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Probes and Electrodes

Used with specific electrochemistry meters to measure a variety of parameters; includes combination and half-cell pH electrodes, conductivity cells, ion-specific electrodes, dissolved oxygen probes, and automatic temperature compensation probes.
pH, ORP, and Titration, Combination Electrodes (415)
pH Electrode Accessories (171)
Combination Ion Selective Electrodes (139)
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Ion Selective Electrode Accessories (106)
Automatic Temperature Compensation Probes (70)
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Dissolved Oxygen and BOD Probes (49)
Indicating Half Cell Electrodes (36)
Indicating Half Cell Ion Selective Electrodes (32)
Micro pH Electrodes (30)
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Salinity Cell Accessories (2)

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1 – 15 of 743 results
1

Fisherbrand™ accumet™ AE series Double Junction Gel pH Electrode

Fisherbrand™ accumet™ AE series pH electrodes support the accumet™ AE150 pH meter for routine pH measurements at a budget-friendly price.

EDGE
2
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
3

Fisherbrand™ accumet™ AE Series 3-in-1 Single Junction Gel pH/ATC Electrode

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

EDGE
4

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
5
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
6

Mettler Toledo™ Micro pH Electrode: LE422

Designed for measuring in small or narrow neck vessels or test tubes

7
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.
8

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
9

Hanna Instruments™ Refillable Digital pH Electrode

Type pH Electrode
Length (Metric) Cable 1 m
pH Range 0 to 13
Diameter (Metric) Cap 9.5 mm
Material Glass
Junction Ceramic Single, 15 to 20 μL/h
Temperature (Metric) Operating -5°C to +100°C
Connector Types 3.5 mm Jack
12

WTW™ SenTix™ 62 pH Electrode
GREENER_CHOICE

Standard electrodes with gel and precision electrodes with liquid gel electrolyte for pH measurements in lab applications and in the field.

13

WTW™ SenTix™ 81 pH Electrode
GREENER_CHOICE

Use these pH electrodes for portable measurement and routine measurement in the lab. WTW™ SenTix™ 81 pH Electrodes are ideal for applications where reliable measured values are needed under adverse conditions.

EDGE
14
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
15
Promotions Available

Thermo Scientific™ Eutech™ Dissolved Oxygen Refilling Electrolyte Solution for DO Probes

Eutech™ DO meters, probes, and their accessories offer quick, accurate dissolved oxygen checks in laboratories, field and schools.