating 32°F to 176°F
Membrane None
Drift Unknown
Material Epoxy
Junction Single
Storage Requirements Oakton electrode storage solution or a 2 to 4mol/L KCl solution
Temperature (Metric) Operating 0°C to 80°C
19

Fisherbrand™ accumet™ Liquid-Filled Polymer Body Combination Electrodes: Mercury-Free

Ideal for measurements in small vessels or with small samples

EDGE
Diameter (English) 0.4 in.
Type Combination pH Electrode
Temperature (Metric) Range -5°C to +100°C
Length (Metric) 106 mm
Temperature (English) Operating 23°F to 212°F
pH Range 0 to 14
Diameter (Metric) 10 mm
Length (English) 4.1 in.
Material Polypropylene
For Use With (Application) For measurements in small vessels or with small samples
Temperature (Metric) Operating -5°C to +100°C
Internal Reference Ag/AgCl
21

Fisherbrand™ accumet™ Gel-Filled Polymer Body pH/ATC Double-Junction Combination Electrodes: Mercury-Free

Combine the convenience of a combination electrode with built-in ATC probe

Type pH/ATC Combination Electrode
Length (Metric) Cable 0.10 m
Length (Metric) 106 mm
Temperature (English) Operating 23°F to 176°F
pH Range 0 to 14
Color Purple
Length (English) 4 in.
Length (English) Cable 30 in.
Filling Solution Type Gel
Material Epoxy
Junction Double
Temperature (Metric) Operating -5°C to +80°C
Internal Reference Ag/AgCl
22

METTLER TOLEDO™ InLab™ Science pH Electrodes

A pH electrode featuring a special glass body which is resistant to corrosive or organic samples, and is ideal for high temperatures and biological media. The high electrolyte outflow prevents contaminants from entering and clogging the junction, which would interfere with the reading.

EDGE
Diameter (English) 0.47 in.
Temperature (Metric) Range 0°C to 100°C
Temperature (English) Operating 32°F to 212°F
pH Range 0 to 12
Diameter (Metric) 12 mm
Membrane A41 Glass
Filling Solution Type 3mol/L KCl
Material Glass
Junction Moveable Glass Sleeve
Temperature (Metric) Operating 0°C to 100°C
Internal Reference ARGENTHAL with Ag+ trap
23

Thermo Scientific™ Orion™ ROSS™ Refillable Epoxy Bodied Combination pH Electrode

Confidently maneuver and measure in the field or on the plant floor with Thermo Scientific™Orion™ ROSS™ Refillable Epoxy Body Electrodes.

24

Thermo Scientific™ Orion™ AquaPro™ Double Junction Combination pH Electrodes

Measure the pH of viscous liquid samples quickly, and accurately, with clog-resistant Orion™ AquaPro™ pH electrodes.

Length (Metric) Cable 1 m
Temperature (English) Operating 32°F to 140°F
pH Range 0 to 14
Length (English) Cable 39 in.
Junction Open
Storage Requirements Always store in pH storage solution, Orion 910001. Either store in a beaker of storage solution or reassemble in the storage bottle the electrode was provided with.
pH Relative Accuracy ±0.02
Temperature (Metric) Operating 0°C to 60°C
Internal Reference Ag/AgCl Double Junction
25

Fisherbrand™ accumet™ AE series single junction gel pH electrode

Fisher Scientific™ accumet™ AE series pH electrodes support the accumet™ AE150 pH meter for routine pH measurements a budget-friendly price

26

Fisherbrand™ accumet™ Semimicro Glass Combination pH Electrode, Double Junction

Refillable glass pH electrodes. Ideal for use with small volume tubes, plates, cuvets, cups and other vessels.

28

Fisherbrand™ accumet™ Gel-Filled Paper Pulp Double-Junction pH Combination Electrodes: Mercury-Free

Dual junctions provide fast response and long life in paper pulp testing

Type Combination pH Electrode
For Use With (Equipment) pH meter
pH Range 0 to 14
Response Time 30 sec.
Filling Solution Type Gel
Material Gel-filled Polymer/Polypropylene
Junction Dual
pH Relative Accuracy ±0.05
For Use With (Application) Ideal for routine process monitoring in paper pulp plants, mine assay labs, smelters
29

Thermo Scientific™ Orion™ ROSS™ Glass Bodied Combination pH Electrode

Capture accurate measurements of a variety of sample types, including solvents, with Thermo Scientific™ Orion™ glass body pH electrodes.

Length (Metric) Cable 1 m
Length (Metric) 120 mm
Temperature (English) Operating 32°F to 212°F
pH Range 0 to 14
Diameter (Metric) Cap 16 mm
Length (English) 4.72 in.
Material Glass Body
Storage Requirements Short-term Storage (up to one week): Soak the electrode in ROSS' pH electrode storage solution, Cat. No. 810001, or standard pH electrode storage solution, Cat. No. 910001. For enhanced electrode performance, use ROSS' pH electrode storage solution. Long-term Storage (more than one week): Fill the reference chamber and securely cover the fill hole. Cover the sensing bulb and reference junction with the protective cap, sleeve or storage bottle containing a few drops of storage solution. Before returning the electrode to use, prepare it as a new electrode.
Diameter (English) Body 0.47 in.
Includes One 60mL bottle of Orion ROSS filling solution and spout cap
Precision 0.01
Length (English) Cable 39.37 in.
Filling Solution Type 3M KCl
Drift <0.002 pH/day
Junction Ceramic
Diameter (Metric) Body 12 mm
Temperature (Metric) Operating 0°C to 100°C
Internal Reference ROSS
30

Thermo Scientific™ Orion™ 8102BNUWP ROSS Ultra™ pH Electrode PROMO

When you purchase a Thermo Scientific™ ROSS™ pH Electrode, you’ll receive a ROSS Buffer Kit at no additional cost. Order using the catalog numbers below and your products will ship together.