"Vernier"

Measure electrical signals from muscle contractions, or make EKG tracings and surface EMG recordings.

Inexpensive data collection direct to any TI-Nspire® handheld or TI-84 Plus graphing calculator.

Replacement package of 100 electrodes.

Ideal for experiments using UV lamps.

Study Newton's third law.

The CO₂ gas sensor measures gaseous carbon dioxide.

Electronic electroscope to obtain quantitative measurements of charge.

Use this sensor for weather studies, monitoring greenhouses, or for determining days when static electrical discharges could be a problem.

Use the Turbidity sensor to measure the turbidity of freshwater or seawater samples. Its small, sleek design and simple setup make it easy to use at the collection site or when you return to the classroom.

Measure the concentration of ethanol in air above an aqueous sample.