Run the Exercise

To run this exercise click here: Before you can run the exercise you need to have booked a time slot (see below) and have installed the appropriate LabView plug-in (as explained on the main RoboLab page).


To book a time slot for using this remote controlled laboratory you must contact Jon Petter Omtvedt (UiO). Please provide full name, affiliation and when you would like to run the exercise. You will not be able to use the system before you have received a username and password.

CINCH_approved.pngLearning Goals


In this exercise, you use RoboLab to measure the radiation of a γ source with a NaI detector. Absorbers of different materials and varying thickness are placed between the source and the detector to demonstrate how the gamma ray intensity is attenuated by the shielding.

Student Guides

Teacher Guides

Alternative uses

Developed By

Jon Petter Omtvedt, Nuclear Chemistry Group
Department of Chemistry, University of Oslo, Norway

Feedback and Ideas from Users and Supervisors

Feedback and improvement ideas from users (student and teachers) for this RoboLab exercise - absorption of gamma radiation - is collected here.