Cold box

B 35-85

The specialist for small-scale cooling in industrial and laboratory environments. Desktop appliance with a data logger and comprehensive monitoring options.

  • Temperature range : -85°C to -50°C
  • Capacity: 35 l


  • Outstanding use of interior space together with compact exterior dimensions thanks to vacuum insulation panels (VIP)
    - A significant improvement in energy efficiency compared to standard PU foam insulation
  • Extremely quiet cooling unit
  • Two-stage cascade cooling system for high performance and high safety
  • Microprocessor-controlled adjustment using a membrane keyboard
    - Clearly legible LED display
    - Protection against inadvertent activation
  • Maximum reliability thanks to an alarm system that is separate from the mains, with battery capacity for approx. 72 hours
    - Display of the maximum temperature reached in the interior area during the fault
    - Visual and acoustic alarm signal 
  • Interfaces
    - Potential-free contact with the connection to an external alarm system
    - RS485 interface 
    - 100 mV/K output for connecting a temperature recording system
  • High-grade stainless steel interior
  • Interior without fixtures enables easy cleaning and disinfection
  • Bushing (diameter 10mm), e.g. for temperature monitoring with external sensors
  • Lockable door latch with lever action
  • Insulation door with optimum sealing efficiency
    - Profiled construction, as a result no interior cover required
    - Magnetic seal with an additional sealing surface
    - Door frame heating
  • Stackable unit, max. 2 units

Technical data

Model B 35-85
Temperature range  -85°C to -50°C
Control accuracy  +/- 1 K
Capacity 35 litres
Interior [WxDxH] 42,5 x 30 x 28 cm
External dimensions [WxDxH] 58 x 76,5 x 54 cm
Weight  81 kg
Ambient temperature +12°C to +30°C
Electrical connection 230 V / 50 Hz




  • For 30 cryoboxes (133x133x53 mm)
  • Five drawers, each for six cryoboxes
  • Extra gaps for optimum, uniform and rapid cooling of all the refrigerated items

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