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The Memmert VO49 vacuum oven features advanced temperature and pressure control, providing optimal conditions for precise drying processes. With a temperature range of 20 to 200 °C and a vacuum range of 5 to 1100 mbar, it is equipped with TwinDISPLAY for intuitive operation. The 49-liter stainless steel interior is highly corrosion-resistant, ensuring durability and cleanliness. Additional features include digital pressure control, programmable parameters, and comprehensive safety measures, making the VO49 ideal for laboratory and industrial applications.
| Specification | Details |
|---|---|
| Setting accuracy temperature | up to 99.9 °C: 0.1 / from 100 °C: 0.5 |
| Setting temperature range | 20 to 200 °C |
| Temperature sensor | temperature measured through 4-wire Pt100 sensor individually for each thermoshelf |
| Working temperature range | min. 5°C above ambient up to 200°C |
| Vacuum range | 5 to 1100 mbar |
| Pressure control | Digital electronic pressure control for a speed-controlled vacuum pump. Tubing for vacuum, air and inert gas are made of material 1.4571 (ASTM 316 Ti). Programmable, digitally controlled inlet for air. |
| Permitted final vacuum | 0.01 mbar |
| Maximum leakage rate | 0.01 bar/h |
| Pump control | speed control, optimised rinsing procedures for the pump membranes as well as signal output for pump ON/OFF |
| Connection | Vacuum connection with small flange DN16, and gas inlet with fresh air supply |
| adjustable parameters | temperature (Celsius or Fahrenheit), pressure (vacuum), programme time, time zones, summertime/wintertime |
| Language setting | German, English, Spanish, French, Polish, Czech, Hungarian, Italian |
| ControlCOCKPIT | TwinDISPLAY. Adaptive multifunctional digital PID-microprocessor controller with 2 high-definition TFT-colour displays. |
| Timer | Digital backwards counter with target time setting, adjustable from 1 minute to 99 days |
| Function SetpointWAIT | the process time does not start until the set temperature is reached |
| Interface | Ethernet LAN, USB |
| 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 |
| Temperature control | mechanical temperature limiter TB, protection class 1 according to DIN 12880 to switch off the heating approx. 10°C above nominal temperature |
| AutoSAFETY | additionally integrated over- and undertemperature protection “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, compressor in case of undertemperature |
| Autodiagnostic system | integral fault diagnostics for temperature control |
| Alarm | visual and acoustic |
| VO direct heating | fuzzy-supported MLC (Multi-Level-Controlling) microprocessor controller adapting its performance to the volume (local temperature sensing) for each thermoshelf |
| Thermoshelves | 2 connections for thermoshelves in the rear (1st and 3rd level) |
| Works calibration certificate | for 160°C at 20 mbar pressure for each supplied thermoshelf together with the vacuum oven |
| Internals | 1 thermoshelf of aluminim, material 3.3547 (ASTM B209) with integrated large-area heating |
| Material | Hermetically welded stainless steel interior of extremely corrosion-resistant stainless steel, material 1.4404 |
| Interior | additional interior mountings of stainless steel, material 1.4404 (removable for cleaning), consisting of mounting at the sides with guide bars for thermoshelves and on top (diffusor) to avoid turbulences when aerating |
| Volume | 49 l |
| Dimensions (interior) | w(A) x h(B) x d(C): 385 x 385 x 330 mm |
| Max. number of internals | 2 |
| Max. loading of chamber | 60 kg |
| Max. loading per internal | 20 kg |
| Door | full-sight glass door, inside spring-loaded, 15 mm thick glazed panel in safety glass, outside with anti-splitter screen |
| Dimensions (exterior) | w(D) x h(E) x d(F): 550 x 687 x 480 mm (d 38mm door handle) |
| Housing | rear zinc-plated steel |
| Voltage | Electrical load (maximally equipped) at 230 V, 50/60 Hz |
| Ambient temperature | 5 °C to 40 °C |
| Set Up | The distance between the wall and the rear of the chamber must be at least 15 cm. The clearance from the ceiling must not be less than 20 cm and the side clearance from the wall must not be less than 8 cm. |
| Humidity rh | max. 80 %, non-condensing |
| Overvoltage category | II |
| Pollution degree | 2 |
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