"role ENTERPRISES, INC."

This palm-sized pH meter with cabled electrode can measure pH, voltage potential difference (mV) and temperature.

Flat electrode surface allows pH readings in liquid flms, semi-solids, and solids.

Rugged, reliable meters designed for educational outdoor experiments.

Compact and easy to use-ideal for students to learn the basics of EC in the classroom.

With a long-lasting design, these 2-in1 testers are a smart choice for student experiments in both the classroom and field applications.

Precision instruments made for repetitive use in student field investigations.

These durable EC testers feature a replaceable electrode and are ideal for student use in the classroom and field environments.

Compact and easy to use-ideal for students to learn the basics of TDS in the classroom.

Multi-parameter meters engineered for student use in real world testing environments.

Compact and easy to use-ideal for students to learn the basics of pH in the classroom.