Laboratory freezer Versafreeze VF 20085 C

for sample storagechest1-door

Product overview
LAUDA Versafreeze ultra-low-temperature chest freezer designed for secure long-term storage of biological samples and other temperature-sensitive materials. The standard integrated accumulator maintains display of actual temperature and alarm functions for up to 35 hours during power failure. Locking systems 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 vacuum insulation for long-term storage and quality assurance
• Password-protected user management to prevent unauthorized changes to setpoints
• Interior fully made of stainless steel
• IIoT-ready via Ethernet interface and RS-485 for data transfer
• Energy-saving, maintenance-free refrigeration with fully hermetic high-performance compressors
• Additional insulating cover plates over the usable space to increase thermal efficiency
• Comfortable touchscreen control unit with digital display for entering and recalling safety-relevant values
• Electronic alarm system and potential-free contact for connection to a central alarm or building management system; battery backup maintains display and alarms up to approx. 35 hours
• Built-in data logger for storing temperature and alarm data
• Cooling coils blown into the sides ensure direct cold transfer from all sides, fast freezing and uniform temperature distribution
• Vacuum insulation provides more storage space with reduced footprint
• Magnetic sealing system prevents door/lid seals from freezing
• Two 13 mm lead-throughs for insertion of control sensors (e.g. Pt100)

Working range

• Min. working temperature: -86 °C
• Max. working temperature: -50 °C

Technical specifications

• Model: Versafreeze VF 20085 C
• Working temperature range: -86 ... -50 °C
• Temperature stability: 3 ± K
• Ambient temperature range: 15 ... 28 °C
• Usable volume: 205 L
• Interior dimensions (W×D×H): 790 x 520 x 500 mm
• Overall dimensions (W×D×H): 960 x 790 x 1130 mm
• Weight: 210 kg
• Cool down time: 20 °C to -86 °C in 3 h
• Thawing time: -86 °C to 0 °C in 11 h
• Power supply: 230 V; 50 Hz
• Power plug: Schuko (EU) + adapters: BS 1363 (UK) and SEV 5934/2, T23 (Switzerland)