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The Ohaus® Starter Series of electrodes include pH, reference, oxidation-reduction potential (ORP), conductivity, dissolved oxygen (DO) and temperature electrodes.

Organized, economical survey of fossils.

Ideal tool for aquatic ecosystem studies. Collect periphyton samples with ease using this specialized sampler, perfect for water quality and aquatic ecosystem studies.

Designed with a clear, user-friendly interface and the ability to store up to 99 items in its internal memory, the Starter™ 2200 pH bench meter is a reliable and efficient addition to basic laboratories or science classrooms.

Explore charging by induction and discover how a Leyden jar stores electric charges.

The handheld refractometer is exceptionally simple to operate and provides quick, accurate measurements for the concentration of nearly any aqueous solution in a wide range of applications.

Liquinox is a concentrated, anionic detergent for manual and ultrasonic cleaning. Free rinsing to give you reliable results without interfering residues. Extremely mild and completely soluble in hard and soft water.

Measure sample temperature in hard-to-reach areas, including cuvettes, test tubes, flasks, and beakers.

Find the spring constant of a projectile launcher using the potential energy of its projectile.

This kit is a complete exploration into the properties of color and light.

Four student double faced workstation that provides a fully equipped science center.

A fully equipped, locking self contained demonstration unit constructed from select oak and oak veneers with chemical resistant, earth-friendly UV finish.

The handheld refractometer is exceptionally simple to operate and provides quick, accurate measurements for the concentration of nearly any aqueous solution in a wide range of applications.

The handheld DEF (Urea) refractometer features the largest, easiest-to-read scale available with clear, sharp figures, screen shading and incredible contrast. This significantly enhances overall precision, even when several different people use the refractometer.

A comprehensive set designed for safe and repeatable observation of electrostatic field lines using various electrode patterns.

The Flat-Pac™ Mini Kit is the most complete miniature first aid kit of its kind.