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  Fermentor       back
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    The MINIFOR fermenter/bioreactor was developed as a result of the need to construct a small laboratory fermentor for volumes from 0.035 to over 5 liters. Based on long personal practical experience of fermentations we wanted to create a fermentor, which was easy to use and with the capacity to measure and control all the important parameters of the biological culture. The fermentor had to take up minimum space on the bench but with good access to all parts. Several fermentors should when placed side by side be suitable for the optimization of the parameters of growth of culture or optimization of bio-transformations etc. Each fermentor should be able to work independently or be connected to a PC for advanced regulation and extensive data treatment
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Technical parameters :      
       
The LAMBDA MINIFOR fermentor/bioreactor is controlled by two microprocessors
Power: Mains 100-245 V AC/50-60Hz, 400W, CE conform
Dimensions: 22x40x38cm (WxDxH)
Display: LCD 4 x 40 digits with backlight illumination
Fermentor vessel glass with 5 to 8 side necks 0.2,5, 1, 2, 3 and 5 l
Temperature control IR radiation heat source with gilded reflector 150W
Regulation from 5°C over RT to 70°C
Measurement from 0 to 99.9°C in 0.1°C steps
Precision ± 0.2°C (0 to 60°C)
Sensor Pt 100 incorporated in the pH sensor
pH control sterilizable pH electrode (pH 0-13), with automatic
temperature correction, Variopin connector, two-point
semiautomatic calibration
Resolution 0.01 pH unit
Precision ± 0.02 pH unit
pO2 control sterilizable Clark type oxygen sensor with fast response,
reinforced Teflon membrane and automatic temperature correction, control through regulation of air flow rate,
Range 0 to 25 mg oxygen/l, in 0.1 mg/l steps
Air flow to 5 l/min. in 0.1 l/min. steps, mass flow meter, linearity
± 3%,
Control proportional valve
Supplied air pressure between 0.05 – 0.2 MPa
Agitation 40 W Vibromixer 0 to 20 Hz with 1 or more stirring discs
Sterility comparable to magnetic coupling
Selectable parameter an additional parameter can be controlled by the
  instrument (foaming control, pCO2, optical density,
conductivity, etc.)
Sampling ports up to 4 needles with Luer-Lock fittings can be used for
sampling and addition of correction solutions
Pumps  
Working temperature up to 4 independent peristaltic pumps (PRECIFLOW,
MULTIFLOW, HIFLOW or MAXIFLOW) with speed 
variation
from 0 to 100 % can be used with MINIFOR
Working relative Humidity 0 – 40 °C
Weight 7.5 kg
PC control complete PC control and data treatment using FNet or
SIAMfermentation software
 

 
 
 
 
 
 
 
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