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Vacuum ovens, VO series

Supplier: Memmert
Vacuum ovens which have corrosion resistant, stainless steel inner chambers and housing. Direct contact between the load and the heated, removable thermoshelves ensures rapid and equal heating without thermal loss. Each of the thermoshelves has a PT100 temperature sensor at the centre and a wide heated area as the heating elements are vulcanised onto the underside of the shelves. This gives excellent thermal transition, very fast heating up times and precise control. The control circuits react precisely to differences in load and humidity, ensuring all levels remain equally at the selected set temperature. Units feature an auto diagnostic system with fault indication. GLP/GMP compliance is assisted by the serial USB interface and Celsius software for control and documentation of temperature and pressure.

  • MLC (Multi-Level-Controlling) microprocessor controller adapts performance to the volume (local temperature sensing) for each thermoshelf. Actual temperature of each thermoshelf can be seen separately on digital display
  • Digital LED display for all set parameters and digital seven-day program timer with real time clock
  • Integrated timer for temperature and pressure (vacuum) profiles of up to 40 ramps, each segment adjustable from 1 min up to 999 h
  • Various protection features including digitally adjustable, microprocessor over-temperature controller TWW, maximum value for over-temperature, minimum value for under-temperature with audible and visual alarm and protection for each thermoshelf
  • Glass door, with a spring-loaded, 15 mm thick safety glass panel inside and a non splinter screen on the outside
Delivery information: Units supplied with pump control, one thermoshelf with two connectors and with a works calibration certificate (measurements taken at 160 °C and 50 mbar in the middle of the shelf). Additional accessories and factory fitted options are available on request, please enquire for further details.



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Basic VO models
Description Pk VWR Catalog Number Quantity
Vacuum oven, VO 200 1 466-5050
Vacuum oven, VO 400 1 466-5051
Vacuum oven, VO 500 1 466-5052

Gas inlet modules
Description Pk VWR Catalog Number Quantity
Inert gas inlet for VO 200 vacuum oven, programmable and digitally controlled, with flow rate reduction 1 466-0417
Inert gas inlet for VO 400 vacuum oven, programmable and digitally controlled, with flow rate reduction 1 466-0420
Inert gas inlet for VO 500 vacuum oven, programmable and digitally controlled, with flow rate reduction 1 466-0423

Premium modules
Description Pk VWR Catalog Number Quantity
Premium module for VO 200 vacuum oven, including inert gas inlet, pump control, printer interface, extra connector for thermoshelves, and drip tray 1 466-0416
Premium module for VO 400 vacuum oven, including inert gas inlet, pump control, printer interface, 2 extra connectors for thermoshelves, additional shelf, and drip tray 1 466-0419
Premium module for VO 500 vacuum oven, including inert gas inlet, pump control, printer interface, 2 extra connectors for thermoshelves, additional shelf, and drip tray 1 466-0422
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SPECIFICATIONS

Model VO 200 VO 400 VO 500
Temperature range (°C) 20...200
Capacity (l) 29 49 101
Shelves supplied (max.) 1 (3) 1 (4)
Max. load per shelf (kg) 20
Internal W×D×H (mm) 385×250×305 385×330×385 545×400×465
External W×D×H (mm) 550×400×600 550×480×680 710×550×760
Nominal power (W) 1200 2000 2400
Weight (kg) 58 82 120
Temperature variation (spatial) (°C) at 160 °C: <±2*
Temperature fluctuation (time) (°C) ≤±0,3

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