HALO® Wireless pH Meter for Flat Surfaces

The HALO^® Wireless pH Meter for Flat Surfaces incorporates Bluetooth^® Smart technology with an application-specific design. There are several features that make it ideal for measuring the pH of agar plates, skin, or leather, by providing a flat glass tip that allows a larger surface area than a typical pH electrode.

Flat Glass Tip

A flat tip optimizes surface contact for measurement on flat surfaces such as agar plates, skin, leather, paper, and samples that cannot easily be penetrated

Low-Temperature Glass Formulation

Low Temperature (LT) glass Low-temperature glass for fast stabilization and more accurate results at lower temperatures. This is beneficial since many food products are stored at low temperatures.

Open Junction Reference

The open junction design uses a solid gel interface between the sample and internal reference cell. This interface prevents silver from exiting the junction, but also makes it impermeable to clogging, resulting in a fast response and stable readings. Due to this design, the HALO can be used for smaller sample sizes as there is no junction to submerge.

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.

Calibration Reminder & Measurement Alarms

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

Log & Share Data

Works seamlessly with electronic lab notebooks (ELNs) to help you manage and share large quantities of pH experimental data.  Saved log files may be annotated with measurement-specific information. Data is easily shared via email in CSV 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.

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

Compatibility:

HALO is compatible with the following devices:

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

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

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Information about which products have Bluetooth Smart Technology (4.0), also known as low energy (LE), can be found here.