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Vacuum

Vacuum Oven 49L

Product Code: MMTV049

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Overview

Gentle, powerful, energy-saving: Vacuum drying oven VO

Reliable, comfortable and energy-efficient - that’s how vacuum drying works today. Separately adjustable and directly heated thermoshelves ensure precise temperature control and, thanks to the digital pressure control, the chamber load is not only dried at high speed but also extremely gently in our powerful and robust vacuum drying oven. Together with the speed-controlled vacuum pump, the vacuum oven VO forms an unbeatably energy-efficient duo. The pump is perfectly tidied away in the matching base cabinet.

  • Temperature range up to +200 °C

  • Vacuum control range: 5 to 1100 mbar

  • Three model sizes (29 to 101 litres volume)

  • One model variant: TwinDISPLAY

  • Anti-splinter; VDE-tested door construction for all models

  • Pump control: Optimised rinsing of the pump membrane as well as signal output for switching the pump ON/OFF according to requirements.

  • Optional: Pump base cabinet and energy-efficient vacuum pump

Significantly reduced heating-up and processing times in the vacuum drying oven

When vacuum drying large quantities of powder or granulate, the vacuum cycles, which Memmert is the only manufacturer worldwide to offer, come into play perfectly: Two vacuum values can be set, between which the pressure is oscillated under controlled conditions. This way, a large amount of dry air is admitted within a short time, which absorbs humidity and is immediately extracted by the vacuum pump.

Climate-friendly accessories: Vacuum pump saves around 70 % energy

The spectrum for vacuum drying in a Memmert vacuum oven VO ranges from foodstuffs to cosmetics, granulate, watches, books, printed circuit boards, to electronic components or injection moulds.

Due to the low final vacuum of the speed-controlled, chemical-resistant vacuum pump of up to 2 mbar - the aforementioned is possible.

The demand-oriented pump control ensures a significantly longer service life for the membranes. The energy-saving potential is particularly impressive compared to an uncontrolled vacuum pump. With representative measurements in ramp operation, energy consumption was around 70 % lower, and even better values were achieved with a constant vacuum value.

The speed-controlled Memmert vacuum pump is automatically detected by every vacuum drying oven VO. In the event that another vacuum pump or a central vacuum supply is connected, the vacuum is controlled via solenoid valves.

Uniquely precise: The Memmert VO direct heating system

Multi-Level-Heating & Sensing: intelligent direct heating via individually placeable thermoshelves with separate sensors guarantees short heating and process times in the Memmert vacuum drying oven. The control circuits react precisely to different loads or humidity and maintain a constant set temperature during vacuum drying. Thanks to the direct contact between the heating and the load, practically no heat loss occurs. Each thermoshelf can be individually calibrated.

A Memmert vacuum drying oven offers unique advantages

  • User-friendly, intuitive operating concept

  • Nearly exclusive use of high-quality, rust-resistant and easy to clean stainless steel for interior and exterior housing

  • Precise and homogenous temperature control thanks to a product-specific heating concept

  • A wide range of options for programming and documentation using interfaces, integrated data loggers and the AtmoCONTROL software

  • Three years guarantee worldwide

Technical Specifications
Supplier Memmert

VO49

Standard delivery Vacuum oven

The direct contact between the load and the heatable and removable thermoshelves in the chamber of the Memmert vacuum oven VO ensures rapid and uniform temperature control of food, cosmetics, watches, books, PCBs or injection moulds, without the loss of heat.

On this page, you can find all the essential technical data on our vacuum drying oven. Our customer relations team will be pleased to help if you want further information. If you should require a customised special solution, please contact our technical specialists at info@labsupply.co.nz 

Sketch Vacuum oven VO49 

Temperature

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

Pressure (Vacuum)

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

Control technology

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

Communication

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

Safety

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

Heating concept

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)

Standard equipment

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

Stainless steel interior

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 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

Textured stainless steel casing

Door full-sight glass door, inside spring-loaded, 15 mm thick glazed panel in safety glass, outside with anti-splitter screen
Dimensions w(D) x h(E) x d(F): 550 x 687 x 480 mm (d +38mm door handle)
Housing rear zinc-plated steel

Electrical data

Voltage Electrical load (maximally equipped) at 230 V, 50/60 Hz

Ambient conditions

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

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 w x h x d: 670 x 890 x 630 mm
Net weight approx. 83 kg
Gross weight carton approx. 104 kg
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