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...
• 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...
• Combine durability with reliability • Epoxy-body housing resists impact • Ideal for general purpose lab and field applications • Compatible with most brands of pH meters The Ag/AgCl combination...
• 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 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...
• 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...
• 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
• 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...
• 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 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...
• 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...
• 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...
• 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...
• 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...
• 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...
• Unique probes for special applications • Combine quality with durability • Eposy-body housing resists impact • Compatible with most pH meters These quality electrodes have a no maintenance sealed...
• 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 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...
Ag/AgCl
ATC included
Double junction, sealed, ATC
Double junction, sealed, with ATC
Double junction, with ATC
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.
For meters 58907-00 to -10
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.
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...
Includes ATC
Indicator electrode
pH Electrode
pH/ORP
pH
Reference electrode
Sealed, with ATC
Sealed, with no ATC
SenTix 21, sealed
SenTix 41, sealed, with ATC
Single junction, sealed, with ATC
Small diameter, sealed
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
Use to replaced pH/ATC electrodes for discontinued Oakton pH 10, 100, 200, 500, 1000, 2000, 2500 series meters.
Use with YSI Pro10, Pro1010, Pro1020, Pro1030, or Professional Plus meters.

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