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HI12302 HALO Wirless pH & Temperature Electrode

HALO PEI Body Gel Filled pH Electrode with Bluetooth
  • Our HALO® Wireless Field pH Meter has a durable PEI body and spherical sensing bulb. All readings are transmitted directly to your Apple or Android device or the edge®blu.

    • Take laboratory grade pH and temperature measurements using your smart phone or tablet.
    • Easily connect to the Hanna Lab App at the press of a button via Bluetooth wireless technology. 
    • Group your data by time or notation. Email it for storage or share it with friends or colleagues. 
    • Great for aquariums, education, environmental, and more! 


    Download the FREE app and try before you buy!
    Download Hanna Lab app Download Hanna Lab app


    pH electrode

    The HALO® Wireless Field pH Meter incorporates Bluetooth® Smart technology with an application-specific design. There are several features that make it ideal for taking pH measurements in the field.

    pei body

    PEI Body

    PEI is suitable for a wide range of applications and excels in field measurements due to its durability. The shielding around the spherical glass tip minimizes breakage due to accidental bumping or dropping of the electrode. PEI is a high quality plastic that is chemically resistant to many aggressive chemicals.

    temperature sensor


    Built-In Temperature Sensor

    HI12302 features a built-in temperature sensor for temperature measurement and compensation.

    Speric Tip


    Spheric Glass Tip

    The spheric bulb is for general purpose use within laboratory environments and applications that measure aqueous solutions due to its large surface area.

    HALOTM - pH Probe with Bluetooth Smart Technology


    Real-Time Data

    Display of pH and temperature updated every second. Readings are automatically saved to a history file every hour, limited only by the available memory on the device.


    Fluid, Dynamic Graphing

    Measurements can be displayed alone on the display, with tabulated data, or as a graph. The graph can be panned and zoomed with pinch-to-zoom technology for enhanced viewing.


    GLP (Good Laboratory Practice)

    Displays date and time of current calibration, offset, and average slope, along with calibrated buffers, mV values, temperature and slopes between each buffer.

    HALO pH probe features

    Calibration Reminder & Measurement Alarms

    The Hanna Lab App alerts you when HALO needs calibration or if a measurement threshold is exceeded.


    Log & Share Data

    Saved log files may be annotated with measurement-specific information. Data is easily shared via email in CSV or PDF format.


    Help & Tutorials

    Demo mode helps you explore features of the Hanna Lab App. General app information, HALO information, pH tutorial, maintenance tutorial, and contact information are available in help.

    HALO Features/Benefits:

    Connects to Hanna Lab App with a compatible Apple or Android Device via Bluetooth Smart Technology (Bluetooth 4.0)

    Up to five-point pH calibration with seven standard pH buffers available 
    Calibration reminder
    • Alerts you when HALO needs calibration
    • Appropriate preprogrammed calibration buffer set for application specific Halo pH electrodes
    Real-time data
    • Displays pH and temperature updated every second
    Basic Good Laboratory Practice (GLP)
    • Displays date and time of current calibration along with offset and average slope
    Full GLP
    • Displays date and time of current calibration, offset and average slope along with calibrated buffers, mV values, temperature and slopes between each buffer
    Fluid, dynamic graphing
    • Measurement can be displayed with tabulated data or as a graph. The graph axes may be expanded using pinch-to-zoom technology for enhanced viewing
    Measurement alarms
    • Alerts you if the measurement threshold is exceeded
    One button sample tagging
    • Pressing either the icon in the Hanna Lab App or button on the HALO will tag sample data for easy reference
    Data logging with custom annotations
    • Saved log files may be annotated with measurement  specific  information
    • Data is autosaved every hour
    Four ways to save and share data:
    • All data since last autosave
    • Annotations only
    • All data within a timed interval
    • Annotations only within a timed interval
    Share data via email in CSV format

    Help and tutorials:
    • Demo mode to help explore features of the Hanna Lab App
    • General app information
    • General HALO information
    • pH tutorial
    • Maintenance tutorial
    • Contact information


    HALO is compatible with the following devices: 

    Compatible with most devices equipped with Bluetooth Smart Technology (Bluetooth 4.0) and running Android 4.3 or later. 

    iPad (3rd generation or newer)
    iPhone (4S or newer)
    iPod Touch (5th generation or newer)