Product descriptionLAUDA Versafreeze ultra-low chest freezer designed for secure long-term storage of biological, pharmaceutical and research samples. The integrated accumulator maintains the display of actual temperature and alarm functions for up to 35 hours in the event of a power failure. Locking options down to individual drawers and inner compartments protect high‑value and critical samples from tampering and unauthorized access.
Key features- Laboratory chest freezer with reliable monitoring and high-efficiency insulation for long-term storage and quality assurance
- Password-protected user management to prevent unauthorized access to setpoints
- Interior fully made of stainless steel
- IIoT-ready via a powerful Ethernet interface
- Energy-saving, low-maintenance refrigeration system with fully hermetic high-performance compressors
- Additional insulating cover plates over the usable space
- Comfortable touchscreen control unit with digital display for entering and retrieving safety-relevant values
- Electronic alarm system and potential-free contact for connection to building alarm or central control systems
- RS-485 interface for secure data transfer and built-in data logger for temperature and alarm records
- Environmentally friendly natural refrigerants
- Two lead-throughs Ø 13 mm for control sensor insertion (e.g. Pt100)
- Adjustable high/low temperature alarm limits
- Display and alarm functions maintained during power failure (battery backup)
- Cooling coils blown into the sides for direct cold transfer, high freezing speed and uniform temperature distribution
- Vacuum insulation to increase storage capacity with reduced footprint
- Magnetic sealing system to prevent lid/door seals from freezing
Working range- Min. working temperature: -40 °C
- Max. working temperature: 0 °C
Technical data (key values)- Working temperature range: -40 … 0 °C
- Temperature stability: 3 ± K
- Ambient temperature range: 15 … 28 °C
- Usable volume: 205 L
- Interior dimensions (WxDxH): 790 x 520 x 500 mm
- Overall dimensions (WxDxH): 960 x 790 x 1130 mm
- Weight: 188 kg
- Cool down time: from 20 °C to -40 °C in 3 h
- Thawing time: from -40 °C to 0 °C in 6 h
- Power supply: 230 V; 50 Hz (Schuko + adapters for UK and CH)
Accessories (examples)- Cryo-Box, 136 x 136 x 50 mm
- Cryo-Box, 136 x 136 x 75 mm
- Cryo-Box, 136 x 136 x 130 mm