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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 247 results
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

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
3
Promotions Available

METTLER TOLEDO™ Micro pH Electrodes

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

Type Combination Electrode
Response Time <20 sec.
4
Promotions Available

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

Thermo Scientific™ Eutech™ ECFC7252101B pH electrode

Eutech™ offers a wide range of pH meters and electrodes that measure pH values in various educational, laboratory and industrial applications.

EDGE
6
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
7

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
8

Thermo Scientific™ Eutech™ ECFC7960201B ORP electrode, Double Junction

Eutech™ offers a wide range of pH meters and electrodes that measure both ORP and pH values in various educational, laboratory and industrial applications.

9

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

10
Promotions Available

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
11

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
12
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
13
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
14
Promotions Available

Fisherbrand™ accumet™ Liquid-Filled Mercury-Free pH/ATC Epoxy Body Combination Electrodes, w/BNC and Mini-phone ATC connectors

TRIS compatible, rugged, and convenient

Includes Electrode, 60mL refill solution, electrode storage bottle
Diameter (English) 0.47 in.
Type pH/ATC Combination Titration Electrode
Temperature (English) Operating 32°F to 212°F
pH Range 0 to 14
Diameter (Metric) 12 mm
Color Purple
Length (English) 4.1 in.
Material Epoxy
Junction Porous Ceramic Double
Probe ATC
For Use With (Application) General laboratory and life science applications
Internal Reference Ag/AgCl
15
Promotions Available

Thermo Scientific™ Orion™ Single Junction 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.