"Complete Meter Stick Optics Bench"

When you are looking for accurate results anywhere and anytime, look no further than the OHAUS Starter Series of pH pen meters designed for education.

When you are looking for accurate results anywhere and anytime, look no further than the OHAUS Starter Series of pen meters designed for education.

Visually demonstrate the conductivity of a solution.

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.

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 tester is a reliable, waterproof tester that ensures quick and easy measurements of both pH and ORP. This accurate pH and ORP tester features 0.01 pH resolution with automatic two-point calibration and temperature compensation in a single, portable, pocket device. No more switching between meters for your routine measurements.

Accurate. Waterproof. No more switching between meters for your routine measurements with the HI98130 pH and conductivity tester.

This multiparameter meter is a rugged, waterproof multiparameter meter. This meter's multi-sensor probe allows for the measurement of key parameters including pH, ORP, conductivity, dissolved oxygen, and temperature. The multiparameter probe transmits readings digitally to the meter, where data points can be displayed and logged. The complete water quality meter is simple to setup.

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.

This laboratory pH meter delivers precision while offering simplicity and versatility in a sleek design.

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

The VFM200 measures VOC (Volatile Organic Compound) and formaldehyde concentrations in real-time.

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.

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.