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.

61 – 75 of 584 results

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.

Pricing & Availability
Specifications

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

METTLER TOLEDO™ InLab™ Surface pH Electrodes

A pH electrode featuring a flat, rugged plastic membrane for measuring samples with flat surfaces.

Pricing & Availability
Specifications

Type	Combination Electrode
Temperature (Metric) Range	0°C to 50°C
pH Range	1 to 11
Membrane	LoT Glass
Junction	Ceramic

METTLER TOLEDO™ InLab™ NMR pH Electrode

A pH electrode featuring a slim shaft diameter that allows for measurements in NMR tubes or of very small sample volumes.

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METTLER TOLEDO™ InLab™ Reach pH Electrodes

A pH electrode with an integrated temperature sensor featuring an extended shaft for measuring a wide range of samples in large vessels.

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Specifications

Type	Combination Electrode
Temperature (Metric) Range	0°C to 100°C
pH Range	0 to 14
Membrane	HA Glass
Material	Glass
Junction	Ceramic
For Use With (Application)	Accurate measurement in a wide range of sample types

OHAUS™ Starter Series Electrode: ST350 3-in-1 pH Electrode

Use in combination with Starter bench and portable meters. OHAUS Starter Series Electrode: ST350 3-in-1 pH Electrodes have the temperature probe in them. The diameter of the electrode should be smaller than the tube.

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Thermo Scientific™ Orion™ ROSS Ultra™ Thin Stem Refillable Epoxy Bodied Combination pH Electrode

Measure solutions in small or narrow containers in challenging environments with rugged epoxy bodied semi-micro pH electrodes.

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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.

Pricing & Availability
Specifications

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

Thermo Scientific™ Orion™ Double Junction Semi-Micro Stem Glass Bodied Combination pH Electrode

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

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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.

Pricing & Availability
Specifications

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

Thermo Scientific™ Orion™ Double Junction Semi-Micro Spear KnipHe™ Glass Bodied Combination pH Electrode

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

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Mettler Toledo™ ORP/Redox Combination Electrodes: BNC Connector

Combination electrode for measuring oxidation/reduction potential. Mettler Toledo ORP/Redox Combination Electrodes produce measuring signal on the surface of the metal by an exchange of electrons with the oxidation-reduction of the measured medium.

Pricing & Availability
Specifications

Diameter (English)	0.47 in.
Temperature (Metric) Range	0°C to 80°C
Length (Metric) Cable	1 m
Length (Metric)	12 mm
Temperature (English) Operating	32°F to 176°F
Length (English)	0.47 in.
Storage Requirements	3mol/L KCl
For Use With (Application)	For measuring the oxidation/reduction power of solution
Type	InLab LE501 Redox
For Use With (Equipment)	pH meter
Diameter (Metric)	12 mm
Length (English) Cable	0.72 in.
Junction	Ceramic
Temperature (Metric) Operating	0°C to 80°C
Connector Types	BNC
Internal Reference	ARGENTHAL

METTLER TOLEDO™ InLab™ Pure pH Electrodes

A glass pH electrode designed for ion-weak-samples such as ultrapure water and deionized water.

Pricing & Availability
Specifications

Type	Combination Electrode
Temperature (Metric) Range	0°C to 80°C
pH Range	1 to 11
Membrane	LoT Glass
Material	Glass
Junction	Immovable Glass Sleeve
Diameter (Metric) Body	12 mm
For Use With (Application)	Measuring samples at low temperatures or with low ion concentrations
Internal Reference	ARGENTHAL with Ag+ trap

OHAUS™ Starter Series Electrode: ST260 2-in-1 pH Electrode

Use in combination with Starter bench and portable meters. OHAUS Starter Series Electrode: ST260 2-in-1 pH Electrodes need to work with STTEMP30 temperature electrodes for 0.01 pH accuracy. ST260 is fit for samples which may react with Ag+ ions such as tri-buffer solution.