"WardsSci000338"

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.

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.

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.

This tester is an advanced, waterproof conductivity and TDS (ppm) tester for quick and easy measurements while on the go. This lightweight, waterproof conductivity tester offers accurate conductivity (0 to 3999 µs/cm), TDS (0 to 2000 ppm), and temperature measurements in a single, portable, pocket device. No more switching between meters for your routine measurements.

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.

Functional and accurate, this meter is capable of testing 12 different water quality parameters using pH, EC, and optical DO sensors. Transfer data to a smart device for review or sharing with the integrated Bluetooth connection and Hanna Lab App.