DIY Geiger Counter Module with Tube, USB & LCD Display — Nuclear Radiation Detector 380V-550V

Handheld DIY Geiger counter module for nuclear radiation monitoring. Measures γ radiation across 20mR/h-120mR/h and registers soft β particle events in the 100-1800 counts range. Compatible with a variety of Geiger tubes including M4011, STS-5, SBM20, J305, etc. Onboard LCD provides immediate readout, while an interrupt output interface allows easy connection to microcontrollers. USB connectivity enables PC data acquisition and is suitable for analysis and processing with MATLAB. The module includes a built-in audible & visual alarm and operates on a 380V-550V supply.