Natural Convection Lab Oven, UN55, 53 L, ESMC, Memmert, Germany

Universal Lab Oven, UN Series, 53 L, Memmert, Germany 
  • Model: UN55
  • Volume: 53 L
  • Manufacturer: Memmert
  • Country of Origin: Federal Republic of Germany

Natural Drying Cabinet, UN55, 53 L.

The Memmert UN55 natural convection lab oven has a capacity of 1.9 Cu Ft (53 L) with a temperature range of Ambient +5° to 300°C and comes with a single digital display controller. Memmert UN series natural convection heating and drying ovens offer 300°C maximum temperatures with digital control. These ovens have universal applicability to heating and drying applications in industry, science and research institutes and combine top precision and safety with optimal operating comfort.

The Memmert  UN55  drying cabinet   with natural air circulation is designed for heat treatment: testing materials, aging computer chips, performing complex experiments, drying or tempering electronic components All cabinets are made of high quality stainless steel. Drying cabinets

Memmert UN  – with natural ventilation are equipped with a  SingleDISPLAY controller  and have the following basic equipment:

  • Temperature range 30-300°С, but not lower than ambient temperature plus 5°С.
  • Electronic PID process controller with self-diagnostic system for faster troubleshooting.
  • Touchpad to navigate between settings
  • Motorized air damper with 0-100% opening adjustment for air exchange
  • Programmable timer up to 99 days 23 hours
  • TFT color display for displaying set and actual temperature, air damper opening degree, process time and menu settings.
  • Mechanical temperature limiter (TV, class 1).
  • Optical alarm indicator.
  • Platinum temperature sensor PT100.
  • Ethernet port on the rear panel for logging the drying process
  • Built-in logging system

The main features of Memmert laboratory ovens, UN55, 53 L:

  • The new ControlCOCKPIT controller has 2 versions SingleDISPLAY or TwinDISPLAY, a touch control panel and displays for temperature, humidity, fan speed, ventilation damper opening degree, interior lighting degree, overheat protection settings and real-time process graphs.
  • Speed ​​up the drying process due to increased airflow due to oversized inlets and outlets
  • Fan speed and motorized damper position are controlled by the ControlCOCKPIT on all Memmert equipment
  • Sending notifications about abnormal situations by e-mail using the AtmoCONTROL software or by SMS notification (option)
  • All new generation devices come standard with an Ethernet communication interface
  • Devices with TwinDISPLAY control panel are equipped with a USB port as standard
  • Using high quality stainless steel
  • Heating from 4 sides for more uniform temperature distribution and heating of samples inside the chamber
  • Improved thermal insulation and an optimized heating system have increased the heating rate by up to 30%
  • The special design of the door handle allows you to open / close the door with almost any part of the body, in case your hands are busy
  • Possibility to change the opening side of the door without the involvement of certified specialists
  • New intuitive AtmoCONTROL PC software for programming and process documentation
  • Built-in timer from 1 min to 99 days 23 h
  • HeatBALANCE technology that allows you to adjust the distribution of power between the upper and lower parts of the heating
  • Natural convection
  • Stainless steel interior
  • Digital PID-microprocessor controller with a high-definition TFT-color display
  • Timer: Digital backwards counter with target time setting, adjustable from 1 minute to 99 days
  • Adjustable Parameters: temperature (Celsius or Fahrenheit), air flap position, program time, time zones, daylight savings time
  • Function SetpointWAIT: the process time does not start until the set temperature is reached
  • Language Setting: German, English, Spanish, and French
  • Calibration: three freely selectable temperature values
  • 3 year warranty

Technical Specifications:

Volume approx. 1.9 Cu Ft (53 L)
Temperature range +5°C above ambient temperature to +300°C
Setting temperature range +20° to +300°C
Setting accuracy °C up to 99.9: 0.1 / from 100: 0.5


SingleDISPLAY: TFT color touchscreen, manage data, save log files, monitor up to 32 devices online, automatic alarms emailed

Interfaces Ethernet


Textured stainless steel, rear zinc-plated steel, TFT color display with touchscreen, fully insulated stainless steel door


Stainless steel (ASTM 304) with all-round deep-drawn ribs to integrate the large-area heating with ceramic-metal sheath

Fresh air Admixture of pre-heated fresh air by electronically adjustable air flap
Chamber Dimensions (W x H x D) 15.7 x 15.7 x 13 inches (400 x 400 x 330 mm)
Maximum number of grids/shelves 4 (2 included)
Maximum loading per grid/shelf 44 lbs (20 kg)
Maximum loading of chamber 176 lbs (80 kg)
Maximum loading per slide-in drip tray 3.3 lbs (1.5 kg)
Maximum loading per bottom drip tray 3.3 lbs (1.5 kg)
Exterior Dimensions (W x H x D) 23 x 30.9 x 20.2 inches (585 x 784 x 514 mm)
Standard works calibration certificate (measuring point chamber center) °C +160
Electrical 115 V, 50/60 Hz, 1700 Watts (230 V available)
Net weight approx. 127.9 lbs (58 kg)
Gross weight (packed in carton) approx. 167.6 lbs (76 kg)
Shipping Dimensions (W x H x D) 28.7 x 37.4 x 26.4 inches (730 x 950 x 670 mm)

Images are reference only. Actual product may be different.

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Natural Convection Oven, UN55, 53 L
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