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Memmert UN55plus Natural Convection Oven 53L, 115V

NewMemmertFurnacesUnited States

€3,014.59excl. VAT

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Internal Volume
53 L (1.9 cu. ft.)
Working Temperature Range
At least 5°C above ambient temperature to +300°C
Setting Temperature Range
+20°C to +300°C
Setting Temperature Accuracy
Up to 99.9°C: 0.1 / from 100°C: 0.5
Temperature Sensor
2 Pt100 sensors DIN Class A in 4-wire-circuit for mutual monitoring, taking over functions in case of an error
All 27 specifications
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Specifications 27

Brands
Memmert
New/Used
New
Internal Volume
53 L (1.9 cu. ft.)
Working Temperature Range
At least 5°C above ambient temperature to +300°C
Setting Temperature Range
+20°C to +300°C
Setting Temperature Accuracy
Up to 99.9°C: 0.1 / from 100°C: 0.5
Temperature Sensor
2 Pt100 sensors DIN Class A in 4-wire-circuit for mutual monitoring, taking over functions in case of an error
Control Panel
TwinDISPLAY. Adaptive multifunctional digital PID-microprocessor controller with 2 high-definition TFT-color displays
Timer
Digital backwards counter with target time setting, adjustable from 1 minute to 99 days
Calibration
Three freely selectable temperature values
Adjustable Parameters
Temperature (Celsius or Fahrenheit), air flap position, timer
Convection
Natural convection
Fresh Air
Admixture of pre-heated fresh air by electronically adjustable air flap
Temperature Control
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
Alarm
Visual and acoustic
Door
Fully insulated stainless steel door with 2-point locking (compression door lock)
Shelving
1 stainless steel grid, electropolished
Works Calibration Certificate
Calibration at +160°C
Interior
Easy-to-clean interior, made of stainless steel, reinforced by deep drawn ribbing with integrated and protected large-area heating on four sides
Max. Number of Shelves
4
Max. Loading of Chamber
176 lbs. (80 kg)
Max. Loading per Shelf
44 lbs. (20 kg)
Interior Dimensions (W x H x D)
15.7 in. x 15.7 in. x 13 in. (40 cm x 40 cm x 33 cm)
External Dimensions (W x H x D)
23 in. x 30.9 in. x 20.2 in. (58.4 cm x 78.5 cm x 51.3 cm) (d +2.2 in. door handle)
Net Weight
126 lbs. (57.2 kg)
Electrical Load
115 V, 50/60 Hz, approx. 1700 W

Product description

Precision natural convection oven with 53L capacity, ideal for diverse lab needs.

Memmert UN55plus Natural Convection Oven 53L, 115V Setting Temperature Range +20°C to +300°C Convection Type Natural Convection Chamber Volume 53L Features

  • 53-liter chamber volume accommodates various sample sizes, enhancing lab versatility
  • Precise temperature control from +5°C above ambient to 300°C for sensitive applications
  • Ergonomic PID controller with high-definition TFT display for intuitive adjustments
  • Durable stainless steel interior and exterior, corrosion-resistant for rigorous use
  • Natural convection ensures uniform heat distribution for delicate samples
  • Pre-heated fresh air admixture with adjustable air flap for temperature uniformity
  • Adaptive settings include programmable temperature, timer, and setpoint wait for workflow optimization
  • AtmoCONTROL software for data logging and remote monitoring via Ethernet
  • Easy-to-clean stainless steel interior with reinforced ribbing, ideal for frequent use

The Memmert UN55plus Natural Convection Oven 53L, 115V offers exceptional precision and control for a wide range of laboratory applications. With a working temperature range from +20°C to +300°C, this oven ensures stable and uniform heating, ideal for sensitive sample preparation and material testing. Equipped with TwinDISPLAY, a state-of-the-art dual high-definition TFT-color display, the oven provides intuitive control of temperature, time, and air flap settings. The natural convection system guarantees gentle airflow and uniform heat distribution, making it perfect for delicate samples that require a stable environment. The oven’s interior, crafted from easy-to-clean stainless steel, is reinforced with deep ribbing for durability and even heat distribution.

Safety and efficiency are core features of the Memmert UN55plus. It comes with 2 Pt100 sensors for precise temperature monitoring and dual overtemperature protection through an integrated mechanical and electronic system. The oven's AutoSAFETY feature adjusts the heating performance to maintain accuracy, while its SetpointWAIT function ensures that processes only begin once the desired temperature is achieved. Additionally, its programmable digital timer, with adjustable settings ranging from 1 minute to 99 days, offers workflow flexibility. With a 53L capacity, robust design, and advanced programming options, this oven is a reliable choice for laboratories focused on consistent, safe, and high-quality results.INCLUDED: TheMemmert UN55plus Natural Convection Oven 53L, 115V includes:

  • 1 Stainless Steel Grid
  • Tilt Protection Wall Bracket
  • Calibration Certificate
  • Power Cord
  • Operator's Manual
  • Manufacturer's Documentation
  • 3 Year Manufacturer's Warranty

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Frequently asked questions

How long does laboratory equipment typically last?

With a service contract, ten to fifteen years is normal for most benchtop instruments. Detectors and pumps are the parts that wear first.

Can I get service for older equipment?

Yes. Every verified supplier states which service partners cover the instrument, and we list that alongside the offer.

Where can I buy parts?

Ask a scientist through the request button. Parts are often available even when the instrument itself is discontinued.

What is the typical lead time for refurbished equipment?

Two to six weeks, depending on refurbishment scope and whether calibration is included.

Does laboratory equipment ship internationally?

We ship to 38 countries. Crating and customs handling are quoted with the instrument.

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Last updated 19 October 2026