"Complete+Meter+Stick+Optics+Bench"

These Optical Refraction Components are made from imported optical glass or acrylic with optically worked surfaces.

Thick Plastic Ideal for Classroom Use.

Reads pH, ORP (oxygen reduction potential), mV, conductivity, TDS (total dissolved solids), salinity and temperature.

Whiteboard Color Optics are a complete system for investigating color, reflection, and refraction.

An all-inclusive solution

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.

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This set has been designed for simple and clear demonstration of the principles of geometrical optics - transmission, reflection and refraction.

A handy addition to your optical bench, this light source features a 7.5 watt incandescent lamp plus a cord and plug for connection to 110 VAC power source.

High precision, quantitative atomic spectra experiment.

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.

Designed for today's crowded laboratory benchtops!

Full range of AC meters.

Advanced portable system for dissolved oxygen, pH, and conductivity testing in field conditions.

Easy to read numbers.

High quality light source with a built in object for optical benches.

Lightweight, Versatile Unit