SparkFun Geiger Counter - SEN-11345 - SparkFun Electronics

Pocket Geiger Counter - Type 5 - SPX-14185 - SparkFun Electronics

Color Detector Sensor - SEN-11195 - SparkFun Electronics

Pocket Geiger Counter - Type 5 - SPX-14185 - SparkFun Electronics

PDF) IRJET- Design and Development of IoT based Geiger Muller counter

Geiger counter - air

SparkFun Geiger Counter from MindKits New Zealand

SparkFun Geiger Counter from MindKits New Zealand

The GCA-07W is a handheld personal nuclear radiation detector. A proven track record for detecting nuclear radiation in hospitals, medical research, industrial settings, transport containers, top soil, granite table tops, scrap metal, oil fields, objects and interior spaces.The external wand makes it easier to search materials and surfaces for radioactivity.

imagesco GCA-07W Professional Digital Geiger Counter - Radiation Monitor - with External Wand - NRC Certification Ready- 0.001 mR/hr Resolution -- 1000 mR/hr

Geiger Counter (Slightly Less Old-School) - SEN-09848 - SparkFun Electronics

Pocket Geiger Counter - Type 5 - SPX-14185 - SparkFun Electronics