The model CA5000 freezer backup alarm system from Hampshire combines a field proven alarm systems and liquid CO2 injection system to ensure products are kept at ultra-low temperatures. The system offers:

  • User-programmable alarm and control set points and alarm delay times.
  • Non-volatile memory to store parameters, which are maintained even when power is lost.
  • An internal battery with charger to keep the alarm running for at least 24 hours.
  • Low or disconnected battery indicator.
  • Backup time of at least 8 hours on one standard cylinder of CO2.
  • Relay output for central alarm systems or automatic dialers.
  • A door safety interlock switch that prevents CO2 injection while freezer is being accessed.