
Take Lab Grade Measurements Using a Smart Phone or Tablet
HALO® is the world’s first professional pH probe with Bluetooth® Smart technology (Bluetooth® 4.0). This technology is energy efficient, allowing for low power consumption to maximize the life of the replaceable battery used in the pH electrode. HALO pH probes can be used virtually anywhere: in the field, laboratory, or classroom. Their versatility and ease of use will revolutionize the way pH is measured.
HALO Features
One Press Connect
Connect to the Hanna Lab App at the press of a button via Bluetooth® wireless technology (10 m range (33’)). Visible from a distance, the LED halo light indicates the probe is active and transmitting.

One Button Sample Tagging
Pressing the button on the HALO pH probe or the probe icon in the Hanna Lab App will tag sample data for easy reference.
Easy to Replace Battery
The HALO’s CR2032 lithium-ion battery is easily replaced and lasts for approximately 500 hours.

Easy Calibration
HALO can be placed right into our calibration buffer sachets for easy calibration. Using a Hanna calibration sachet ensures your buffer is always fresh.

Take Lab Grade Measurements Using a Smart Phone or Tablet
HALO® is the world’s first professional pH probe with Bluetooth® Smart technology (Bluetooth® 4.0). This technology is energy...
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Take Lab Grade Measurements Using a Smart Phone or Tablet
HALO® is the world’s first professional pH probe with Bluetooth® Smart technology (Bluetooth® 4.0). This technology is energy efficient, allowing for low power consumption to maximize the life of the replaceable battery used in the pH electrode. HALO pH probes can be used virtually anywhere: in the field, laboratory, or classroom. Their versatility and ease of use will revolutionize the way pH is measured.
HALO Features
One Press Connect
Connect to the Hanna Lab App at the press of a button via Bluetooth® wireless technology (10 m range (33’)). Visible from a distance, the LED halo light indicates the probe is active and transmitting.

One Button Sample Tagging
Pressing the button on the HALO pH probe or the probe icon in the Hanna Lab App will tag sample data for easy reference.
Easy to Replace Battery
The HALO’s CR2032 lithium-ion battery is easily replaced and lasts for approximately 500 hours.

Easy Calibration
HALO can be placed right into our calibration buffer sachets for easy calibration. Using a Hanna calibration sachet ensures your buffer is always fresh.
