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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SevenExcellence™ Professional Multi-Channel Meters
Mettler ToledoProfessional Multi-Channel Meter with Touch Screen SevenExcellence™ is the perfect choice for applications where maximum measurement accuracy is required. The multi-channel instrument allows measurements of 1, 2 or 3 parameters simultaneously, either in the same or in different samples.…
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pH/ORP Waterproof Combination Tester
Milwaukee InstrumentsCombination waterproof testers with advanced functions also include the new model pH58 for simultaneous pH and ORP measurements and temperature, which is continuously displayed on the dual level LCD. It shows readings in an extended range from -2.00 to 16.00 pH or ±1000 mV and…
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Waterproof pH/CON 450 Meter
OaktonSelect meter with combination pH/CON probe or separate pH and conductivity probes Intuitive, user-friendly icons—electrode status displays pH slope Grip-Clip electrode holder quickly and easily secures electrode to side of beaker or container USB or RS-232 output for up to 500…
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Waterproof pH/DO 450 Meter
OaktonAffordable optical RDO technology eliminates maintenance time and costs Durable waterproof and dustproof design with IP67 rating Eliminates costly, tiresome membranes and solutions Barometric pressure and salinity correction USB and RS-232 output for up to 500 data sets …
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Includes CL200 meter, pH and ORP electrodes, reagent tablets, 4 plastic cups, weighted stand, pH buffer pouches, batteries and carrying case 4-in-1 Water Quality Meter measures Chlorine, pH, ORP plus Temperature with interchangeable flat surface electrodes (included) Flat surface electrodes…
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Bench-Top pH/mV Meter
Sper ScientificRugged housing with large LCD displaying the parameter being measured together with time, date and temperature (in ºC or ºF). Automatic or manual temperature compensation Automatic or manual ranging Automatic buffer recognition Digital and analog outputs Min/Max and 99 data points …
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Advanced pH/ORP Benchtop Meter
Hanna InstrumentsHI6221 is a streamlined benchtop meter with a large touch screen display, comprised of a housing and an integrated pH / ORP measurement module. Compact and easy to operate, the benchtop meter is delivered with Hanna Instruments' HI1131B double junction combination pH electrode, together with…
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PH200 Portable Meter Kit for Purified Water
labForce® (powered by Thomas Scientific)The labForce® TS-W200 Portable pH Meter is designed for professional pH measurement of purified water such as drinking/RO/distilled/deionized water and other low ion-concentration solutions. The 3-in-1 Glass pH/temp. Electrode uses a moveable sleeve junction, Long-Life reference system, and a…
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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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Thermo Scientific Expert pH Pocket Tester with Batteries
Thermo Scientific OrionThe Thermo Scientific™ Expert pH Pocket Tester is designed for on-the-go measurements of pH and temperature. The Expert pH Pocket Tester is best used in applications such as hydroponic gardening, aquaculture, agriculture, pools, cooling towers, and more! Large 4 digit double line…
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Waterproof pH Meter
ExtechPH90 is a Waterproof ph Meter. Featuring a rugged, waterproof (IP57) housing with Flat Surface Electrode for measuring pH in liquids, semi-solids, and solids and also displays temperature on the large LCD. The electrode does not break or get junctions clogged like the traditional glass bulb probes.…
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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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You don't need an answer, but the right one, and fast. Optimized stabilization algorithms in Hach meter platforms eliminate operator guesswork and reduce inaccurate measurements. Many electrodes work specifically to deliver accurate results and the quickest response, even in challenging…
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ISE500 Benchtop pH/ISE Meters
labForce® (powered by Thomas Scientific)The labForce® ISE500 Benchtop pH/ISE 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: stable measurement…
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Tracer Pocketester
LaMottePocket-sized ISE meter with interchangeable sensor modules Waterproof design with rubberized housing Automatic shut-off and low battery indicator Memory saves calibration values and stores up to 15 readings Chlorine and pH also display sample temperature PockeTester…
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Ph Buffer
Mettler ToledoThe Mettler Toledo technical buffer is mainly used for easy sensor insertion. It is used to make quick calibration. Mettler products are intended for sale/shipment within the US only. International customers should contact their local Mettler distributor to place orders for Mettler products. …
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VERSA STAR PRO™ Benchtop pH Meters
Thermo Scientific OrionGet high accuracy, premium performance and ultimate flexibility with the Thermo Scientific™ Orion™ Versa Star PRO Benchtop Meter with pH Module. Meet your most challenging applications for pH, mV, ORP and temperature. Easily view measurements on the stunning color display and customize…
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Portable pH/EC/TDS/Temperature Meter
Hanna InstrumentsAutomatic one or two point calibration Multi-level LCD display; The meters display the current measurement simultaneously with the current temperature. On-screen tutorial messages for calibration and setup HOLD; The HOLD button freezes readings on the display for manual recording …
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SensoLab Benchtop pH/ORP Meter
SensorexThe SensoLab Series Benchtop pH/ORP Meter is the perfect solution for a range of applications from instructional chemistry laboratories to quality control testing. Our waterproof pH and ORP meter helpfully prompts you through the calibration and measurement procedures, and includes the optional…
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Automatically recognizes pH buffer standards Large LCD dual-line display shows pH and temperature readings simultaneously Rugged IP67-rated housing is waterproof, dustproof, and floats in water Leakproof cap with fill line functions as a sample/calibration and hydrating cup …
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Standard Portable pH Meter with 0.1 pH Resolution
Milwaukee InstrumentsStandard portable meters with no frills! Milwaukee’s durable meters for quick and reliable measurements. Milwaukee’s Standard meters are manufactured to be easy to use, practical and accurate. Ideal for the classroom, laboratory or for general field use. MW100 performs pH…
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Orp / Temperature Waterproof Tester
Hanna InstrumentsA waterproof ORP and temperature meter, the housing has been completely sealed against humidity and designed to float. The temperature values can be displayed in °C or °F units. The meter is factory calibrated and measurements are highly accurate with a stability indicator right on the…
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Standard Portable ORP Meter
Milwaukee InstrumentsStandard portable meters with no frills! Milwaukee’s low cost durable meters for quick and reliable measurements. Milwaukee’s Standard meters are manufactured to be easy to use, practical and accurate. Ideal for the classroom, laboratory or for general field use. MW500…
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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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Lab Star PH111 pH/mV Bench Meter
Thermo ScientificLSTAR1110 The Thermo Scientific™ Orion™ Lab Star PH111 pH/mV Bench Meter is ideally suited for laboratories with users of varying levels of technical expertise and who require a simple-to-calibrate and use meter for routine pH testing. Scientists have trusted Thermo Scientific…
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Great general-purpose meter for laboratories where GLP data-management is required Large display with bright backlight Dynamic reading stability indication indicates when your measurement is stable Up to 500-point memory with date-time stamp for GLP Password protection for both setup…
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Oakton pH 100 Portable pH meter
Cole-ParmerConvenient, compact design with large display Measured parameter and temperature shown on display at same time Utilizes same electrodes as Oakton 6+ series Stability, calibration, and low-battery indicators Waterproof and dust-resistant IP57 rating – great for use under harsh…
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Professional pH/mV/ISE meter with DIN socket, backlit graphic display, for mobile application with data logger and USB interface. Single instrument including instruction manual, CD-ROM and batteries, cable
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HI 9829 Multiparameter Meters
Hanna InstrumentspH/ORP/ISE, EC/TDS/Resistivity/Salinity/Seawater Specific Gravity, Turbidity, DO, Temperature and Atmospheric Pressure Rugged, waterproof and easy to use, the HI 9829 is the ideal meters for field measurements of lakes, rivers and seas. Both meters display 1 to 12 parameters simultaneously…
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The EcoSense® pH100M handheld instrument provides accurate and repeatable pH, mV, and temperature measurements in an affordable format. Compared to the EcoSense® pH100A, the pH100M features extended memory and simple data transfer with a micro-USB port. Features of the pH100M include:…
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