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VO29 Memmert Vacuum Ovens

Former Models: VO200


Vacuum Oven VO29
Digital pressure control ensures rapid and gentle vacuum drying, its speed-controlled vacuum pump (accessory) saves around 70% energy. The direct contact between the load and the heatable and removable thermoshelves in the chamber of the Memmert vacuum oven VO29 ensures rapid and uniform temperature.
*Pump module PMP29 and stand pictured to the right are sold separately.


Stainless Steel Scratch resistant, hygienic and durable.
AtmoCONTROL Create & monitor programs.
3 Year Warranty A limited 3 year warranty is included with the option to purchase an extra year.
TwinDISPLAY Twice the features of SingleDISPLAY. Monitor programs easily via Ethernet or USB.

Temperature & Humidity

Control technology

Safety, Standards, & Data

Interior & Exterior


Temperature & Humidity

Temperature Specs:

  • Temperature measured through 4-wire Pt100 sensor individually for each thermoshelf
  • Working Temperature Range: min. 5°C above ambient up +200°C
  • Setting temperature range: 0.1°C

Pressure Specs:

  • Vacuum range: 5 to 1100 mbar
  • Pressure control: Digital electronic pressure control for a speed-controlled vacuum pump. Tubing for vacuum and air 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, optimized rinsing procedures for the pump membranes as well as signal for pump ON/OFF
  • Connection: Vacuum connection with small flange DN16, and gas inlet with small flange DN16

Control technology

Control Technology:

  • Adjustable Parameters: Temperature (Celsius or Fahrenheit), pressure (vacuum), timer
  • Language Setting: German, English, Spanish, French, Polish, Czech, Hungarian
  • ControlCOCKPIT: Adaptive multifunctional digital PID-microprocessor controller with 2 high-definition TFT-color displays.
  • Timer: 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

Safety & Standards


  • 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
  • Auto diagnostic system: Integral fault diagnostics for temperature and humidity control
  • Alarm: visual and acoustic

Additional data

Electrical data

230 Volts
  • (± 10%)
  • 50/60 Hz
  • approx. 1.7 A @ 230 V


CE Mark of European Economic Area VDE certified Geprufte Sicherheit certified CMET Certified CUL Certified EAC Certified

Interior & Exterior

Stainless Steel Interior:

  • Material: hermetically welded stainless 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 thermoshleves and on top (diffusor) to avoid turbulence when aerating
  • Volume: 29 I
  • Dimensions: w x h x d : 15.2” x 12” x 9.8”
  • Max. number of internals: 2
  • Max. loading of chamber: 40 kg
  • Max. loading per internal: 20 kg

Stainless Steel

For many years exterior textured stainless steel has been the unmistakable feature of Memmert ovens, incubators, and climate chambers in laboratory and light-industrial settings. Memmert equipment exemplifies functional design in its most elegant and hygienic form, while still being scratch resistant, robust and durable.

Stainless steel is the ideal material for temperature control chambers and heating baths. It is particularly corrosion-resistant, hygienic, robust and recyclable without question.

Wherever Memmert ovens and heating baths are used, the superiority of high-quality stainless steel is undeniable in comparison to others that utilize coated sheet steel, which can corrode very quickly when in constant use.

For the outer housing of all Memmert appliances, textured stainless steel is used (rear walls are zinc-plated sheets). The inner chamber, sliding shelves/grids, housing, interior basin and accessories for every heating bath, stainless steel of class W-St. 1.4301 (ASTM 304) is used. Since aggressive substances are frequently used in the vacuum drying oven, the inner chamber and thermoshelves are made of stainless-steel W-St. 1.4404 (ASTM 316L), and the tubing is made of stainless-steel W-St. 1.4571 (ASTM 316i).



Model sizes2949101
Additional thermoshelves – aluminium eloxadised material W.-St. 3.3547 (ASTM B209) with integrated large-area heating including local temperature sensing (Pt100, 4-wire-circuit), individual overtemp. protection for each shelf MLOP (Multi-Level-Overtemperature-Control) and calibration certificate B00741 B00743 B00744
Additional thermoshelves – stainless steel material 1.4404 (ASTM 316 L) for especially corrosive material with integrated large-area heating including local temperature sensing (Pt100, 4-wire-circuit), individual overtemp. protection for each shelf MLOP (Multi-Level-Overtemperature-Control) and calibration certificate B00733 B00734 B00735
Subframe, tubular steel, black enamelled (for stacking unit consisting of vacuum oven and pump module, total height: 1650 mm, see "further data" and sketch of oven dimensions) E02030 E02031 E02037
Works calibration certificate for 3 temperatures: +50 °C, +100 °C, +160 °C at 20 mbar pressure. Price per thermoshelf D00115 D00115 D00115
Guarantee extension by 1 year GA2Q5 GA2Q5 GA2Q5
Noise-insulated vacuum pump module without pump (exterior dimensions and -material No. s. vacuum oven) with antivibration metal plate at the bottom to accommodate the vacuum pump, incl. full-sight glass door. Socket, signal cable and connecting hose to the vacuum oven PM29 PM49 PM101
Noise-insulated vacuum pump module, as above, however with built-in pump, 230 V, 50/60 Hz PM29 PM49 PM101
Signal cable (3 m) for control of roation speed and optimising pump performance by demand-controlled activation of purge of Memmert pump (not required with pump module) B39410 B39410 B39410
Vacuum connecting hose (3 m) from oven to Memmert pump incl. optimised connection accessories (partially stainless steel) B04026 B04026 B04026
Vacuum pump with chemically resistant 4x diaphragm, pump capacity at atm. pressures: approx. 50 Nl./min = 3,0 m3/h and autom. purge control. Order No. B39410 and B04026 necessary. 230 V, 50 Hz. Max. guarantee period 2 years E07509 E07509 E07509
USB-Ethernet adapter E06192 E06192 E06192
Ethernet connection cable 5 m for computer interface E06189 E06189 E06189
FDA conforming software AtmoCONTROL (FDA edition). Meets the requirements for the use of electronically stored data sets and electronic signatures as laid down in Regulation 21 CFR Part 11 of the US Food and Drug Administration (FDA). Base licence for the control of one unit. Respective IQ/OQ documents available in German and English language (without surcharge) FDAQ1 FDAQ1 FDAQ1
IQ document with device-specific works test data, OQ/PQ check list as support for validation by customer D00124 D00124 D00124
Integration of one additional unit (up to max. 31 units) into an already existent FDA-software licence FDAQ2 FDAQ2 FDAQ2
IQ/OQ document with device-specific works test data for one free-selectable temperature and vacuum value, incl. temperature distribution survey at Memmert for 5 measuring points per thermoshelf to DIN 12880:2007-05. PQ check list as support for validation by customer valid for one thermoshelf; dito further thermoshelves, price on demand. D00117 D00117 D00117
On-site IQ/OQ for a freely selectable temperature and pressure value of a thermoshelf, including temperature distribution survey for 5 measuring points to DIN 12880: 2007-05 (excluding travel costs, not subject to discount, GER, AT, FR only) DLQ106 DLQ106 DLQ106
Extension of DLQ106 by an additional freely selectable temperature and pressure value (each thermoshelf) (not subject to discount) DLQ106A DLQ106A DLQ106A
Extension of DLQ106 by a further thermoshelf for a freely selectable temperature and pressure value (not subject to discount) DLQ106T DLQ106T DLQ106T
Individual on-site Performance Qualification (PQ) DLQ200 DLQ200 DLQ200
Maintenance VO - carrying out and documentation according to Memmert maintenance plan (excluding travel costs, not subject to discount, GER, AT, FR only) S00320 S00320 S00320
Maintenance contract VO - carrying out and documentation according to Memmert maintenance plan, minimum duration 3 years (excluding travel costs, not subject to discount, GER, AT, FR only) S00320J S00320J S00320J
Calibration of one freely selectable temperature value (excluding travel costs, not subject to discount, GER, AT, FR only) S00205 S00205 S00205
Calibration of an additional temperature value (not subject to discount) S00215 S00215 S00215
Calibration of one freely selectable temperature and pressure value (excluding travel costs, not subject to discount, GER, AT, FR only) S00212 S00212 S00212
Calibration of an additional temperature and pressure value (not subject to discount) S00218 S00218 S00218


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