Universal Oven UN55plus

The universally applicable lab oven U is Memmert’s classic appliance for temperature control in science, research and material tests in the industry. The technologically perfected masterpiece made of high-quality, hygienic, easy-to-clean stainless steel leaves nothing to be desired in terms of ventilation and control technology, overtemperature protection and precisely tuned heating technology. On this page, you can find all the essential technical data on the universal Memmert lab oven. Our customer relations team will be pleased to help if you want further information.

 

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Temperature Specs:

  • Temperature: 2 Pt100 sensors Class A in 4-wire-circuit, mutually monitoring and taking over the performance at the same temperature value
  • Set temperature range: min. 5°C above ambient up to +300°C
  • Resolution of display for setpoint values 0.1°C up to 99.9°C, 0.5°C from 100°C and for actual values
    0.1°C (LED)

Safety:

  • Temperature control: overtemperature monitor TWW, protection class 3.1 or adjustable temperature limiter TWB, protection class 2, selectable on display and mechanical temperature limiter TB, protection class 1 according to DIN 12880 to switch off the heating approx. 20°C above nominal temperature
  • AutoSAFETY: additionally integrated over- and undertemperature monitor “ASF”, automatically following the setpoint
    value at a preset tolerance range, alarm in case of over- or undertemperature, heating is switched off
    in case of overtemperature
  • Auto diagnostic system: for fault analysis

Electrical data

115 Volts
  • (+ / – 10%)
  • 50/60 Hz / 14.8 amps
230 Volts
  • (+ / – 10%)
  • 50/60 Hz / 8.7 amps

  • Stainless Steel Interior:

    • Volume Approx: 1.9 ft³ / 53 L
    • Width: 15.7 in / 400 mm
    • Height: 15.7 in / 400 mm
    • Depth: 13.0 in / 330 mm
    • Number of Stainless Steel Grids (Standard Equipment): 1
    • Maximum Number of Grids: 4
    • Maximum Loading per Grid: 66 lb / 30 kg
    • Maximum Loading of Chamber: 176 lb / 80 kg

    Stainless Steel

    For many years exterior textured stainless steel has been the unmistakable feature of Memmert ovens, incubators, and climate chambers in laboratory and light-industrial settings. Memmert equipment exemplifies functional design in its most elegant and hygienic form, while still being scratch resistant, robust and durable.

    Stainless steel is the ideal material for temperature control chambers and heating baths. It is particularly corrosion-resistant, hygienic, robust and recyclable without question.

    Wherever Memmert ovens and heating baths are used, the superiority of high-quality stainless steel is undeniable in comparison to others that utilize coated sheet steel, which can corrode very quickly when in constant use.

    For the outer housing of all Memmert appliances, textured stainless steel is used (rear walls are zinc-plated sheets). The inner chamber, sliding shelves/grids, housing, interior basin and accessories for every heating bath, stainless steel of class W-St. 1.4301 (ASTM 304) is used. Since aggressive substances are frequently used in the vacuum drying oven, the inner chamber and thermoshelves are made of stainless-steel W-St. 1.4404 (ASTM 316L), and the tubing is made of stainless-steel W-St. 1.4571 (ASTM 316i).

 

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