Hanna HI98191 | Waterproof Portable pH/ORP/ISE MeterThe Hanna HI98191 is a professional, waterproof, portable meter for users who need pH, ORP, ISE, and temperature measurements in a single rugged field instrument. It is suitable for environmental labs, water treatment companies, industrial quality control, research teams, chemical testing, and field service departments. This model extends beyond standard pH measurement by supporting ion selective electrode testing with selectable concentration units.

Site installation

While calcium forms hard scale

Advanced touchscreen pH/ORP benchtop meter

which allows for easy accessory changes using only one wrench—a significant upgrade over older models that required two

and environmental monitoring agencies

The 12V battery is part of the Bosch Professional 12V System (formerly 10

They are the standard consumable for industrial ETP managers testing active textile and manufacturing wastewater using Hanna's COD photometers

Utilizing a highly efficient 10 Amp motor

Brick cutting

Relay output for alarm

it establishes the acidic measurement slope of a pH electrode

making it an essential tool for professional mechanics and metalworkers