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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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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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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FermProbe? pH Probe,12x420mm Broadley-James
Bellco GlassThe fermprobe pH electrode with s8 metric cap features a standard s8 detachable cable connector on a metric pg 135 threaded polymer cap the design requires the rotation of the electrode during installation this style of pH fermprobe is the first choice for small autoclavable bench-top vessels all…
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The AB33M1 utilizes 2 independent measuring channels which can work simultaneously. With multifunctional touch keypads, AB33M1 makes measurement simple and fast. The intelligent i-Steward monitors the condition of electrodes, ensuring the accuracy of the results. A 1000-item memory for measurement…
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pH/Conductivity Tracer
LaMotteMeasures multiple parameters Stores up to 25 data sets Waterproof to IP67 The PockeTester pH/Conductivity tracer measures five parameters including conductivity, TDS, salinity, pH and temperature using one electrode. Units of measure are pH, µS, mS, ppm, ppt, mg/L, g/L,…
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Carrying Case
YSIThe YSI foam fitted carrying case is compatible for use with EcoSense pH100, DO200 and EC300 meter models. It is made of sturdy material which ensures durability and long lasting usage.
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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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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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Direct Soil pH Measurement Kit
Hanna InstrumentsDedicated to soil pH measurement Specialized soil pH electrode Multi-level LCD display User friendly operation using only 2 buttons On-screen tutorial messages Automatic Temperature Compensation Automatic one or two point calibration BEPS (Battery Error Prevention System)…
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PC200 Portable pH/Conductivity Meters
labForce® (powered by Thomas Scientific)The labForce® TS-PC200 Portable pH/Conductivity Meter combines advanced digital processing technology and software design, specially designed for all types of professional pH and conductivity measurements. The meter has a ±0.01 pH accuracy in a range of -2.00-19.99 pH., with…
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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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YSI single-junction replacement pH sensor for the pH10 pen-style instrument. Includes a cover cap as well The pH10 comes with this sensor with purchase 6-month manufacturer’s warranty from date of purchase Most small testers are thrown away after the sensor goes…
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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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Checker Portable pH Testers
Hanna InstrumentsFast and accurate readings for the cost of a few rolls of litmus paper 3,000 hours of continuous use Large, easy-to-read LCD Range: 0-14 pH; resolution: 0.1 pH; accuracy: ±0.2 pH Manual, two-point calibration Checker 1 testers have a replaceable screw-type combination pH electrode.
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SevenDirect SD50 pH/Ion Meter
Mettler ToledoThe pH/Ion Meter SevenDirect SD50 provides accurate pH and ion concentration measurements for almost any sample across a wide range of applications. The EasyPlace electrode arm and protective cover are included with the instrument. The benchtop meter's ease of use, data handling…
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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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Lab Star EC112 Conductivity/Salinity/TDS Bench Meter
Thermo ScientificThe Thermo Scientific™ Orion™ Lab Star EC112 Conductivity 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 conductivity, salinity and TDS testing. Scientists have trusted…
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Seven2Go Accessories
Mettler ToledouGo™ Carrying Case Robust, light, and easy-to-clean. The uGo carrying case is IP67 and has a hermetically sealed interior that allows easy cleaning; regardless of the application. For Seven2Go and SevenGo Duo portables. Seven2Go Bench Stabilizing Unit Seven2Go accessory that…
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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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CON 2700 Benchtop Meter
OaktonMeasure conductivity, total dissolved solids (TDS), salinity, resistivity, and temperature Brilliant backlit display with dynamic stability indication Up to 500 point memory with date-time stamp for GLP Output data to printer or PC Accepts either 2-cell or 4-cell electrodes Features…
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Dual Star™ pH, ISE, mV, ORP and Temperature Dual Channel Benchtop Meters
Thermo Scientific OrionDouble your measurement capabilities with the Thermo Scientific™ Orion™ Dual Star™ pH and ISE Benchtop Meter and record accurate and reliable pH, ion concentration, mV, ORP and temperature measurements on two available meter channels, ideal for high throughput pH and ion analysis…
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FiveGo™ Portable pH/mV Meters
Mettler ToledoThe well-priced pH/mV, conductivity and dissolved oxygen FiveGo portable meters are the perfect choice for a wide range of applications wherever you are. Time is an ever more valuable asset. Thanks to the FiveGo™'s intuitive operation, robust design and extensive memory functions,…
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Digital display meters/monitors for use with CG-1872 pH electrodes with an integrated PT100 sensor for temperature correction. Connection is made using a standard BNC probe connector with a 3-pin banana connector plug for RTD. CG-1872-M-20 Meters Are Supplied with CG-1872-M-25 Adapter Cables. …
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High Performance Bench Meter for Universal pH Applications Backed by OHAUS’ century-old commitment to providing precise measurement, Starter 5000 provides accurate pH and ORP measurement for high-level experiments and research. Enhanced features, advanced technology, and high…
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*** Accessories Available - Meter has been discontinued *** Basic, inexpensive meter produces reliable results Waterproof (IP67) Measures/compensates temperature in °C or °F European CE Mark Anti-glare coating Powered by long-lasting batteries (est 500…
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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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Save money by replacing sensor, not the tester Large easy-to-read LCD features three-color backlight Simple to calibrate with automatic standard recognition Rugged IP67-rated housing is waterproof, dustproof, and floats in water with sensor cap on Leakproof cap with fill…
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Simple to Use Benchtop Meter for Easily Measuring pH and ORP. Designed with a large LCD Display and six instructional menu buttons, AB23PH is a simple and straightforward pH meter. Auto buffer recognition and 3-point calibration capability ensures a reliable calibration result. Stand-alone holder…
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FermProbe? pH Probe,12x120mm Broadley-James
Bellco GlassThe fermprobe pH electrode with s8 metric cap features a standard s8 detachable cable connector on a metric pg 135 threaded polymer cap the design requires the rotation of the electrode during installation this style of pH fermprobe is the first choice for small autoclavable bench-top vessels all…