LACO’s Helium Concentration Tester is designed to measure helium concentration in production parts previously filled with helium gas. It works in conjunction with a helium mass spectrometer to provide excellent accuracy and fast response times, typically less than 5 seconds.


  • Micro-controller based control system
  • Test, calibration and advanced settings
  • Data collection and software updates via USB port
  • Sniffer probe for sampling at atmospheric pressure