FreeZone 4.5L Features

Additional Features

  • 3” diameter port (for connecting drying accessories)
  • Displays collector temperature, vacuum level, and optional End-Zone™ end point detection system in real time
  • Modes: Collector cool-down (start-up) and vacuum pull-down (automatic or manual)
  • Operating mode (standby or run)
  • Settings: multi-language, time, time zone, temperature (° C or ° F), and vacuum (mBar, Torr, or Pa)
  • Vacuum set point, alerts, diagnostic tests, user manual, defrost control, and optional drying accessory parameters
  • Data logging storage and display: table or chart format exportable via USB or Ethernet
  • Programmable alerts can be sent via Ethernet connection to user-entered email addresses.
  • Display settings: brightness, touch sounds (on/off), and screen time out in minutes (on/off)
  • Maintenance alert settings include vacuum pump oil change, refrigeration cleaning, total operating hours and line voltage offset
  • Level-specific security lock-out prevents changes to programs and other system parameters
  • Hot gas defrost with auto shut off at +65° C (+149° F)
  • On/standby switch
  • Moisture sensor prevents refrigeration or vacuum start-up when moisture is detected in the drain line
  • USB port (side-mounted) and Ethernet connection (rear-mounted)
  • Side-mounted, quick-disconnect drain hose fitting and lanyard with hose connector
  • Rear-mounted electrical receptacle for vacuum pump connection
  • Includes: 18", 1/4" ID silicone tubing and clamp, 3-wire electrical cord with plug
  • 3/4" OD vacuum connection, 50" of 3/4" ID vacuum hose and two clamps
  • Vacuum control valve maintains vacuum level set point
  • Vacuum break valve bleeds air into the system in event of power outage
-50°C Collector Temperature
  • For aqueous samples
  • Single 1/3 hp HCFC/CFC-free refrigeration system
  • Removes over 2 liters of water in 24 hours
-84°C Collector Temperature
  • For samples with low eutectic points including acetonitrile
  • Two 1/3 hp HCFC/CFC-free refrigeration system
  • Removes 4 liters of water in 24 hours
-105°C Collector Temperature
  • For samples with very low eutectic points including acetonitrile and diluted methanol or ethanol
  • Two 1/2 hp HCFC/CFC-free refrigeration systems
  • Removes 2.5 liters of water in 24 hours