![GCA-07W Professional Digital Geiger Counter - Radiation Monitor - with External Wand - NRC Certification Ready- 0.001 mR/hr Resolution - 1000 mR/hr Range: Science Lab Geiger Counters: Amazon.com: Industrial & Scientific GCA-07W Professional Digital Geiger Counter - Radiation Monitor - with External Wand - NRC Certification Ready- 0.001 mR/hr Resolution - 1000 mR/hr Range: Science Lab Geiger Counters: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/71WTFEnbM-L._AC_UF1000,1000_QL80_.jpg)
GCA-07W Professional Digital Geiger Counter - Radiation Monitor - with External Wand - NRC Certification Ready- 0.001 mR/hr Resolution - 1000 mR/hr Range: Science Lab Geiger Counters: Amazon.com: Industrial & Scientific
![GCA-03W Geiger Counter Nuclear Radiation Detection Monitor with Digital Meter and External Wand Probe - NRC Certification Ready- 0.001 mR/hr Resolution - 350 mR/hr Range: Science Lab Supplies: Amazon.com: Industrial & Scientific GCA-03W Geiger Counter Nuclear Radiation Detection Monitor with Digital Meter and External Wand Probe - NRC Certification Ready- 0.001 mR/hr Resolution - 350 mR/hr Range: Science Lab Supplies: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/717N3aVZY5L._AC_UF1000,1000_QL80_.jpg)
GCA-03W Geiger Counter Nuclear Radiation Detection Monitor with Digital Meter and External Wand Probe - NRC Certification Ready- 0.001 mR/hr Resolution - 350 mR/hr Range: Science Lab Supplies: Amazon.com: Industrial & Scientific
![Geiger Counter Radiation Detector Personal Nuclear Radiation Detector, Digital GM Counter Pocket Anti Radiation Dosimeter for Marble Nuclear Reactors, Nuclear Weapons Fallout And Dirty Bombs 1000μSv/h: Amazon.com: Industrial & Scientific Geiger Counter Radiation Detector Personal Nuclear Radiation Detector, Digital GM Counter Pocket Anti Radiation Dosimeter for Marble Nuclear Reactors, Nuclear Weapons Fallout And Dirty Bombs 1000μSv/h: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/61gNe4bCmkL.jpg)