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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 (724)
pH Electrode Accessories (568)
Combination Ion Selective Electrodes (272)
Dissolved Oxygen and BOD Probes (227)
Conductivity Electrodes (224)
Micro pH Electrodes (162)
Ion Selective Electrode Accessories (155)
Indicating Half Cell Electrodes (122)
Dissolved Oxygen Probe Accessories (113)
Automatic Temperature Compensation Probes (56)
Electrochemistry Analyzers Online Sensors (56)
Conductivity Cell Accessories (53)
Indicating Half Cell Ion Selective Electrodes (19)
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Multiparameter Electrode Sets (4)
ORP Cell Accessories (2)

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31 – 45 of 2,408 results
31

Thermo Scientific™ Orion™ Double Junction Epoxy Bodied Combination pH Electrode

Confidently maneuver and measure in the field or on the plant floor with Orion™ refillable epoxy body electrodes.

EDGE
32

Thermo Scientific™ Orion™ Temperature Probes

Automatically correct pH measurements for variation in electrode slope due to temperature change.

EDGE
Temperature (English) Operating 32°F to 212°F
Storage Requirements Store in air
Temperature (Metric) Operating 0°C to 100°C
33

Thermo Scientific™ Orion™ Epoxy Bodied Temperature Probes

Get fast, accurate measurements in lab or field with this ATC Probe, which automatically corrects pH measurements for variation in electrode slope.

EDGE
Diameter (English) Body 0.2 in.
Type ATC Probe
Accuracy ±1°C
Length (Metric) 120 mm
Temperature (English) Operating 32°F to 176°F
pH Range 0 to 14
Length (English) 4.7 in.
Material Epoxy
Diameter (Metric) Body 6 mm
Temperature (Metric) Operating 0°C to 80°C
34

Thermo Scientific™ Orion™ Redox/ORP/Temp Electrodes

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

EDGE
Material Epoxy
35

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.

EDGE
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
36

OHAUS™ Starter Water Analysis Meter Replacement Electrodes

Replacement electrodes for Starter portable and benchtop meters.

EDGE
Diameter (English) Body 0.47 in.
Length (Metric) Cable 1 m
For Use With (Equipment) Starter 300 pH meter
Sensor Types pH Electrode
Length (English) Cable 39.3 in.
Filling Solution Type 3 mol/L KCl gel
Measurement Ranges pH 0 to 14
Cell Constant 0.1 μS/cm
Diameter (Metric) Body 12 mm
Internal Reference Ag/AgCl
37

METTLER TOLEDO™ InLab™ 413/IP67 pH Electrode

A durable, plastic body pH electrode ideal for a wide range of applications that is able to withstand wet and demanding environments (IP67 rated).

EDGE
38

METTLER TOLEDO™ InLab™ Versatile pH Electrode
GSA_VA

A plastic, refillable pH electrode with an integrated temperature sensor ideal for measuring liquids. Electrode features a replaceable ceramic junction, which offers a solution to contaminated junctions without the higher cost or cleaning efforts required with open or sleeve junctions.

EDGE
39

Thermo Scientific™ Orion™ Sure-Flow™ Single Junction Epoxy Bodied Reference Electrode

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

EDGE
40

Thermo Scientific™ Orion™ ROSS Ultra™ Glass Bodied Combination pH Electrode

Capture accurate measurements of a variety of sample types, including solvents, with Orion Glass Body pH Electrodes.

EDGE
41

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

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

EDGE
42

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
43

Oakton™ pH and pH/Conductivity Electrode Replacements, pH/Temp Combination Electrode; Single-Junction, Epoxy

Replace Oakton™ pH and pH/Conductivity Electrodes when they break, no longer hold calibration, cannot be rehydrated, or are not compatible with your sample.

EDGE
Includes Electrode
Warranty 1 Year
Temperature (English) Operating 32°F to 176°F
Membrane None
Drift Unknown
Material Epoxy
Junction Single
Storage Requirements Oakton electrode storage solution or a 2 to 4mol/L KCl solution
Temperature (Metric) Operating 0°C to 80°C
44

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
45

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