Hanna Instruments is the world's leading brand in pH measurement and analysis. Pioneers in the design and development of advanced feature pH meters.

Hanna is a global manufacturer of analytical instrumentation. We offer benchtop & portable meters that test parameters such as pH, ORP, EC, DO and more.

Hanna Instruments HI98103 checker pH Meter is designed for direct pH measurement and features a replaceable electrode to extend the life of the tester.

Shop our selection of highly accurate and simple to use benchtop pH meters. Hanna's benchtop pH meters boast an excellent value due to their comprehensive range of features and affordability.

Digital pH and TDS Meter Kits, 0.01pH High Accuracy Pen Type pH Meter ± 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter for Hydroponics, Pool and Aquarium, Yellow Blue, UL Certified

The HI991001 is a compact, waterproof, portable pH/temperature meter that is supplied complete including a rugged carrying case and a unique titanium body pH electrode that has a built-in temperature sensor.

The HI98199 is a versatile meter that can monitor pH, EC, and dissolved oxygen when paired with the respective probe. Hanna’s pH probe is included with the HI98199 and the EC and DO probes can be ordered separately.

The HI98107 pHep® is an easy-to-use pH water tester that makes monitoring water quality simple. This accurate pH tester features 0.1 resolution with automatic two-point calibration and temperature compensation in a single, portable, pocket device.

One of the most popular pH meters on the market, this splashproof, portable meter delivers fast, accurate pH, ORP and temperature measurements. Not only does it offer a 0.01 pH resolution across the pH scale, but it is also easy to use without constant reference to an instruction manual.

The HI-6221 Advanced Benchtop Meter for pH and ORP is a laboratory-grade solution for accurately measuring key parameters in a wide range of samples. This laboratory pH meter includes WiFi and ethernet connectivity, on-screen tutorials and five different viewing modes during measurement for flexibility and efficiency in testing pH and ORP.