pH Electrodes

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  • ORP Electrodes

    Ohaus

    Backed by our commitment to accurate and precise measurement, the OHAUS Starter Series of electrodes are designed to produce exact results time and time again. The Starter Series includes pH, reference, oxidation-reduction potential (ORP), conductivity

  • Micro Combination pH Electrodes

    Measure pH in samples as small as 10 microliters (1/10 of a drop) with great accuracy Compatible with most laboratory pH meters Well-suited for biological assays; use in containers such as 96-well plates, microcentrifuge tubes, culture tubes, serum cups, and NMR tubes Virtually…

  • pHE-01 Basic Combination pH Electrode

    labForce (a Thomas Scientific Brand)

    The labForce pH-01 Combination pH Electrode is an economical choice for a reliable combination pH electrode. Ideal for regular water solutions' pH measurement in scientific research, environmental monitoring, and quality control. Measurement Range: 0–14 pH, 0–80°C…

  • 3-in-1 Triode Probes

    Thermo Scientific Orion

    Orion Triode 3-in-1 Probe is a practical solution for field and plant use. The pH/Reference/ATC probes are all in one body. It's non-refillable, little or no maintenance required. You get portability and accuracy in one package.

  • Combination pH Electrodes

    Corning

    General Purpose pH Combination (4136L21) AgCl internal reference sealed by ion exchange barrier pH range 0-14 at temperatures from 0° to 100°C Replaceable junction Plastic body 13 mm diameter x 138 mm long. 4136L16 and L21 have removable bulb connector for easy…

  • InLab® Maintenance-Free pH Sensors

    Mettler Toledo

    Always Ready Well-equipped for challenging tasks. The highly robust PEEK shaft in combination with the open junction makes the InLab Expert both resilient and easy to handle. Its solid reference electrolyte requires no refilling and is always ready for use. If highest performance is expected,…

  • ATC Probes

    Thermo Scientific Orion

    Orion Automatic Temperature Compensation (ATC) probes transmit a signal to the pH meter, which automatically corrects pH measurements for variation in electrode slope due to temperature change.

  • Ammonia Ion Electrode Accessories

    Thermo Scientific Orion

    Accessories: Ionic Strength Adjusting Solution (ISA) adjusts the pH of standards and samples used in ammonia measurements. Ammonia Standard Solutions; 0.1 M ammonium chloride or 1,000 ppm as N. Replacement Membranes or Membrane Caps; Loose membranes for probes with O-Ring membrane holder;…

  • pHE-05 3-in-1 Glass pH/Temperature Electrode

    labForce (a Thomas Scientific Brand)

    The labForce pHE-05 3-in-1 pH/Temp. Electrode Sensor is a temperature compensated pH Electrode, is ideal for precise regular water solutions and water pH testing in scientific research and quality control. This electrode is compatible with TRIS buffer solutions. The unique blue hemispherical…

  • Orion Phix Adjustor 5 Pack

    Thermo Scientific Orion

    Sample well water, rain water, distilled/deionized water, boiler feed water, process water and more with the Thermo Scientific™ Orion™ pHISA™ Adjustor. It offers fast, accurate pH results in high purity and low ionic strength waters. Increases measurement accuracy …

  • pHE-07 Premium Flat pH Electrode

    labForce (a Thomas Scientific Brand)

    The labForce pHE-07 Flat pH Electrode is a general purpose, lab or field electrode offering affordable, low maintenance performance for water applications where a flat shaped pH sensor is more suitable. Features: Plastic body with standard 12mm diameter and 120mm length. Flat pH…

  • pHE-06 Premium Glass pH Electrode

    labForce (a Thomas Scientific Brand)

    The labForce pHE-06 3-in-1 pH/Temp electrode sensor is a temperature compensated pH Electrode, designed for viscous and low ion concentration samples' pH testing, and ideal for titration. The electrode is compatible with TRIS buffer solutions. The moveable sleeve junction on the pHE-06…

  • Waterproof Green pH Electrodes

    Thermo Scientific Orion

    Free of lead and mercury unlike many pH electrodes allowing easy disposal Meets all RoHS requirements Durable plastic body that can be used under rugged conditions Waterproof BNC connector is impervious to water Orion green electrodes offer a lab or field pH electrode that…

  • pHE-03 General Laboratory pH Electrode

    labForce (a Thomas Scientific Brand)

    The labForce pHE-03 pH Electrode is a general purpose, lab or field electrode offering affordable, low maintenance performance for many water applications. Features: Epoxy body with standard 12mm diameter and 120mm length Sealed, gel-filled reference with a double junction Ceramic…

  • pH Electrodes

    Ohaus

    Backed by our commitment to accurate and precise measurement, the OHAUS Starter Series of electrodes are designed to produce exact results time and time again. The Starter Series includes pH, reference, oxidation-reduction potential (ORP), conductivity

  • Orion Redox / ORP / Temp Electrodes

    Thermo Scientific Orion

    The Orion 9179BNMD and Orion 9180BNMD consist of a platinum redox sensor, a silver/silver chloride internal reference systems and a built-in thermistor for Automatic Temperature Compensation (ATC). Both models have the capability to measure ORP and Temperature simultaneously without a separate…

  • ORP-01 General Purpose ORP Electrode

    labForce (a Thomas Scientific Brand)

    The labForce ORP-01 ORP Electrode is a general purpose, lab or field electrode offering affordable, low maintenance performance for many water applications. Features: Epoxy body with standard 12mm diameter and 120mm length. Sealed, gel-filled reference with double junction Ceramic…

  • Electrode Care

    Oakton

    Solutions to clean, store and fill electrodes Extend the life of your electrodes and maintain accurate readings Use cleaning and storage solution with any pH or ORP electrodes Electrode storage solution keeps pH/ORP electrode bulbs moist for faster, more accurate readings. Use…

  • Nitrate Ion Electrode

    Thermo Scientific Orion

    4210S12 Polymer membrane electrodes measure nitrate concentration in the range of 14,000 to 0.1 ppm in soils, plant materials, fertilizers, pickling baths and other aqueous solutions. Other uses listed in Standard Methods. EPA approved for NIPDWR compliance monitoring Optimal temperature range…

  • ORP Standard

    Thermo Scientific Orion

    Calibration solution (4153R53) does not contain hazardous chemicals, is stable for up to one year (unopened) and can be used directly from the bottle with no mixing or diluting.

  • Thomas Brand Calcium Ion Electrodes

    Thomas®

    Dry Contact Technology High accuracy Unlimited shelf life, can be stored dry No pre-conditioning or user maintenance required Robust, rugged and reliable Dry Contact Technology replaces traditional liquid or gel-filled ISE’s. Dry contact electrodes require no…

  • Orion™ 2002SS and 2002CC Conductivity Cells

    Thermo Scientific Orion

    Get reliable, high performance results every time you use durable Thermo Scientific™ Orion™ Conductivity Cells. 2002SS The 2002SS 2-electrode conductivity cell is stainless steel with a cell constant of 0.1cm-1 Sensor features a low cell constant value and is designed to…

  • Orion Electrode Storage Bottle, 3 Pk

    Thermo Scientific Orion

    Storage bottle for protecting electrodes between uses. For use with Glass body 12mm electrode

  • IntelliCAL™ PHC201 Standard Gel Filled pH Electrodes

    Hach

    IntelliCAL™ PHC201 is a digital, combination pH probe with a non-refillable, gel-filled double-junction reference and built-in temperature sensor. It is available with a 1 or 3 meter cable and is intended for laboratory use. The PHC201 has a ceramic pin reference junction and is ideal for…

  • Micro-pH Electrode, Long, Thermo Orion 9810BN

    Thermo Scientific Orion

    Immersion depth is 1 mm and requires only 0.5 mL of sample. pH range is 0-14. Temperature range: -5 to 100°C. Dimensions: 120 mm x 6 mm; tip diameter: 1.3 mm. Type reference: Ag/Ag/Cl.

  • pH2500 Flat Surface Glass pH Electrode

    Sensorex

    Surfaces like paper, leather, electrophoresis gels and agar plates may be difficult to measure with traditional pH glass bulbs due to concerns about breakage. A flat electrode like our pH2100, is ideally suited for these types of pH measurements as well as measurements of suspended sludges and…

  • pH Combination Electrodes

    Mettler Toledo

    Peek Shaft, Open Junction "Safelock" closing ring Silver ion trap pH-sensitive glass membrane Contains no poisonous heavy metals but consists solely of non-polluting silver/silver chloride components. An Argenthal element developed by Ingold provides a lead-off system which offers…

  • Fluoride Ion Electrode

    Thermo Scientific Orion

    4210F12 For determination of fluoride ion activity in concentrations from saturated to 10 -6 M (0.02 ppm) Method approved by ASTM for water, drinking water, wastewater and seawater brines and it is approved by EPA, Standard Methods and AOAC for feeds Range saturated to 0.02 ppm Requires…

  • pH Elect. Spear Tip DJSG

    Oakton

    Double junction electrode for testing gels and semisolids . Spear tip pH electrode, glass body, sealed Electrodes have a BNC connector, and are 12 mm dia with a 3 ft cable Includes a FREE electrode saver bottle to extend electrode life Use with all OAKTON pH meters except pH Wand…

  • pH Electrodes

    Sartorius

    pH electrodes for pH-measurement systems. Choose between long lasting fluid electrolytes with sophisticated measuring performance and easy-to-operate gel electrodes. Intelligent electrodes save the calibration data and thus assures full GLP compliance. pH-electrodes with integrated temperature…

  • InLab® Long pH Sensors

    Mettler Toledo

    Reach New Depths The extra-long shaft allows measurements in deep vessels, barrels or pilot reactors. InLab Reach 225: A glass-body, combination pH electrode with S7 screw head and 225 mm long shaft for general application. InLab Reach 425: A glass-body, combination pH electrode…

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