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 (220)

Compare Tool

Select up to 3 products

  • > Next
  • Image of Traceable® Salinity Meter

    Item #:

    Traceable® pens for conductivity, dissolved solids, and salinity provides for conductivity, conductivity/total dissolved solids and salinity. Meters fulfill requirements for CAP, ASTM, NCCLS, CLSI, ACS, CLIA, AOAC, EPA, APHA, AWWA, WEF, USGS, USP, ISO and Federal/State regulations. Waterproof unit...

  • Image of Ion 2700 pH/Ion/mV/Temperature Meter


    GLP-compliant meter with pH, ORP, or ion concentration capability is perfect for water, wastewater, or food applications Large display with bright backlight Dynamic reading stability indication displays when your measurement is stable Up to 500-point memory with date-time stamp for GLP Password...

  • Image of Refillable, Combination pH Electrode


    Refillable, 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.: 20 to 40°C (68 to 104°F)...

  • Image of Conductivity Expansion Unit

    Mettler Toledo
    Item #:
  • Image of Electrodes and Accessories for Inolab Benchtop pH Meters


    Electrodes 4258A53 electrode allows ORP measurements to be performed with all WTW pH/mV meters. Requires 4258A57 cable for use with Inolab Meters.

  • Placeholder Image for IQ 150 Portable ISFET pH Meter

    IQ Scientific
    Item #:
  • Image of Minilab Waterproof ISFET pH Testers


    Advanced silicon chip pH sensor provides stable readings in seconds Virtually unbreakable sensor Measures samples as small as a single drop pH Testers feature a digital LCD with 0.1 pH resolution and automatic temperature compensation. The non-glass, ISFET sensor stores dry and requires no...

  • Image of Multi-Probe Systems


    Versatile, multi-parameter hand-held instrument Measures DO, conductivity, temperature, salinity, pH and ORP in one meter Compatible with EcoWatch™ for Windows™ data analysis software Easy-to-use screw-on cap DO membranes Stores over 49,000 data sets, time and date stamped Available...

  • Image of Dual Star™ pH, ISE, mV, ORP and Temperature Dual Channel Benchtop Meters

    Thermo Scientific Orion

    Double 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...

  • Image of pH/Conductivity Tracer


    Measures 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, °C and...

  • Placeholder Image for pH 4, 7, 10 Electrode Simulator

    Item #:
  • Image of pH Meters and Accessories

    Sper Scientific

    The Basic pH Meter has large 7/8" high digits and a lightweight design. Ideal for both field and lab applications. Simple to operate and works with any electrode with a BNC connector. Measures the full 0 – 14 pH range with a high 0.01 pH resolution. Features 2 point calibration, hold function,...

  • Image of Electrodes for pH/ORP/C Meters


    Electrodes for use with pH/ORC/C Meters    Note: Meters were previously discontinued.

  • Image of Accessories for pH Plus Direct Meter


    Accessories for pH Plus Direct Meter

  • Placeholder Image for pH Simulator

    Item #:
  • Image of pH Turtle System


    Turns a PC into a pH meter pH range: 0.0 to 14.0 Continuous logging on monitor Compensate for temperature from keyboard Read pH directly onto computer. Alarms can be set for Min/Max readings. Data can be placed in graphic or table formats. Does not require a power supply or serial box. System...

  • > Next

Compare Tool

Select up to 3 products

Please Log In

Don't have an Account? Create one now.