"Complete+Meter+Stick+Optics+Bench"

Measure oxygen concentration and percent saturation

Double convex lens for optics experiments.

Craft Sticks

For all Optical Applications

Easily and precisely measure the total dissolved salt content in ocean or brackish water.

Connect your smartphone to your laboratory optics.

Stabilize glassware on orbital or rocking shakers and eliminate slippery conditions on benchtop surfaces with this versatile non-slip safety mat.

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

Soakers are designed to speed clean-up time and protect lab tabletops from acids, dyes, and radioactive applications

The flow rate sensor measures the velocity of water in studying the discharge, flow patterns, and sediment transport of a stream or river.

Variety of lenses for optical experiments.

Parallel-Sided Blocks for Ray Optics

These heat-insulating pads with low thermal conductivity are made from flexible aluminum and silica oxides with a small amount of organic binder.

For Versatile Optical Applications

Improves visibility in sodium and potassium flame tests.

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.