Alarming Area monitor.  Can operate GM or Scintillation probes.  Originally set up to operate a 3X3 NaI detector.  Great for use as a screening tool, area monitor, or portal monitor to ensure radioactive materials do not cross a boundary.

General purpose log ratemeter for area monitoring, criticality monitoring, source position monitoring,.  Readout on a 4 decade log count ratemeter.

Alarm independent of log ratemeter.

Has high voltage disable to allow use of a door interlock.