is 485.68 KB, has a resolution of 288x965 pixels and was uploaded on February 18, 2022 @ 1:18 am by user: hannakch. It is filed under the tags: geiger counters, survey meter, radioactive contamination, ludlum measurements, hardware. Click the blue button at the top to freely download: Ludlum Radiation Detectors Geiger Counters Measurements Ionizing Radioactive Decay png.