Field pH Meters
Field pH meters, pH testers, and pH electrodes are essential tools for accurately measuring the acidity or alkalinity of various samples in outdoor and laboratory settings. These devices are vital for Scientists, researchers, and professionals who require precise pH readings. 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.
Also available at Thomas Sci are our water quality test kits and water quality test strips.
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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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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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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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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pH 700 Benchtop Meter
OaktonCompact footprint is over 40% smaller than other benchtop meters Large display permits easier readout viewing Datalogging allows you to store and recall up to 100 data sets The easy-to-use, microprocessor-based pH 700 benchtop meter measures pH, mV, relative mV, and temperature. The…
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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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pH/Cond 3320: Professional pH/conductivity meter with 2 inputs (DIN, 8 pin socket), backlit graphic display, for mobile application with data logger and USB interface. Single instrument including short instruction manual, CD-ROM and batteries, cable. pH/Cond 3320 SET 2: …
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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 and phono jack printer connections Take it…
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STARTER™ PH Bench Meter
OhausAffordable Benchtop pH Meter with Electrode ST320 for Basic Laboratory Applications. User-friendly bench meter that clearly displays information - with five distinctly marked keys which allow users to operate with minimal training. Designed with a clear, user-friendly interface and the ability to…
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Highly Reliable and User-Friendly pH Benchtop Meter with Electrode (ST310) for Standard Laboratory Applications with multifunctional touch keypads, AB33PH makes measurement simple and fast within 3 steps. The intelligent i-Steward monitors the condition of electrodes for accurate results. Auto…
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SD 60 Redox/ORP Meter
LovibondThe SD 60 Redox/ORP Tester is ideal for field testing in environmental or industrial settings as well as for pool and spa testing! The robust housing is completely waterproof (IP67 rated!) and the intuitive scroll-bar functionality combined with a backlit display enable the easy measurement…
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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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The portable WTW ProfiLine meter series is available in three (3) series versions, the 3110/3205-Basic series, 3210-Professional series and 3310-Advanced series, each with a distinct level of sophistication for the independent measurement of pH, conductivity, or dissolved oxygen. All versions have…
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Upgrades to design and function won't break the bank Expanded 4-digit dual-line display shows pH and temperature readings simultaneously Additional key provides an easier, more intuitive interface Improved cap functions as a sample cup and as a stabilizing base to stand the meter…
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pH Waterproof Dual Level Testers
Milwaukee InstrumentspH55 IP65 Waterproof pH tester with Large dual-level LCD that displays pH and temperature (°C or °F). The large display shows readings in an extended range from -2.0 to 16.0 pH and simultaneously shows temperature from -5.0 to 105.0°C or 23.0 to 221.0°F. pH56 IP65 Waterproof pH…
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Large Display ORP Pen
Sper ScientificFor ORP (Oxygen Reduction Potential) measurement in water treatment, disinfection and labs. Highly stable and accurate readings with a large LCD display. Designed for simple one-hand operation. Features auto power off, hold function, and a low battery indicator. The case is IP65 waterproof, and…
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pH Probe,12x325mm Mettler
Bellco GlassElectrodes are filled with gel reference electrolyte under a pressure of 25 BAR pressure range from vacuum up to a process of max 36 PSI 25 BAR. Temperature range steam sterilization autoclave to 266F to 130C. In-Situ sterilization up to 100 cycles under standard conditions. Gel electrolyte…
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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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edge® pH Meters
Hanna InstrumentsHanna Instruments is proud to introduce the world’s most innovative pH, EC, and DO meter... edge ® . edge ® is thin and lightweight, measuring just 1⁄2” thick and weighing less than 9 ounces. edge ® has an incredibly wide viewing angle, 5.5” LCD and a…
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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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FermProbe pH Probe,12x325mm 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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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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Simple-to-Use Benchtop Meter Designed to Easily Measure Conductivity, TDS and Salinity. With six instructional menu buttons and auto temperature compensation, it is an easy and straightforward meter for measurement. A large 5-inch backlit LCD display with complete measurement information simplifies…
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MAX Waterproof pH/ORP/Temp Portable Meter
Milwaukee InstrumentsThe Milwaukee MW105 MAX Waterproof 3-in-1 pH/OPR/Temp. meter has won fans around the world with its reliable, fast and simple operation as well as its toughness and IP67 Waterproof rating. Accurate to ± 0.02 pH with automatic or manual temperature compensation and built in GLP key. Ideal for…
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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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All three parameters, plus temperature, measured and displayed simultaneously! These top-of the-line waterproof meters offer features that are typically found on much more expensive models. The IP67-rated housing allows use in dirty and wet environments without harm to the meter. Datalog up…
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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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Measure pH, mV (ORP) and temperature accurately in the laboratory with the YSI pH 1110. This benchtop instrument for basic, routine measurements in the lab is an accurate and easy-to-use solution for repeatable pH or mV measurements. Features: Single channel measurement of pH or mV…
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SevenDirect SD23 pH/Cond Meter
Mettler ToledoThe pH/conductivity Meter SevenDirect SD23 provides accurate pH and conductivity 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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Thermo Scientific Expert CTS Conductivity/TDS/Salinity Pocket Tester with…
Thermo Scientific OrionThe Thermo Scientific™ Expert CTS Pocket Tester is designed for on-the-go measurements such as – Conductivity, TDS, Salinity, Temperature and other related electrochemistry measurements. The Expert CTS Pocket Tester is best used in applications such as environmental monitoring,…
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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,…