Geiger Counter — Not Available Yet —

Geiger Counter


  • Compact unit
  • Software designed for Linux/Windows
  • 12 Volt adapter
  • High Voltages up to 1200V
  • Avalanche begins at around 1000V
  • Signals accessible for monitoring on an oscilloscope

  • Direct access via a serial monitor. Command list
    • TIME 10 ; Set 10 seconds window for counting
    • START ; start the counter
    • TIME? ; elapsed time
    • STOP ; stop the GM Counter . Automatically stops on timeout.
    • VOLTS 500; set 500 volts
    • VOLTS? ; read voltage
    • COUNT? ; read total counts and elapsed time in mS
    • V? ; Short version
    • VER? ; read version string “cspark research GM Counter x.x”
  • Software includes a built-in Python interpreter for programmable acquisition sequences.
    • Example code provided for acquiring and plotting counts in a 60 second window for voltages ranging from 200V to 1000V.