Memmert Universal Oven Um UN260mplus

Memmert Universal Oven UN260mplus – High-Precision Heating Oven with TwinDISPLAY and Natural Convection

The Memmert Universal Oven Um UN260mplus is a premium-grade universal oven specifically designed for laboratories and medical environments requiring accurate and consistent thermal processing. As a Class I certified medical device, this oven is equipped with advanced features, including natural convection, the TwinDISPLAY control system, and dual Pt100 sensors for safety and precision. With a spacious 256-liter chamber, the UN260mplus is ideal for high-capacity drying, sterilizing, or heating applications where uniform temperature control is critical.

Features

• TwinDISPLAY PID microprocessor controller with two high-definition TFT color displays

• HeatBALANCE function for precise distribution between upper and lower heating elements

• Dual Pt100 sensors for mutual monitoring and error fallback

• Electronically controlled fresh air intake with air flap adjustment

• SetpointWAIT function ensures process accuracy by starting timing only when the set temperature is reached

• AtmoCONTROL software (via USB or Ethernet) for easy programming and data management

Applications

• Sterilization of medical and dental instruments

• Controlled drying of powders, plastics, and sensitive chemicals

• Conditioning and aging of material samples in industrial quality control

• Thermal processing in pharmaceutical and cosmetic production

• Baking, curing, or hardening of components in R&D laboratories

• Safe temperature testing in electronics and automotive sectors

Specifications

• Working temperature range: +20 °C to +300 °C

• Temperature setting accuracy: 0.1 °C up to 99.9 °C, 0.5 °C from 100 °C

• Temperature sensor: 2 x Pt100 DIN Class A (4-wire circuit)

• Chamber volume: 256 liters

• Interior dimensions: 640 x 800 x 500 mm (W x H x D)

• Maximum chamber load: 300 kg

• Maximum load per shelf: 20 kg

• Included shelves: 2 electropolished stainless steel grids

• Maximum number of shelves: 9

Control and Ventilation

• Controller: Adaptive PID digital controller with TwinDISPLAY interface

• Timer: 1 minute to 99 days (digital countdown)

• HeatBALANCE: ±50% distribution control between upper and lower heating circuits

• Fresh air: Electronically adjustable pre-heated air inlet

• Vent: Rear vent with restrictor flap

• Adjustable parameters: Temperature (°C/°F), air flap position, fan speed, program duration, timezone, daylight saving settings

Safety and Communication

• Temperature protection:

  • Mechanical limiter TB (DIN 12880 Class 1)

  • Overtemperature monitor TWW (Class 3.1) or TWB (Class 2, selectable)

• AutoSAFETY: Monitors setpoint with auto cutoff and alarm

• Alarms: Visual and acoustic

• Self-diagnostics: Integrated fault detection and analysis

• Programming: AtmoCONTROL software on USB stick, supports USB and Ethernet connections

• Memory backup: Retains program settings during power outages

Construction and Packaging

• Interior: Corrosion-resistant, easy-to-clean stainless steel with integrated four-side heating

• Exterior: Textured stainless steel front with zinc-plated steel rear

• Door: Fully insulated with 2-point compression locking mechanism

• Electrical supply:

  • 230 V, 50/60 Hz, approx. 3400 W

  • 115 V, 50/60 Hz, approx. 1800 W

• Installation clearances:

  • Rear: ≥15 cm

  • Ceiling: ≥20 cm

  • Sides: ≥5 cm

• Maximum installation altitude: 2000 meters

• Ambient conditions:

  • Temperature: +5 °C to +40 °C

  • Humidity: Max. 80% RH, non-condensing

  • Overvoltage category: II

  • Pollution degree: 2

Packing and Transport Details

• Transport orientation: Upright

• Net weight: Approx. 110 kg

• Gross weight: Approx. 161 kg

• Package dimensions: 930 x 1380 x 930 mm

• Country of origin: Germany

• Customs tariff number: 8419 8998

• WEEE Registration No.: DE 66812464

The Memmert UN260mplus combines generous chamber capacity with exceptional temperature control, making it a powerful and dependable solution for laboratories and production environments requiring precision, reliability, and compliance with international safety standards.