Memmert UN55plus Universal Natural Convection Lab Oven, 115V | 1.87 Cu. ft.
Item#: UN55Plus115VThe Memmert UN55plus 1.87 cu. ft. natural convection laboratory oven provides gentle, controlled heating for applications up to 300°C. TwinDISPLAY ControlCOCKPIT technology delivers precise PID temperature control with dual Pt100 sensors for monitoring and redundancy.
Natural convection supports heating without a circulation fan, which is useful for sensitive samples and powders. AtmoCONTROL programming, SetpointWAIT, AutoSAFETY protection, and visual and acoustic alarms support controlled laboratory processes.
$3,887.00
- Working temperature range: at least 5 (UN/UNplus/UNm/UNmplus) or 10 (UF/UFplus/UFm/UFmplus) above ambient temperature to +300 °C
- Setting accuracy temperature: up to 99.9 °C: 0.1 / from 100 °C: 0.5
- Setting temperature range: +20 to +300 °C
- Temperature sensor: 2 Pt100 sensors DIN Class A in 4-wire-circuit for mutual monitoring, taking over functions in case of an error
- Convection: natural convection
- Fresh air: Admixture of pre-heated fresh air by electronically adjustable air flap
- Vent: vent connection with restrictor flap
- Works calibration certificate: Calibration at +160°C
- Door: fully insulated stainless steel doors with 2-point locking (compression door lock)
- Internals: 1 stainless steel grid(s), electropolished
- Interior: easy-to-clean interior, made of stainless steel, reinforced by deep drawn ribbing with integrated and protected large-area heating on four sides
- Interior Dimensions (W x H x D): 15.75" x 15.75" x 12.99"
- Volume: 1.87 Cu.ft.
- Max. number of internals: 4
- Max. loading of chamber: 176.37 lbs.
- Max. loading per internal: 44 lbs.
- Textured stainless steel casing
- Dimensions (W x H x D): 23.03" x 17.09" x 30.87" (d +2.20" door handle)
- Housing: rear zinc-plated steel
- Voltage Electrical load: 115 V, 50/60 Hz approx. 1700 W (230V available)
- Set Up: The distance between the wall and the rear of the appliance must be at least 6". The clearance from the ceiling must not be less than 8" and the side clearance from walls or nearby appliances must not be less than 2".
- Altitude of installation: max. 2,000 m above sea level
- Ambient temperature: +5 °C to +40 °C
- Humidity rh: max. 80 %, non-condensing
- Overvoltage category: II
- Pollution degree: 2
- Transport information: The appliances must be transported upright
- Shipping Dimensions (including carton) (w x h x d): 28.74" x 37.40" x 26.38"
- Net weight: approx. 125.66 lbs.
- Shipping Gross weight (including carton): approx. 167.55 lbs.
- ControlCOCKPIT: 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
- Function HeatBALANCE: adapting the distribution of the heating performance of the upper and lower heating circuit from -50 % to +50 %
- Function SetpointWAIT: the process time does not start until the set temperature is reached
- Calibration: three freely selectable temperature values
- Adjustable Parameters: temperature (Celsius or Fahrenheit), fan speed, air flap position, program time, time zones, summertime/wintertime
- Documentation: program stored in case of power failure
- Programming: AtmoCONTROL software on a USB stick for programming, managing and transferring programs via Ethernet interface or USB port
- Temperature control: mechanical temperature limiter TB, protection class 1 according to DIN 12880 to switch off the heating approx. 20°C above nominal temperature
- Temperature control: overtemperature monitor TWW, protection class 3.1 or adjustable temperature limiter TWB, protection class 2, selectable on display
- AutoSAFETY: additionally integrated over- and under temperature monitor "ASF", automatically following the setpoint value at a preset tolerance range, alarm in case of over- or under temperature, heating is switched off in case of overtemperature
- Auto diagnostic system: for fault analysis
- Alarm: visual and acoustic
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