"water bath"

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.

Reads either pH (in 0.01 resolution) or mV in large digits, with time, date, and temperature (in °C or °F) shown simultaneously on the lower display.

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

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

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

Precision instruments made for repetitive use in student field investigations.

Rugged, reliable meters designed for educational outdoor experiments.

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

Rugged, reliable meters designed for educational outdoor experiments.

This user-friendly meter has a long battery life and plenty of helpful functions.

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

Designed to bring simplicity to environmental testing, this pH/EC/TDS Meter is designed specifically for use in manufacturing and environmental testing protocols. The specialized electrode combines 3 sensors in a single rugged probe body featuring a polypropylene body, integrated temperature sensor, and cloth junction.

Portable for easy, convenient carrying into the field, this pocket-sized meter features a digital display and is equipped with automatic temperature compensation.

Sale

This pH tester is sleek tester is accurate to 0.1 pH with a built-in thermometer to automatically adjust the pH reading for temperature. The waterproof design (it floats), simple operation, and replaceable electrode mean that you can rely on this meter for years. The large LCD display shows both pH and temperature readings simultaneously, while a stability indicator is displayed to alert you when a stable reading has been obtained.