"WardsSci000338"

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

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

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

Our HALO2 Wireless Field pH Tester has a durable PEI body and spherical sensing bulb, perfect for use in the field.

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

High-precision benchtop pH and ORP meter with advanced data logging and diagnostics.

Top Seller! Designed to bring simplicity to pH testing during the any process, the HI98100 Hanna Checker® Plus pH Tester is designed for direct measurement. A replaceable electrode extends the life of your digital pH tester.

Sleek, versatile pH and ORP meter designed for laboratory, classroom, or field use.

This pH tester is an easy-to-use pH water tester that makes monitoring water quality simple. This accurate pH tester features 0.1 resolution with automatic two-point calibration and temperature compensation in a single, portable, pocket device.

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.