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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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1 – 15 of 28 results
1

Fisherbrand™ accumet™ Glass Body Standard Size Combination Electrodes - Mercury-Free

For routine pH and titration measurements with small samples and small vessels, where separate half-cell electrodes may be impractical

Type Combination pH Electrode
Temperature (Metric) Range -5°C to +100°C
Length (Metric) 101.6 mm
pH Range 0 to 14
Length (English) 4 in.
Material Glass
Closure Type Twist Open/Twist Close
Internal Reference Ag/AgCl
3

Thermo Scientific™ Orion™ ROSS™ Sure-Flow™ Glass Bodied Combination pH Electrode

Attain stable, drift-free measurements of challenging samples using a sure-flow electrode with its unique free-flowing liquid-to-liquid junction.

EDGE
4

Fisherbrand™ accumet™ Micro and Semimicro Size Glass Combination Electrodes - Mercury - Free

Ideal for microwell plates, serum cups, cuvets, micro test tubes, NMR tubes and capillary tubes

Warranty 1 Year
Temperature (Metric) Range -5°C to +110°C
Tip Type Micro
Temperature (English) Operating 23°F to 230°F
pH Range 0 to 14
Filling Solution Type Saturated KCl with AgCl. KCl
Material Glass
Junction Single
For Use With (Application) Small samples
Temperature (Metric) Operating -5°C to +110°C
Internal Reference Ag/AgCl
5

Fisherbrand™ accuTupH™ Rugged Bulb pH Combination Electrodes - Mercury-Free

Optimal for lab use and precise Q.C. measurements.

mV Range 0 to ±25 mV
Length (Metric) 102 mm
Temperature (English) Operating 32°F to 212°F
pH Range 0 to 14
Response Time <10 sec.
Length (English) 4 in.
Material Glass
Temperature (Metric) Operating 0°C to 100°C
Internal Reference Ag/AgCl
6

Fisherbrand™ accumet™ Gel-Filled Pencil-Thin pH Combination Electrodes - Mercury-Free

For easy measurement of small samples in long and narrow vessels.

Diameter (English) 0.25 in.
Temperature (Metric) Range -5°C to +80°C
Length (Metric) 178 mm
Temperature (English) Operating 23°F to 176°F
pH Range 0 to 14
Response Time 30 sec.
Color Blue
Length (English) 7 in.
For Use With (Application) For easy measurement of small samples in long and narrow vessels
Type Combination pH Electrode
For Use With (Equipment) pH meter
Diameter (Metric) 6 mm
Filling Solution Type Gel 4mol/L KCl saturated with AgCl electrolyte
Junction Single Ceramic
pH Relative Accuracy ±0.05
Temperature (Metric) Operating -5°C to +80°C
7
Promotions Available

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

Measure flat, soft, moist, semi-solid or small volume samples with epoxy body flat surface pH electrodes.

Diameter (English) Body 0.47 in.
Temperature (English) Operating 32°F to 212°F
Precision 0.01
pH Range 0 to 14
Diameter (Metric) Cap 16 mm
Filling Solution Type 3M KCl
Drift <0.002pH/day
Material Epoxy Body
Junction Glass Fiber
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 (Metric) Body 12 mm
Temperature (Metric) Operating 0°C to 100°C
Internal Reference ROSS
8

Thermo Scientific™ Orion™ Single Junction Thin Stem Glass Bodied Combination pH Electrode

Top-performance, semi-micro pH electrodes to measure samples as small as 0.2 mL

Temperature (English) Operating 32°F to 194°F
Precision 0.02
pH Range 0 to 14
Diameter (Metric) Cap 16 mm
Filling Solution Type 4M KCl with Ag/AgCl
Material Glass Body
Junction Ceramic
Temperature (Metric) Operating 0°C to 90°C
Internal Reference Ag/AgCl
9

Fisherbrand™ accupHast™ Variable Temperature pH Combination Electrodes: Mercury-Free

Fast, accurate response despite temperature changes

Diameter (English) 0.4 in.
pH Range 0 to 14
Diameter (Metric) 10 mm
Filling Solution Type Saturated KCl
Junction Dual Ceramic
Internal Reference Ag/AgCl
10

Thermo Scientific™ Orion™ Single Junction Combination pH Electrodes

Conduct routine, small volume or flat surface pH measurement with Thermo Scientific™ Orion™ economy series pH electrodes.

Type Combination pH Electrode
Description Permanently gelled Ag/AgCl electrolyte
Length (Metric) Cable 1 m
Temperature (English) Operating 32°F to 176°F
Refillable Non-refillable
Reference Electrolyte Ag/AgCl
Material Epoxy
Junction Wick
Temperature (Metric) Operating 0°C to 80°C
11
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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
12

Thermo Scientific™ Orion™ ROSS™ Semi-Micro Spear Tip Glass Bodied Combination pH Electrode

Pierce soft and semi-solid samples like cheese, meat, or fruit with a refillable spear tip pH electrode.

Includes 60mL bottle of ROSS electrode fill solution
Length (Metric) Tip 20 mm
Sample Size 100 μL
Tip Type Spear
Temperature (English) Operating 32°F to 212°F
Precision 0.01
pH Range 0 to 14
Filling Solution Type 3M KCl
Drift <0.002pH/day
Material Glass Body
Junction Ceramic
Temperature (Metric) Operating 0°C to 100°C
Internal Reference ROSS
13
Promotions Available

Thermo Scientific™ Orion™ ROSS™ Sure-Flow™ Epoxy Bodied Combination pH Electrode

Attain stable, drift-free measurements of challenging samples using a sure-flow electrode with its unique free-flowing liquid-to-liquid junction.

Includes Detachable bulb guard, 2 x 60mL bottles of fill solution
Length (Metric) Cable 1 m
Temperature (English) Operating 32°F to 212°F
Precision 0.01
pH Range 0 to 14
Diameter (Metric) Cap 16 mm
Length (English) Cable 39 in.
Filling Solution Type 3M KCl
Material Epoxy Body
Junction Sure-Flow
Temperature (Metric) Operating 0°C to 100°C
Internal Reference ROSS
14

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
15
Promotions Available

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

Top-performance, semi-micro pH electrodes to measure samples as small as 0.2 mL.

Description Semi micro tip
Length (Metric) 165 mm
Temperature (English) Operating 32°F to 212°F
pH Range 0 to 14
Diameter (Metric) Cap 16 mm x 95 mm L
Length (English) 6.5 in.
Material Glass Body
Storage Requirements To ensure a quick response and free flowing junction, the sensing bulb and reference junction must not dry out. Short-term Storage (up to one week): Soak the electrode in ROSS' pH electrode storage solution, Cat. No. 810001. 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.
Precision 0.01
Filling Solution Type 3M KCl
Drift <0.002pH/day
Junction Ceramic
Temperature (Metric) Operating 0°C to 100°C
Internal Reference ROSS