Electrodes

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Attention Thomas Scientific Customers

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  • IDS ORP electrodes are used to measure oxidation or reduction potentials in waterous solutions - with integrated temperature sensor Safe measured values due to signal processing in the sensor Integrated temperature sensor NTC 30 kOhm for precise value documentation Best possible GLP…

  • Unique Glass Membrane - The PHE-17 pH electrode uses a micro cylindrical glass membrane (4mm in diameter), making micro-sample pH testing easier than ever, and can be tested in high-temperature samples (up to 212°F). The stainless steel protective cover ensures the durability of the slim glass…

  • Unique Glass Membrane - The PHE-15 HF glass membrane, which has a faster response rate, better repeatability in strong acid samples, and resistant to hydrofluoric corrosion. Silver Ion Trap Reference System - The PHE-15 pH electrode uses a Silver Ion Trap reference system. On top of the Long-Life…

  • Dry Contact Technology Dry Contact Technology replaces traditional liquid or gel-filled ISE's. Dry contact electrodes require no preconditioning. Simply place electrode in a sample and read results. This innovative technology offers unlimited shelf life and greater measurement stability. …

  • Sealed Ag-AgCl Reference, Epoxy Epoxy plastic body incorporates glass electrode and sealed Ag-AgCl reference electrode in a single stem Range pH 0 to 14, 0° to 100°C Usable at pressures from 0 to 100 psig (690 kPa) Offered in choice of types, each with US Standard or…

  • pHE-08 Micro pH Electrode

    labForce (a Thomas Scientific Brand)

    The labForce pHE-08 Semi-Micro Electrode is a general purpose, lab or field electrode offering affordable, low maintenance performance for applications needing a small diameter body housing (6mm) and is also longer than standard (150mm). Features: Plastic body with 6mm diameter and 150mm…

  • Reference Electrodes For ISEs

    Thermo Scientific Orion

    4215F10 Mercury-free, Ag-AgCl type, with sleeve junction. Designed for use with Thermo Orion ion-selective electrodes as indicated in respective descriptions; usable also with glass electrodes for pH measurement. Range 10 to 100°C. Length 140 mm, diameter 13 mm. Diameter of mounting cap 16 mm. …

  • 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…

  • 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…

  • Automatically correct pH measurements for variation in electrode slope due to temperature change using Thermo Scientific™ Orion™ Stainless-Steel Automatic Temperature Compensation (ATC) Probes.

  • Use to take mV readings Choose a single-junction electrode for field, clean water, and general-purpose applications; choose a double junction electrode for most applications including field, dirty water, heavy metals, and organics. Both models have a pin-type junction that provides low…

  • pHE-02 Basic 3-in-1 pH/Temperature Electrode

    labForce (a Thomas Scientific Brand)

    The pHE-02 3-in-1 Combination pH Electrode tests pH and temperature simultaneously and supports auto temperature compensation. Ideal for regular water solutions' pH measurement in scientific research, environmental monitoring, and quality control. Not suitable for testing in low-ion…

  • 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…

  • Chloride Ion Electrode & Accessories

    Thermo Scientific Orion

    4210N68 Requires Thomas number 4215F60 reference electrode. Includes 760 mm lead. Uses Orion 900002 fill solution, order as 4215F70. Accessories Chloride Standard, 0.1000 ±0.0005M Chloride Standard, 100.0 ±0.5 ppm Ionic Adjustment Solution, Sodium Nitrate…

  • 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…

  • CC-03 Glass Conductivity Electrode, K=1

    labForce (a Thomas Scientific Brand)

    The labForce CC-03 Conductivity Electrode (K=1.0) is designed for high-accuracy laboratory conductivity measurements. Its cavity structure and platinum chip sensor design enhance the accuracy and stability of conductivity measurement in the range of 0 to 200mS/cm. The glass body is resistant to all…

  • ISE-07 Ammonia Ion-Selective Electrode

    labForce (a Thomas Scientific Brand)

    The labForce ISE-07 Ammonia (NH3) Ion-Selective Electrode (ISE) is a general purpose, laboratory or field electrode offering convenient replaceable membrane modules and excellent performance. Specifications: Sensor Type: Gas-Sensing - glass pH with gas-permeable membrane …

  • Intellical™ ISENH3181 is a digital, combination gas-sensing, ammonia ion selective electrode (ISE) with a with a replaceable membrane module, refillable outer body, a non-refillable gel 3M KCl reference with a double junction porous PTFE annular ring and built-in temperature sensor. The…

  • 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…

  • 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…

  • Chlorine exists in different chemical forms in solution, including free chlorine (hypochlorite ion and hypochlorous acid) and combined chlorine. Free chlorine is the only form that can perform disinfection, so knowing free chlorine concentration is critical for applications like water and…

  • Electrode Extension & Adapter Cables

    Thermo Scientific Orion

    Orion™ Electrode Extension Cables (4153X33 & 1212U41) Extend the length of an electrode cable by 15′ (4.57m) when using the Thermo Scientific™ Orion™ Electrode Extension Cables. Can be used with Orion ATC probes, any reference electrode with 2mm pin tip connector or…

  • The unique blue glass membrane, has a faster response rate, better repeatability, and impact-resistance. Polymer Electrolyte, ideal for testing wastewater and suspension. No more clogged junction. Long-Life Reference System, improves the stability of reference electrode and prolongs the service…

  • PHE-12 Glass 3-in-1 pH/Temp Electrode for Dairy

    labForce (a Thomas Scientific Brand)

    Silver Ion Trap Reference System plus Protelyte Electrolyte - The PHE-12 pH/Temperature Electrode uses a Silver Ion Trap reference system and Protelyte reference solution. On top of the Long-Life reference system, a silver ion trap is added to prevent the junction from being blocked or contaminated…

  • Solution Kits

    Oakton

    Be sure to select both the electrode and solution kit to complete your measurement system. Solution kits contain the solutions and accessories needed for calibration, sample preparation, and measurement of ion concentration and activity. All solutions are supplied with MSDS (Material Safety Data…

  • Economy pH Electrodes

    Thermo Scientific Orion

    Ideal for field, plant, or educational applications Connector type: BNC Waterproof

  • Fluoride Electrode and Reagent Kits

    Thermo Scientific Orion

    All the consumables you need for Fluoride analysis Orion Combination Fluoride ISE features the Thermo™ Scientific™ Orion™ Sure-Flow™ junction which contributes to highly stable and precise fluoride measurements while simplifying electrode maintenance 0.5, 1.0,…

  • Moveable Sleeve Junction - The PHE-11 pH Electrode/Probe is easy to clean, especially suitable for low ion concentration solutions. The infiltration rate of the electrolyte is determined by the tightness of the sleeve, which can be customized by users to ensure the best performance in every…

  • Conductivity measuring cells with graphite electrodes in two and four pin models for standard measurements in aqueous solutions in the field and in the lab No measuring errors due to cable, polarization effects or changes of the electrical edge field Highest precision and linearity …

  • 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.

  • Replacement Electrodes and Probes

    Milwaukee Instruments

    Milwaukee has a wide assortment of pH, ORP, Conductivity and other specialty sensors to meet all your specific requirements. Finding the right electrode for a specific application is a very important task and in order to solve this selection problem it is important to consider the following:…

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