Nobody stocks a larger inventory of used scintillation and beta counters than ALT. Whether it be the Perkin Elmer Top Count or Microbeta Trilux, all of our systems are fully tested by our in-house experts and carefully fine-tuned to manufacturer's specification. Systems range from 1 - 12 detectors and can accommodate single microplates or up to 32 microplates utilizing stackers. For used scintillation and beta counters, ALT is your trusted your source. All systems are delivered with our industry leading warranty.