Test Meters Digital

The Hanna Instruments 98121 (HI98121) Waterproof pH/ORP/Temperature Tester combines three essential water testing functions into one durable, pocket-sized device. This multi-parameter meter is ideal for professionals who need quick and accurate pH, ORP (oxidation-reduction potential), and temperature readings in the field or at the lab.

With a rugged, waterproof IP67-rated body, the 98121 is designed for harsh environments. It features automatic temperature compensation (ATC), a hold function, and a dual-level LCD display that simultaneously shows both pH (or ORP) and temperature. The replaceable pH electrode and easily accessible battery compartment make this unit a long-lasting, serviceable investment for any water quality program.

Whether you're testing drinking water, pool chemistry, environmental samples, or wastewater effluent, the 98121 delivers reliable performance and accurate results wherever you need them.

What’s Included

• Hanna 98121 waterproof pH/ORP/temperature tester

• Replaceable pH electrode

• Protective cap

• Electrode storage solution

• Instruction manual

• Batteries (pre-installed)

• Carrying case (model-dependent or optional)