Control System:

• Microprocessor control system features touchpad data entry and digital display of all functions
• Setpoint security system with tamper-proof, key-operated switch for main power and alarm locks in temperature and alarm setpoints
• Independent operating temperature and high/low limit alarm functions with factory-set defaults for quick start-up
• All setpoint adjustable in 1ºC increments

Alarm System:

• Adjustable safety alarm with automatic, continuous-charge battery backup provides full alarm function in case of power failure
• Power failure or temperature deviation triggers audible and visual warning
• Digital battery indicator displays battery capacity; flashing low-battery indicator advises when to replace battery
• Touchpad alarm test function physically warms internal probe to simulate alarm condition
• Optional RS-232 data port includes system software package
• Exterior alarm contacts connect to remote monitoring system

Monitoring System:

• Extreme Ambient Alert warns if room temperature is too warm due to seasonal air conditioning or other factors which may affect performance
• Silent Witness Alert archives temperature deviation beyond pre-set parameters

Electrical System:

• Automatic voltage boost compensates for low voltage and brownout conditions
• On-board power monitoring features digital readout of incoming line voltage
• Optional free-standing surge suppressor minimizes effect of voltage spikes from incoming electrical service

Upright Cabinet Construction:

• Minimum 5 in. (128mm) high-density, foames-in-place urethane insulation is closed-cell and CFC-free to protect product against high-ambient conditions
• Five shelves (four adjustable) create five interior compartments
• High-impact plastic inner doors feature magnetic latches
• CryoLatch™ door latch provides one-handed operation for easier access to inventory and two locking methods for maximum security
• Insulated outer door prevents condensation
• Double door gaskets minimize frost build-up
• Access port is 1 in. (25mm) in diameter
• Heavy-duty swivel casters with two leveling feet
• Rounded interior corners, scratch-resistant painted interior and exterior surface allow for easy cleaning

Chest Cabinet Construction:

• Low-profile design allows for easier access to inventory
• Minimum 5 in (128mm) high-density, foamed-in-place urethane insulation is closed-cell and CFC-free to protect product against high-ambient conditions
• Keyed lid lock for security (3 cu.ft. model includes provision for padlock)
• Insulated sub-lids minimize exposure during lid openings
• Heavy-duty, counterbalanced lid
• Counterbalanced lid seals reduce frost
• Access poer is 1 in. (25mm) in diameter
• Heavy-duty swivel casters
• Rounded interior corners, scratch-resistant painted interior and exterior surface allow for easy cleaning

Refrigeration System:

• High-performance, hermetically sealed (1-HP) compressor(s) One for -40ºC/-45ºC models; Two for -85ºC models
• Downfeed evaporator provides optimally efficient refrigerant flow
• Timed evaporator flushing cycle and sequenced compressor starting require less energy and extend compressor life
• CFC-free refrigerants
• Sound-absorbing insulation