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    Benchtop pH/Ion Meter

    Purchase economical price benchtop pH/ion meter online for ISE electrode. This portable pH/ion meter is a versatile instrument used for measuring the acidity or alkalinity of a solution (pH) and specific ion concentrations. It finds applications in various fields, including chemistry, biology, environmental science, and quality control.
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    Delivery date: 6-12 days

    Benchtop pH/ion meter features a digital display, electrode input, and a user interface for easy calibration and data recording. It employs ion-selective electrodes (ISEs) for measuring specific ions such as fluoride, chloride, sodium, and more.


    Model ATO-PHION-I300F
    Parameters pH/ISE/Temp.(mV/pX)
    pH Range -2.00 to 20.00pH
    Resolution 0.1, 0.01pH
    Accuracy ±0.01 pH
    Calibration Points Up to 5
    Standard Customization Yes
    Standard Recognition NIST, GB and DIN Buffers
    Slope Limit Yes
    mV/ORP Range -2000.00 to 2000.00mV
    Resolution 0.1, 0.01mV
    Accuracy ±0.1mV or ± 0.03% of Reading Whichever is Greater
    pX Range -2.00 to 20.00pX
    Resolution 0.1, 0.01pX
    Accuracy ±0.01 pX
    Calibration Points Up to 5
    ISE Range 1.000E to 9.999E+9
    Units mol/L, mmol/L, g/L, mg/L, μg/L, ppb
    Resolution Up to 4 Significant Digits
    Accuracy ±0.3%
    Calibration Points Up to 5
    Temperature Range -5 to 110ºC, 23 to 230 ºF
    Unit ºC, ºF
    Resolution 0.1
    Relative Accuracy ±0.2
    Measurement Reading Mode Auto Read (Fast, Medium, Slow), Timed, Continuous
    Reading Prompts Reading, Stable, Locked
    Temp. Compensation ATC, MTC
    Data Management Data Storage 500 Results Each
    GLP Features Yes
    Inputs Conductivity with Temp. Probe BNC(Q9)
    Temp. Probe 4-pin Aviation Connector
    Outputs USB PC
    RS232 Printer
    Display Options Backlight Yes
    Auto Shutdown 1~60 min, Off
    IP Rating IP54
    Date and Time Yes
    General Power AC Adapter, 100-240V AC Input, DC9V Output
    Dimension 242*195*68mm
    Weight 0.9kg


    • The benchtop pH/Ion/ meter comes with a 5.7-inch color high contrast LCD touchscreen.
    • Multi-reading function allows auto-read, timed-read and continuous-read.
    • Automatic/Manual temperature compensation ensures accurate results.
    • Auto-hold function senses and locks the measurement endpoint.
    • Data Storage 500 sets for each parameter (GLP-compliant).
    • Support for USB or RS232 communication.
    • Reset function automatically resumes all settings back to factory default options.
    • IP54 waterproof.


    • 1-5 points calibration with standard recognition.
    • Selectable pH buffer groups, including NIST, DIN, GB, USA.
    • Automatic electrode diagnosis with pH slope and offset display.


    • 1-5 points calibration.
    • Selectable measurement units, including μg/L, mg/L, g/L, mmol/L, pX, ppm, etc.
    • Multi-measurement modes are supported, including Direct Reading mode.
    • Over 10 methods are built-in, including F-, Cl-, Br-, I-, NO3-, BF4-, NH4+, K+, Na+, Ca2+, Cu2+, Pb2+, Ag+ and etc., user-defined method is supported.


    portable pH/ion meter application

    Tips: Difference between portable and benchtop ion/pH meters

    Portable ion/pH meters are handheld devices designed for on-the-go use, offering flexibility and mobility. They are compact, lightweight, and battery-operated, making them suitable for field measurements. Portable meters are ideal for situations where samples cannot be brought to a laboratory.

    On the other hand, benchtop ion/pH meters are larger, stationary instruments designed for laboratory settings. They typically offer higher precision and advanced features, making them suitable for detailed analysis and research. Benchtop meters are often equipped with a larger display, more extensive data storage capabilities, and can be connected to other laboratory equipment.

    While portable meters prioritize convenience and portability, benchtop meters prioritize accuracy and functionality for more controlled laboratory environments. The choice between them depends on the specific needs of the user, considering factors such as the intended application, sample volume, and required level of precision.

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