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.

pH Meters Products (244)

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  • pH Economical Pocket Testers

    Milwaukee Instruments
    Item #:
    1188H43-TS

    The pH600 is a pH tester can be used in many different applications and is considered an excellent starter unit for digital pH measurement. The calibration procedure is very simple and fast. This tester has 1 point manual calibration, ±0.1 pH accuracy and a range of 0.0 to 14.0 pH. The...

  • pH Controller and Pump

    Milwaukee Instruments
    Item #:
    1188J11-TS

    Control 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 flow of...

  • Standard Portable ORP Meter

    Milwaukee Instruments
    Item #:
    1188H48

    Standard 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 performs ORP...

  • pH / ORP / Conductivity / TDS / NaCl / Temperature Laboratory Bench Meter
    Item #:
    1188H67

    The automatic temperature compensation can also be disabled for measuring the actual conductivity value. The stability indicator on the LCD ensures accuracy. Conductivity readings are performed with the 4-ring probe supplied with the meter. The GLP feature allows users to store and recall data on...

  • ORP Waterproof Dual Level Tester
    Item #:
    1188H39-TS

    IP65 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...

  • pH / Temperature Laboratory Bench Meter
    Item #:
    1188H58

    Mi150 is an advanced pH/Temp microprocessor-based bench meter. It is ideal for students and technicians who need fast and reliable measurements. This meter is provided with a series of new diagnostic features which add an entirely new dimension to the measurement of pH, by allowing the user to...

  • Bench Top Meter Electrodes
    Item #:
    1217K38-TS

    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...

  • Standard Portable pH / Conductivity / TDS Combination Meter
    Item #:
    1188H65

    3 meters in 1! This meter allows you to measure pH, EC (conductivity) and TDS with just one instrument and one single probe! The AG900, with a conductivity range that goes up to 6.00 mS/cm and the TDS up to 4000 ppm is ideal for testing in crop production. Soil and well water pH that is too acidic...

  • pH Waterproof Dual Level Testers
    Item #:
    1188H40-TS

    pH55 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...

  • Starter Series 2100 Bench pH Meters
    Item #:
    1185M68-TS

    Economical pH Bench Meter for Basic Laboratory Applications 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 benchtop pH meters. Starter 2100 is the economical choice for applications requiring simple...

  • PH200 Portable pH Meters

    labForce® (a Thomas Scientific Brand)
    Item #:
    1147H75-TS

    The labForce TS-PH200 Portable pH Meter combines advanced digital processing technology and software design, specially designed for all types of professional pH measurements. The meter has a ±0.01 pH accuracy in a range of -2.00-19.99 pH., with 0-100°C Automatic Temperature Compensation...

  • Starter Series 300 Portable pH Meters
    Item #:
    1185M75-TS

    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 durability...

  • Star™ A211 pH Benchtop Meters

    Thermo Scientific Orion
    Item #:
    1218X34-TS

    Thermo 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...

  • Standard Portable pH / Conductivity / TDS Combination Meter with 0.1 pH Resolution
    Item #:
    1188H60

    3 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 is supplied...

  • PH200 Portable Meter Kit for Food & Dairy

    labForce® (a Thomas Scientific Brand)
    Item #:
    1147H79

    The labForce TS-F200 portable food pH meter is a perfect combination of the most advanced digital processing technology, software design, and electrochemical sensor technology, specially designed for the pH measurement of food (meat, cheese, dairy products, fruit, etc.) and other solids/semi-solids...

  • DO700 Benchtop pH/DO Meters

    labForce® (a Thomas Scientific Brand)
    Item #:
    1147H71-TS

    The labForce DO700 Benchtop pH/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: stable measurement display...

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