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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
Promotions Available

METTLER TOLEDO™ InLab™ Expert pH Electrodes

A combination pH electrode with PEEK plastic shaft for chemical and mechanical durability, and a fixed cable. Designed for use in a variety of applications.

EDGE
Diameter (English) 0.47 in.
Length (Metric) 120 mm
pH Range 0 to 14
Diameter (Metric) 12 mm
Membrane U Glass
Filling Solution Type Xerolyt Polymer
Material PEEK
Temperature (Metric) Operating 0°C to 100°C
Internal Reference ARGENTHAL
2
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.

EDGE
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
3
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METTLER TOLEDO™ InLab™ Routine pH Electrodes

A combination pH electrode with an integrated temperature sensor and chemically resistant HA glass body. It is designed for general lab applications and ideal for use at high pH values (IP67 rated).

EDGE
Type Combination Electrode
Temperature (Metric) Range 0°C to 100°C
pH Range 0 to 14
Membrane HA Glass
Material Glass
Junction Ceramic
Temperature (Metric) Operating 0°C to 100°C
4
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Mettler Toledo™ Economy Series pH and pH/ATC Combination Electrodes

Offer outstanding price/performance ratio. Mettler Toledo Economy Series pH and pH/ATC Combination Electrodes are cost-effective alternative for less-demanding requirements.

EDGE
Temperature (Metric) Range 0°C to 100°C
Temperature (English) Operating 0°F to 176°F
For Use With (Equipment) pH meter
Length (English) Cable 47 in.
Temperature (Metric) Operating 0°C to 80°C
Connector Types BNC
5
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METTLER TOLEDO™ Micro pH Electrodes

pH electrodes designed for small sample volumes or for measuring in small containers.

EDGE
Type Combination Electrode
Response Time <20 sec.
6
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WTW™ SenTix™ 21 pH Electrode
GREENER_CHOICE

Recommended for all applications where reliable measured values are needed even under the most adverse conditions. For demanding measurements in the lab, there are SenTix™ electrodes with 3 mol/l KCl liquid electrolyte, easy to clean glass shaft and platinum diaphragm.

EDGE
7

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
8
Promotions Available

Thermo Scientific™ Orion™ Single Junction Refillable Epoxy Bodied pH/ATC Triode™

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

Diameter (English) Body 0.47 in.
Length (Metric) 120 mm
Temperature (English) Operating 32°F to 194°F
For Use With (Equipment) Orion pH Meter (field or plant-use)
pH Range 0 to 14
Diameter (Metric) Cap 16 mm
Length (English) 4.7 in.
Material Epoxy
Junction Glass Fiber
Diameter (Metric) Body 12 mm
For Use With (Application) ideal for field or plant use.
Temperature (Metric) Operating 0°C to 90°C
Internal Reference Ag/AgCl
9

WTW™ SenTix™ 41 pH Electrode
GREENER_CHOICE

Use these pH electrodes for portable measurement and routine measurement in the lab. WTW™ SenTix™ 41 pH Electrodes are ideal for applications where reliable measured values are needed under adverse conditions.

EDGE
10

Fisherbrand™ pH Electrode with S7 Head Epoxy Body

This uniquely-designed ORP pH electrode features a S7 head epoxy body that is ideal for many laboratory and other scientific environments.

11
Promotions Available

METTLER TOLEDO™ InLab™ Easy pH Electrodes

A durable, polysulfone pH electrode with an integral bulb protector and gel electrolyte to avoid the inconvenience of refilling in field. Temperature sensors sold separately.

Diameter (English) 0.47 in.
Temperature (Metric) Range 0°C to 80°C
Length (Metric) 120 mm
Temperature (English) Operating 32°F to 176°F
pH Range 0 to 14
Response Time <20 sec.
Length (English) 4.72 in.
Material Polysulfone
Storage Requirements 3mol/L KCl
Probe NTC 30 kilohm
For Use With (Application) Low maintenance, field measurement and educational use
Type Combination Electrode
Diameter (Metric) 12 mm
Membrane U Glass
Filling Solution Type Gel
Junction Ceramic
Temperature (Metric) Operating 0°C to 80°C
Internal Reference Ag/AgCl
12
Promotions Available

METTLER TOLEDO™ InLab™ Viscous pH Electrodes

A glass pH electrode with an integrated temperature sensor featuring the SteadyForce™ reference system, which is pressurized to prevent the junction from clogging.

EDGE
Temperature (Metric) Range 0°C to 100°C
Length (Metric) 40 mm
Temperature (English) Operating 32°F to 266°F
pH Range 0 to 14
Length (English) 1.57 in.
Membrane HA Glass
Material Glass
Junction Ceramic
Storage Requirements 3 mol/L KCl
For Use With (Application) Highly viscous, highly glutinous samples
Temperature (Metric) Operating 0°C to 130°C
Internal Reference SteadyForce
13

Hanna™ Instruments pH Electrode

Is a PEI body, double junction pH electrode with a BNC connector that has a design consideration that is ideal for chemicals, quality control, field applications, and general purpose use.

14
Promotions Available

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

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

Length (Metric) Cable 1 m
Length (Metric) 120 mm
Temperature (English) Operating 32°F to 194°F
pH Range 0 to 14
Diameter (Metric) Cap 16 mm
Length (English) 4.7 in.
Material Glass Body
Storage Requirements Short Term Storage (up to one week): Soak the electrode in pH electrode storage solution, Cat. No. 910001. 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.
Slope 92 to 102%
Diameter (English) Body 0.47 in.
Length (English) Cable 39 in.
Junction Ceramic
Diameter (Metric) Body 12 mm
Temperature (Metric) Operating 0°C to 90°C
Internal Reference Ag/AgCl
15

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