Biogas Batch Fermentation System BBFS-18

Basic Elements BBFS-18

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Data Acquisition Software »RIGAMO«

Type: RIGAMO-V3.x

  • Improves the measurement accuracy of MilliGascounters from ±3% to better than ±1% across the whole flow rate range by algorithm using individual calibration data


Software Features

  • Windows software ( XP / Vista / 7 / 8 / 10 ) for data acquisition of gas volume and flow rate from up to 24 RITTER Gas Meters to a PC USB port.
    Please note: RIGAMO can only be started once at a time on a single PC
  • Graphical and tabular display of measurement data
  • Storing of data
  • Export of stored data to Microsoft Excel®
  • Automatic correction of the dynamic measurement error (flow rate dependent) only with MGC
  • No support of bi-directional recognition of measuring drum rotation with Pulse Generator V4.01
  • »RIGAMO« is designed to run on a single PC with only one Digital Input Module »DIM« 92

Please note the System Requirements listed below***

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MilliGascounter MGC-1 PMMA

Type: MGC-1 PMMA / Material: Casing PMMA, measurement cell PVDF

  • Measuring range: 1 ml/h to 1 ltr/h
  • Measuring accuracy: ±3% across the whole flow rate range (better ±1% with »RIGAMO« software by dynamic correction of measurement errors)
  • Including individual calibration certificate
  • Volume measurement cell: 3 ml
  • Equipment: Digital display, 200 ml packing liquid, 1.5 m connection tube, cleaning tool,
    syringe and bubble level (1 piece each for up to max. 5 pc.)
  • Resolution (= min. measurement increment): 3ml
  • Max. operating temperature 60 °C
  • Max. overpressure: 100 mbar
PMMA / PVDF Dimensions ø 96 mm x H 112 mm Weight 468 g

For a detailed description see RITTER MilliGascounters and data sheet »MilliGascounter MGC-1 PMMA«.

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PMMA Fermentation Bottle with Stirring device

Feature highlights
  • Absolute gas-tight by magnetic coupling between stirring motor and stirring blade
  • Various bottle sizes: 0.5 / 1 / 2 ltr – custom sizes on request
  • High breaking strength by PMMA material (no fragile glass gas outlet nozzle)
  • Custom stirring blades available
Technical Data
  • Stirring speed adjustable from 1 to 30 r/min *
  • Interval stirring with adjustable interval times *
  • Suitable for media with low and high viscosity (≤ 450 mm²/sec)
  • Temperature range: 10 – 55 °C
  • Max. pressure: 100 mbar
  • Material fermentation bottle: PMMA crystal-clear
  • 2 connection ports: 1 x gas outlet, 1 x purging of heads space or sample taking, PVDF screw-type tube connection for tube Øi 4mm, Øo 6 mm

* with »RIGAMO« Software

Dimensions of Fermentation Bottles
0.5 ltr H 110 mm x D 105 mm Weight 0.95 kg
1.0 ltr H 190 mm x D 105 mm Weight 1.1 kg
2.0 ltr H 350 mm x D 105 mm Weight 1.4 kg
Dimensions of Stirring Blades
0.5 ltr W 73 mm x H 45 mm
1.0 ltr W 73 mm x H 125 mm
2.0 ltr W 73 mm x H 285 mm

Please remove the Stirring Unit from the PMMA Fermentation Bottle before cleaning the bottle. The Fermentation Bottles can be cleaned with commercially available cleaning products and are dishwasher safe (max. 60 °C / 140 °F). Please do not use: organic substances, benzene, ethanol, alcohol, any benzene-containing petrol/gasoline, any dilution of synthetic resin

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Components for CO2 Absorption (Option)

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CO2 Absorption Bottle

  • CO2 absorption rate better than 99%
  • CO2 absorption capacities: See »CO2 Absorption System«.
  • With unique dip pipe design and PVDF screw-type tube coupling
  • Including tubing to PMMA Fermentation Bottle and to MilliGascounter øi 4 mm / øo 6 mm
  • Volume 250 ml, ø D 95 mm x H 106 mm (overall dimensions ø D 95 mm x H 145 mm, weight 290 g)

For a detailed description see Data Sheet »CO2 Absorption Bottle«.

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More Options

Small Parts (always included)


V 4.0 / Rev. 2022-06-24 / Subject to alterations.