Cole-Parmer Datasheets for pH Electrodes

pH electrodes are analytical sensors for measuring potential of hydrogen (pH), the negative logarithm of the hydrogen ion activity in solution.
pH Electrodes: Learn more

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Product Name Notes
• 2-year replacement warranty • Builds on the ROSS<reg> technology for greater stability, relability, and renowned accuracy and temperature response • Less long term drift saves time from recalibrating The...
• 2-year replacement warranty • Builds on the ROSS<reg> technology for greater stability, relability, and renowned accuracy and temperature response • Less long term drift saves time from recalibrating Mini-DIN...
• 30" cable length EPOXY bodies provide maximum ruggedness and good chemical resistance. pHASE electrodes are supplied standard with a 30 inch (76 cm) cable and BNC connector.
• Affordable, high-accuracy pH electrodes for every application • The ideal 5-point calibration pH electrode • Delivers superior reproducibility in aqueous samples Cole-Parmer high-performance electrodes are available in a full...
• Affordable, high-accuracy pH electrodes for every application • The ideal 5-point calibration pH electrode • Delivers superior reproducibility in aqueous samples Oakton high-performance electrodes are available in a full...
• Choose the replacement sensor head and solution kits in low and high concentrations to work with your tester.
• Combines quality and durability • Epoxy-body housing resists impact These quality laboratory electrodes have a sealed gel reference unless otherwise noted.
• Cost-effective choices that are easy to use • Easily fit into small spaces<emdash>no additional reference electrode is needed Whether your application involves end point determinations in potentiometric titrations or...
• Designed to measure samples as small as 0.5 uL in containers as small as 384 well plates
• Designed to meet the demanding needs of both drinking water and wastewater applications • Compliant with EPA testing method for ammonia measurement • Saves time to help make your...
• Digital sensors for Plug-and-play capabilities • Quality IDS probes with 3-m cable Intelligent Design Sensors (IDS) digitally store their serial number, unique ID, and calibration data. The sensors can...
• Double-junction electrodes These electrodes are designed for insertion in RADIOMETER mountings or Ingold nonpressurized assemblies 761-351, 761-31, 761-361, and 361CH-31 (12 mm dia.) Sealed, gel-filled, double-junction reference electrodes require...
• Double-juntion • Rugged Tuff Tip works well on dirty samples • Built-in 30k Thermistor ATC has a 6-pin connection • 3-ft cable with BNC connector
• Drift less than 0.002 pH per day These provide fast, accurate, and stable pH readings. Ideal for food, pharmaceuticals, or biological samples. Platinum wire prevents contamination with silver and...
• Durable Tuff-Tip with ability to mount sideways The tip design protects the bulb from breakage and the gel internal fill solution allows electrode to be installed where others cannot.
• Easily remove electrodes in seconds without removing the holder • Ideal for in-line or submersible Great for routine pH applications. Use blue glass bulb for measurements up to 13...
• Easily remove electrodes in seconds without removing the holder Double-junction electrodes prevent electrode contamination by solutions that might react with Ag<sup>+</sup> or Cl<sup>-</sup> (heavy metals, organics, and sulfides). Use...
• Easy-to-clean and accurate
• Easy-to-replace sensor heads • Sensor head has a 6 month limited warranty
• Environmentally-frie ndly line of pH electrodes help make the you and the world a little safer! • Made without mercury or lead - safe to use and easy to...
• Faster response and increased stability across a pH range of 0 to 14 • Dome bulb offers better protection from breakage • Stability in low-ionic strength solutions • Offers...
• Flat measuring surface allows particles to sweep by minimizing abrasion and extending electrode life • Turbulent flow provides a scrubbing action which cleans the measurement surface • No moving...
• For a complete ISE system: • Ion-selective electrode • Reference electrode • Standardizing solution • Filling solution for reference electrodes • Ionic strength and pH adjustors Select the ion-selective...
• For a complete system, order an electrode, cable, and in-line adapter<emdash>it’ s as easy as 1-2-3! • Long-lasting, reliable, pH sensor designed to save you time and money by...
• Ground loop interrupt eliminates electrical interference This submersible electrode is ideal when your system calibrates outside your tank but gives incorrect readings when installed. Combat interference with a solution...
• Ideal for environmental and field testing of water and wastewater samples • Low maintenance polymer-filled double-junction electrodes with an extended life, fast response and clog-resistant junction. General purpose, high...
• Ideal for environmental and field testing of water and wastewater samples • Low maintenance polymer-filled double-junction electrodes with an extended life, fast response and clog-resistant junction. Measure samples as...
• Ideal for environmental and field testing of water and wastewater samples • Low maintenance polymer-filled double-junction electrodes with an extended life, fast response and clog-resistant junction. Toughened bulb for...
• Ideal for field applications • Completely submersible up to the last one foot prior to the meter connection • Extended cable lengths up to 100 feet These ABS plastic...
• Ideal for your most rugged applications • PTFE reference-junction pH electrodes (clog resistant) These combination electrodes withstand the most demanding field conditions—the semi-domed tip protects the pH bulb and...
• Industrial pH/ORP Electrodes for Chemical Property Testing These electrodes offer solution ground, PTFE references with double junctions and polymerized gel. All models include a 10-ft cable with BNC pH...
• Integral, one-piece electrode and housing for installation convenience • Choose from single-junction or double-junction designs • Options of BNC or stripped and tinned ends In-line electrodes operate from 32...
• Low Price - High Performance • The reference cell double-junction is designed for extended service life and features a built-in solution ground • Versatile mounting styles • Flat glass...
• Most accurate pH electrode, as tested by the PTB (the German Federal Physical Technical Institute in Braunschweig)* • Precise, reliable, and fast readings • About 200 times larger junction...
• Mount these versatile electrodes in any position Sealed AgCl reference cell requires no refilling during use. Rugged PVDF housing with 1/2'' NPT(M) thread withstands pressures up 100psi, good for...
• New glass formulation provides unparalled performance! • Lightening fast response time with superior accuracy and repeatabilty • Perfect for low-ionic strength solutions • Provides confident values over the entire...
• Orion-designed for optimum performance and the most comprehensive ISE selection • EPA approved for Methods ASTM D512-89 (1999) ionplus<reg> Sure-Flow<reg> Combination Ion-Selective Electrodes are easier to use than reference...
• Outstanding value at an economical cost! • Compatible with all Oakton brand pH meters Oakton combination electrodes are available in a variety of styles to meet the needs of...
• Outstanding value at an economical cost! • Compatible with all Oakton brand pH meters Double-junction reference for use with proteins, dirty samples, tris buffer etc. Oakton combination electrodes are...
• Outstanding value at an economical cost! • Compatible with all Oakton brand pH meters Use pH electrode for high pH solutions and/or solutions containing high levels of sodium ions.
• Perfect fit with the SAM-1 meter
• Plug-and-play digital sensor technology for pH, conductivity and dissolved oxygen • Add additional parameters by simply adding optional Memosens sensors The Memosens sensors digitally store their serial number, electrode...
• Preconfigured pH kits make it easy to save; modular design reuses housing and replaces electrode as needed • Flat-surface electrode design minimizes electrode damage • Self-cleaning feature extends life...
• Refillable
• Replace worn membranes quickly • Extend the useful life of your electrodes Membrane replacement saves time and the expense of electrode replacement<emdash>i deal for continuous or frequent sample analysis.
• Save money without giving up temperature compensation! • Electrodes designed to work with meters you already have • Seven different designs available—find the design that works best for your...
• Save space and money by using one cable with multiple electrodes or vice versa • Cable cap rotates independently and will not bunch up Match these combination electrodes with...
• Semi-domed, tuff-tip limits glass exposure and protects electrode from damage • Order single or double junction disposable electrodes for your in-line process control needs • Available with BNC or...
• Silamid<reg> reference system eliminates corrosion and interference from silver/silver chloride ions • Platinum diaphragm and free flow of electrolyte ensure excellent stability Laboratory work has never been easier with...
• Soil measurements without the "Suspension effect" • Refillable, glass-body electrode allows you to immerse the bulb without immersing the ceramic junction Our refillable soil electrode has an extra-wide 7.5...
• Take pH measurements in samples as low as 10 <mu>l--even from filter paper and agarose gel Unbreakable microelectrodes combine measuring and reference cells in a single probe. Tip diameter...
• Unique design provides preductable, reliable, and quick response with changing solution temperatures • Ideal for real-time pH measurement and control • Electrode drift and accuracy problems are virtually eliminated...
• Unique DryLoc design provides maximum installation flexibility • Chemically resistant Ryton<reg> body for use in dirty or corrosive environments • Easy retrofitting! Mounts to existing off-the-shelf and +GF+ Signet...
• Universal sensor body, PPS construction. Models available for pH, ORP, low ionic strength solutions, and HF-resistant electrodes for solutions with up to 2% hydrofluoric acid. Order pH electrode adapter...
• Unsurpassed accuracy with differential measurement technique—three electrodes instead of the normal two in conventional pH sensors • Greater reliability resulting in less downtime and maintenance • Replaceable salt bridge/protector...
• Use these electrodes with most Oakton handheld or benchtop pH meters for accurate and reliable readings • Refillable electrode provides more accurate pH measurement • Amber glass bulb minimizes...
• Use with the following Oakton meters: pH 300/310, pH/CON 300, and pH/CON 510
• Use with the following Oakton pH Meters: pH10/100, pH 500, and pH1000/2500
• Use with the following Oakton pH meters: pH10/100, pH 500, pH 1000/2500
• Use with Thermo Scientific Orion PerpHecT pH Meter (58820-02) to measure pH and temperature in very small vessels without the use of a separate temperature probe.
• Value-priced, durable and low maintenance Measure the pH of virtually any sample with these Thermo Scientific Orion pH electrodes. Electrodes come with a low cost epoxy body. Sealed, gel-filled...
• Withstand high temperatures and chemical attack • Exhibit minimal solution carryover Glass-body combination electrodes feature refillable references, except for 05998-30 which features a high-temperature KNO<sub>3</sub> gel. All have BNC...
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<b>Note:</b> 100 <omega> Pt RTD ATC elements conform to DIN curve 43760.
<b>pH Electrodes</b> are ideal for low temperatures, nonaqueous solutions, and pH measurements from 0 to 12. Electrodes feature a 10-ft cable with BNC connector.
Ag/AgCl
Annular junction, sealed, submersible
Combination pH electrode with ATC
Direct connect - no cable included; double junction, sealed
Direct connect electrode - no cable included; single junction, sealed
Double junction, refillable
Double junction, sealed, ATC
Double junction, sealed, self-cleaning, flat
Double junction, sealed, small diameter
Double junction, sealed, waterproof
Double junction, sealed, with ATC
Double junction, sealed
Double junction, with ATC
Double junction
Double-junction reference, refillable
Durafet III immersion pH probe
Durafet III in-line pH probe
Durafet III sanitary in-line pH probe
Electrode has 10-ft long cable with BNC pH connector and tinned end for solution ground.
Epoxy-body, refillable, combination pH electrode with bulb guard is perfect for rugged application in the lab or out in the field.
Flat surface, single junction, sealed
General purpose, double-junction electrodes prevent contamination of the AgCl reference cell by solutions that might react with silver (heavy metals, organics, sulfides). Electrodes can be used for measurements up to...
General-purpose single-junction electrodes are economical yet accurate. Can be used for measurements up to pH 13. Maximum pressure is 150 psi at 25<deg>C.
Glass-body, refillable, combination pH electrode features a bulb design for use with viscous solutions.
Glass-body, refillable, combination pH electrode features a rugged, thick glass bulb for more break resistance in the lab or out in the field.
Glass-body, refillable, combination pH electrode is great for accurate laboratory measurement up to 194<deg>C.
Glass-body, refillable, combination, semi-micro pH electrode for accurate test tube use with as little as 0.2 to 0.4 mL volume.
High pH or Na, single junction, sealed
High-accuracy electrodes are perfect for testing where temperature variations make many pH electrodes unreliable. These single-junction electrodes feature an innovative design that stabilizes readings in less than 20 seconds, with...
High-pH, double-junction electrodes are well suited for pH levels above 13 or high sodium ion concentrations. Double-junction reference protects against contamination from heavy metals, organics, and sulfides. Maximum pressure is...
Ideal for narrow crowded culture flasks and fermentors (6 mm dia). Double-junction reference offers stability and extended service life.
In-line or submersible electrodes with probe guard operate from 23 to 176<deg>F (-5 to 80<deg>C) and have a PVC housing with a 3/4'' NPT(M) fitting on both ends. Epoxy body...
In-line or submersion, flat surface, 30K thermistor
In-line or submersion, probe guard included, 30K thermistor
One side is tin and one side is BNC connector.
Order filling solution and replacement PTFE junctions below right.
pH electrode, epoxy body
pH Electrode
pH platinum electrode, double junction
Sealed, with ATC
Sealed, with no ATC
Single junction, sealed, semi-domed, solution ground
Single junction, sealed, semi-domed
Single junction, sealed, with ATC
Single junction, sealed
Single junction, with ATC
Single junction
Small diameter, sealed
Submersible electrodes operate from 32 to 176<deg>F (0 to 80<deg>C). Submerse up to the cable. Measure pH from 0 to 13. Electrodes are potted in a 3 ft L x...
These electrodes are designed for insertion in RADIOMETER mountings or Ingold nonpressurized assemblies 761-351, 761-361, and 361CH-361 (12 mm dia.) Sealed, gel-filled, double-junction reference electrodes require no refilling, and offer...
These electrodes are ideal for applications involving high-sodium concentrations. Double-junction reference protects against contamination from heavy metals, organics, and sulfides. Use for measurements from 0 to 14 pH. Electrodes withstand...
These electrodes are ideal for solutions containing acidic fluorides (hydrofluoric acid). Shpg wt. 1.0 lb (0.5 kg).
These quality electrodes have a sealed gel reference unless otherwise noted.
Triode - pH & ATC

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