The Hanna Instruments-7698194-0 is a replaceable combination pH sensor for use with Hanna’s family of multiparameter portable meters and probes. The sensor body is constructed of durable PEI material and contains a double ceramic junction design. The Hanna Instruments-7698194-0 contains a glass pH sensing tip combined with an Ag/AgCl reference electrode in gel electrolyte. Each module is colour coded for easy installation and integration with the probe.

The probe features a quick connect that makes a waterproof connection with the meter. Sensors are automatically recognised by the probe and meter when connected. Any ports not used on the probe will not have the parameter displayed on the meter. Sensor replacement is quick and easy with field replaceable, screw type connectors that are colour coded for easy sensor identification. The probe features a multistrand-multiconductor shielded cable with 4m, 10m, 20m and 40m lengths available. It's rugged waterproof design makes it ideal for field use.