"AP PHYSICS LAB 9 STATIC EQUILIBRIUM."

Accurate answers in five seconds with a meter that automatically selects proper range and displays the exact answer.

Designed for direct measurement.

This pH meter is seriously thin and light with lab grade functionality packed into a tablet design. With simple operation and advanced features, edge pH easily outperforms all other portables and benchtops in its class. Advanced pH electrode diagnostics ensure worry-free measurements. Use this pH meter as a portable, benchtop meter, or mount it on the wall to save space.

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.

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

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

Built for durability and ease of maintenance these 4-in-1 testers are well suited for laboratory experiments and outdoor field work.

Precision instruments made for repetitive use in student field investigations.

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

With a long-lasting design, this 3-in-1 tester is a smart choice for student experiments in both the classroom and field applications.

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

Rugged, reliable meters designed for educational outdoor experiments.

Rugged, reliable meters designed for educational outdoor experiments.

Precision instruments made for repetitive use in student field investigations.

Rugged, reliable meters designed for educational outdoor experiments.