"Complete Meter Stick Optics Bench"

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

Designed for classrooms to control nutrient levels by automatically adjusting the conductivity levels in the nutrient tank.

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

Designed for classrooms to control nutrient levels by automatically adjusting the conductivity levels in the nutrient tank.

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

This continuous EC monitor features an easy to use, quick to set up design for real-time conductivity readings.