Field pH Meters
Complementing this lineup, chlorine meters, especially digital chlorine meters, offer a specialized function for testing chlorine levels in water, ensuring safety and compliance with health standards. The key benefits of using these instruments include their portability, ease of use, and the ability to obtain immediate, accurate readings in various environments. Digital models provide clear, easy-to-read displays, making data collection more efficient and reliable.
Together, these tools support a wide array of scientific and environmental studies, contributing significantly to water quality monitoring and research efforts.
Thomas carries a large selection of benchtop and portable pH meters for all your pH testing needs. Find the pH Meter or pH Tester best suited to your application.
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Star™ A211 pH Benchtop Meters
Thermo Scientific OrionThermo Scientific Orion Star A211 pH benchtop meters are easy to use, dependable laboratory meters with advanced features and functions. Selectable read modes and stability indicator give you flexibility and control over your testing. All critical data is shown with your measurements including…
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Waterproof pH Testers
OaktonFeatures three-point push button calibration High accuracy ATC Self-diagnostic messaging Non-volatile memory Double-junction polymer sensor Waterproof pHTestr 30 is great for outdoor applications such as taking pH measurements in lakes and streams. Designed to float in…
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PH100 Benchtop pH Meters
labForce® (powered by Thomas Scientific)The labForce® PH100 Benchtop pH Meter provides accurate measurement, quick response time, and consistent result thanks to the advanced digital filtering technology. It has three measuring modes for your specific measuring needs: stable measurement display mode, timing measuring mode, and…
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Star A321 pH Portable Meter
Thermo Scientific OrionThe Thermo Scientific Orion Star A321 pH Portable Meter is the top choice for advanced measurements on location. Get the information you need quickly and easily from the large, backlit graphic LCD display. Informative display shows pH/mV/RmV and temperature along with electrode status, time, date,…
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Datalogging Meter pH Kit
Sper ScientificAutomatically log up to 4,000 readings or manually record 99 readings, each with pH, mV (supports ORP), °C or °F, time and date Review all data on the meter’s display or download with the included software Three point calibration with automatic buffer recognition indicating the number…
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edge® Dedicated pH/ORP Meter
Hanna InstrumentsHanna Instruments is proud to introduce the world’s most innovative pH/ORP meter: edge®. edCytiva groundbreaking design is the culmination of Hanna’s vision, design capabilities, integrated production and world class R&D. edge is a single meter that can measure pH and ORP…
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Measure pH, mV (ORP) and temperature accurately in the laboratory with the YSI pH 1310 or 1310P with built-in printer. The TruLab pH 1310 benchtop meter is the ideal laboratory instrument for reliable pH/mV measurements with automatic documentation for GLP compliance. The 1310 benchtop is an…
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Extremely versatile—the meter automatically recognizes which sensors you plug in so you can easily switch parameters whenever you want Select a meter with the number of channels you need (1, 2, or 3) and the sensors for the parameters you are measuring (pH, conductivity, or DO) Eliminate…
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Star A212 Conductivity Benchtop Meter
Thermo Scientific OrionThe Thermo Scientific Orion Star A212 Conductivity Benchtop Meter is the ideal choice for any lab. Get the information you need quickly and easily from the large, backlit graphic LCD display. Informative display shows conductivity/ TDS/salinity/resistivity and temperature along with time,…
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Rugged, waterproof, and dustproof with an IP67 rating for use in any environment Nonslip ergonomic design for comfortable handling Easily view measurements with large monochrome LCD with white LED backlighting Download and analyze data with USB output (model 260) and phono jack printer…
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Orion™ Star A and Versa Star™ Accessories
Thermo Scientific OrionGet better testing through better design with the Thermo Scientific™ Orion™ Star A and Versa Star™ Electrode Holder. The Orion Star A and Versa Star electrode holder head has identifiable slots and offers the following benefits: Adjustable probe heights reduce…
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pH Controller and Pump
Milwaukee InstrumentsControl the pH of your tank/reservoir AUTOMATICALLY! The MC122 pH controller and dosing pump (MP810) provides fully automated pH control of aqueous solutions in hydroponic systems. It has been specifically designed to control the pH in mixing tanks for fertilization. The small and precise…
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pH(ISE) Probe
YSIEasy user-replaceble sensor allows for quick sensor replacements if needed. No tools necessary. Measure pH quickly and easily with the 1001 sensor Use with the Professional Plus instrument Cables must be ordered separately One-year manufacturer’s sensor warranty
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Electrodes 4258A53 electrode allows ORP measurements to be performed with all WTW pH/mV meters. Requires 4258A57 cable for use with Inolab Meters.
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An Advanced, Research-Grade Benchtop pH Meter with Electrode Offering Accurate, Repeatable Results with selectable resolution from 0.1 to 0.001 and an intelligent i-Steward system, AB41PH has high resolution and consistent accuracy. Equipped with a 6.5-inch large LCD display and a touch keypad,…
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pH / ORP Controller
Milwaukee InstrumentsWith Milwaukee's MC Controllers you can monitor and control pH and/or ORP levels. The Milwaukee Instruments "MC" Controllers have a user selectable set point and a visual "Power Activated" LED notification light. Power to the controller box is turned on when the reading…
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The YSI pH/temperature field probe and cable is compatible for use with EcoSense pH100A, pH100 meter models. It is made of sturdy material which ensures durability and long lasting usage.
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Star A329 pH/ISE/Conductivity/Dissolved Oxygen Portable Multiparameter Meter
Thermo Scientific OrionThe Thermo Scientific Orion Star A329 pH/ISE/Conductivity/RDO/Dissolved Oxygen Portable Meter is the top choice for advanced multiparameter measurements on location. Get the information you need quickly and easily from the large, backlit graphic LCD display. Informative display can show each…
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3510 Bench pH Meters
Jenway (Cole-Parmer)Simultaneous readout of pH and temperature pH resolution to 3 decimal places 1, 2 or 3 point calibration Automatic or manual buffer selection Storage of up to 32 results RS232 connection to printer or PC via DataWay The 3510 is a versatile, simple to use pH, mV and…
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M1000 Benchtop pH/mV/Conductivity/ISE/DO Meters
labForce® (powered by Thomas Scientific)The labForce® M1000 Benchtop pH/mV/ISE/Conductivity/DO Meter features automatic calibration, automatic temperature compensation, data storage, timing measurement, clock display, RS-232 output, function setting and self-diagnose. It has three measuring modes for your specific measuring needs:…
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The ProQuatro was designed with the 4-port Quatro cable in mind. Combine 4 sensors on a single cable for comprehensive multiparameter sampling to measure temperature/conductivity, DO, and any two ISEs among pH, ORP, ammonium, chloride, or nitrate. Pairing the ProQuatro with the 4-port cable creates…
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pH Probe W/VP,12x425mm With VP connector - Ingold
Bellco GlassMettler Ingold pH Probe w/ VP Connector. Specifications: Mettler Toledo Ph Probe – Inpro Seris Low-Maintenance Ph-Electrodes With Vario Pin Connection Mounting Diameter 12mm Insertion Length 425mm Ph Range 012 Temperature Range 140c Pressure Resistance Bar Up To 4 Bar…
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Waterproof Palm pH™ Meter
ExtechLarge LCD displays pH or mV and Temperature simultaneously Microprocessor provides for Automatic Buffer recognition Memory stores 25 readings Automatic Temperature Compensation Unit is completely waterproof when electrode is connected to the meter Low Battery indicator and Auto Power…
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Multi 3320: The Environmental Expert The Multi 3320 for measurement of pH, ORP, ISE, conductivity and dissolved oxygen (electro chemical) is a perfect meter for environmental applications in ground and surface water, aqua culture, waste water treatment plants and much more. An integrated ISE…
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ORP Waterproof Dual Level Tester
Milwaukee InstrumentsIP65 Waterproof pH tester with Large dual-level LCD that displays ORP and temperature (°C or °F). The large display shows readings from -1000 to +1000 (with a resolution of 1 mV) and simultaneously shows temperature from -5.0 to 105.0°C or 23.0 to 221.0°F. ORP57 has a stability…
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Pocket Pro pH Tester
HachTake The Guesswork Out of Your Measurements Hach Pocket Pro and Pro+ are engineered to deliver accurate results. Backed up with built in performance diagnostics, you never have to guess when to clean or calibrate the sensor. You also get replaceable batteries for convenient field…
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Seven2Go Pro pH/Ion Meters S8
Mettler ToledoReliable pH/mV and Ion measurement for the lab Optimized for pH/mV and ion measurement in the laboratory, at-line, or outdoors, the new Seven2Go Pro S8 portable is designed to provide users with fast quality data, one-handed operation and durability. Robust in design, optimized for…
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Convenient Portable pH Meter for Wherever Your Work Takes You After more than a century of perfecting the art of measurement through our durable weighing products, OHAUS precision is now available in the form of a portable pH meter. This portable meter offers convenience, reliability and…
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Standard Portable pH / Conductivity / TDS Combination Meter with 0.1 pH…
Milwaukee Instruments3 meters in 1! This meter allows you to measure pH, EC (conductivity) and TDS with just one instrument and one single probe! The MW801 with a Conductivity range that goes up to 1990 µS/cm and TDS range that goes up to 1990 ppm is an ideal tool for drinking water measurements. MW801…
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pH Starter Pen Meters
OhausAccurate Electrochemistry Measurement At Your Fingertips After more than a century of perfecting the art of measurement through our durable weighing products, OHAUS precision is now available in a line of pen meters that provide accurate measurement of pH, oxidation-reduction potential (ORP),…
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Refillable, Combination pH Electrode
Hanna InstrumentsRefillable, combination pH electrode for general laboratory purposes as well as beer testing. Reference: single, Ag/AgCl Junction/Flow Rate: ceramic, single / 15-20 µL/h Electrolyte: KCl 3.5M + AgCl Max Pressure: 0.1 bar Range: pH: 0 to 13 Recommended Operating Temp.:…
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Orion™ Portable Meter & Accessories
Thermo Scientific OrionProtect your portable meter using Thermo Scientific™ Orion™ Star A series portable meter protective armor for use with Thermo Scientific™ Orion™ Star A series portable meters (Star A320, Star A220 and Star A120 series). Portable meter armor adds protection around the meter screen and includes a…