Thermo Scientific™ Dual-Safe -80°C Chest Freezers
On demand
Order number :
MBF700LSAO-E
Thermo Scientific™ Dual-Safe -80°C Chest Freezers
Rapidly freeze samples in a secure environment with Thermo Scientific™ Dual-Safe -80°C Chest Freezers, which feature a redundant cascade refrigeration systems.
Features
- Large capacity of over 32 cu. ft., a high cooling capacity and two independent refrigeration systems for critical samples
- Four 1.5hp air-cooled compressors for high capacity and maximum reliability
- Three modes of operation, including normal and accelerated pulldown, plus long-term storage
- Redundant controls in case of controller failure
Control System
- Keyed master power switch for operating security
- Independent refrigeration controls selectable for systems “A” and “B”
- Adjustable, integrated temperature control
- Toggle between display setpoint, actual operating temperature and alarm limits
- Independent adjustable cold and warm alarm setpoints with key-activated switch, audible warning and alarm silence button
- Power failure alarm with 24-hour battery back-up
- Indicator lights for all control and operational functions
- Standard 6 in. (15.2cm) circular chart recorder for permanent record of cabinet performance
- Battery meter for easy check of backup charge
Refrigeration System
- Two cascade systems operate separately or together depending on system loading.
- Thermal expansion valve increases refrigeration BTU removal capacity, increases temperature pulldown rate, improves temperature recovery following lid openings and warm product insertion, and automatically reacts to changing ambient temperatures.
- Gravity feed evaporator design assures temperature uniformity within chamber interior, enhances refrigerant flow and oil return, and increases overall efficiency.
- System includes CFC-free refrigerants.
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