Meet the HALO Wireless pH Meter.

Take laboratory grade pH and temperature measurements using your smart phone or tablet.


Wireless pH Meters


Made in USA

Meet the HALO Wireless pH Meter.

Take laboratory grade pH and temperature measurements using your smart phone or tablet.



Wireless pH Meters


Made in USA

The HALO wireless pH meter makes pH testing simple. And here's the proof.


"Unbelievably simple."

Easy and convenient to use. Calibration, reading, and maintenance are unbelievably simple. Record keeping is done automatically for you.


Randy - Wine Maker

"Very cool!"

The HALO is perfect. If you are a hobbyist or a small commercial cheese maker this is the most cost effective tool and if you are a pro it is still perfect......very cool!


John - Cheese Maker

"It’s freaking wireless?!?"

The marriage of Bluetooth® HALO pH meter with connected electronics really changes the face of what the future of handheld environmental monitoring will look like.


Jake from Reef Builder

Since 2014, Halo provides small business owners and hobbyists a simple tool for high quality pH monitoring in the home or at work.


High performance testing made accessible.

Hanna HALO Bluetooth® pH meter is designed to help anyone get high quality pH and temperature results quickly and consistently.


Hanna Lab Application Screenshot

Download our app.

Get the latest Hanna lab app for iOS and Android to start your measuring experience.

One Press Connect

Connect your sensor.

Each wireless sensor operates with one button and is easily recognized by our Hanna lab app.

Hanna Lab App Calibration Screenshot

Calibrate HALO.

Calibrate up to five pH points. Your buffers are automatically recognized.

Measure with confidence.

Measure like a pro.

Your smart device is now a professional grade pH meter wherever and whenever you need it.

Trust in your results.

HALO's smart system tells you when your electrode needs cleaning or calibration.

Designed and built by the best.

Hanna Instruments is the world's biggest name in pH meters with millions sold.



Made in USA

Measure with confidence.

Measure like a pro.

Your smart device is now a professional grade pH meter wherever and whenever you need it.

Trust in your results.

HALO's smart system tells you when your electrode needs cleaning or calibration.

Designed and built by the best.

Hanna Instruments is the world's biggest name in pH meters with millions sold.



Made in USA

Customize your testing experience.

With several styles of pH electrodes to choose from, matching a HALO to your need is easy.

At Work


At Home



Monitor changes over time.

Fluctuations in temperature and pH can have lasting effects on your work. Lapses in consistency can impact your quality.

Hanna lab app on iPad

Recognizing when these patterns arise can help you understand what is happening, prompt you to take action, and help prevent future problems.


Try the Hanna lab app in demo mode for free.

Download on Google Play
Download from the App Store

Organize (and share) your results.

All of your results, all of the time.

Your Hanna pH lab app collects all of your pH and temperature data just in case you missed something.

Highlight your most important results.

Push button logging highlights your data of interest and can be noted for future reference and comparison.

Sort and share your data.

Group your data by time or notation. Email it for storage or share it with friends or colleagues.

Try the Hanna lab app for free on iOS and Android.

Hanna Lab App iPhone Screenshot

To help you get started.

Calibration

HALO Calibration Solutions

Maintenance

HALO Maintenance Solutions

Accessories

HALO Accessories