Memmert SN450 Plus 电热灭菌箱449L

Set temperature range in °C min. 5°C above ambient up to +250°C

Temperature 2 Pt100 sensors Class A in 4-wire-circuit, mutually monitoring and taking over the performance at the same temperature value
Control technology

ControlCOCKPIT TwinDISPLAY. Adaptive multifunctional digital PID-microprocessor controller with 2 high-definition TFT-colour displays.
Language setting German, English, Spanish, French, Polish, Czech, Hungarian
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), air flap position, programme time, time zones, summertime/wintertime
Ventilation

Convection natural convection
Fresh air admixture adjustment of pre-heated fresh air admixture by air flap control in 10 % steps for each segment individually
Vent vent connection with restrictor flap
Communication

Documentation programme stored in case of power failure
Programming AtmoCONTROL software on a USB stick for programming, managing and transferring programmes via Ethernet interface or USB port
Safety

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 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
Autodiagnostic system for fault analysis
Alarm visual and acoustic
Standard equipment

Internals 2 stainless steel grid(s), electropolished
Works calibration certificate Calibration at +160°C
Door fully insulated stainless steel doors with 2-point locking (compression door lock), lockable
Stainless steel interior

Interior easy-to-clean interior,made of stainless steel, reinforced by deep drawn ribbing with integrated and protected large-area heating on four sides
Volume 449 l
Dimensions W x H x D in mm w(A) x h(B) x d(C): 1040 x 720 x 600 mm
Max. number of internals 8
Max. loading of chamber 300 kg
Max. loading per internal 30 kg
Textured stainless steel casing

Installation on lockable castors
Dimensions w(D) x h(E) x d(F): 1224 x 1247 x 784 mm
Housing rear zinc-plated steel
Electrical data

Voltage Electrical load 400 V, 3 phases, 50 Hz approx. 5800 W
Ambient conditions

Set Up The distance between the wall and the rear of the appliance must be at least 15 cm. The clearance from the ceiling must not be less than 20 cm and the side clearance from walls or nearby appliances must not be less than 5 cm.
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
Packing/shipping data

Transport information The appliances must be transported upright
Customs tariff number 8419 8998
Country of origin Federal Republic of Germany
WEEE-Reg.-No. DE 66812464
Dimensions approx incl. carton B x H x T: 1330 x 1440 x 1050 mm
Net weight approx. 161 kg
Gross weight carton approx. 227 kg

datasheet