"hobo data logger"

This low-cost, portable unit instantly measures levels of harmful beta, gamma, and X radiations on its compressed scale meter.

With this meter, you can survey for alpha, beta, and gamma radioactivity or monitor a work area.

The ADVANCED Spectrometer System is capable for conducting a wide selection of spectroscopy experiments.

Versatile, easy to use, and compact precision instrument for measuring α-, β-, and γ-radiation.

Hertz electron tube for quantitative investigations of Inelastic collisions of electrons with inert gas atoms.

Robotics for grades 3 to 5.