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OxiTop Control AN 6 Measuring System

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Clarkson Price: This item has been replaced by 209724
Clarkson Catalog Number: 208225
Manufacturer: WTW
Supplier Catalog Number: 208225
WTW 208225 and 208227 OxiTop Control AN Measuring System
Clarkson 208225 
OxiTop Control AN 6 Measuring System
WTW 208225 / VWR 80085-466 


Catalog Numbers Model Description
208225 * OxiTop® Control AN 6 6 x 1000 ml measuring units points for anaerobic measurements
208227 OxiTop® Control AN 12 12 x 250 ml measuring units points for anaerobic measurements

Technical Data

OC 110
Measuring range BSB standard and routine 0 to 4000 mg/l BSB
BSB special 0 to 400.000 mg/l BSB
Pressure 500 to 1350 hPa
Data sets (depending on measuring interval) 180 to 360 Datensätze per head
Measuring interval 0.5 h to 99 days
Measuring range 500 to 1350 hPa
Accuracy ±1 % v. Mw. ± 1hPa

OxiTop® Control meter for biogras measurement/microbiology (aerobic/anaerobic measuring)

  • Comfortable and accurate measurements of the biogas rate
  • Targeted manipulation possible due to special measuring bottles
  • Safety by warning pressure function
One of the main applications is the testing of fermentable substrates prior to use in biogas systems to estimate the gas yield. Anaerobic degradation processes are conducted without oxygen. In order to be able to fill the gas room with inert gas above the sample at the start of the test, the measuring bottle is equipped with lateral connection hubs. These connection hubs are sealed with septa, so that carbon dioxide can be removed from the gas room following the anearobic degradation by adding a CO2 absorber. The resulting pressure difference is proportional to the CO2 concentration, the remaining overpressure is proportional to the methane concentration.

The degradation process can be tracked timewise with the operating mode "pressure". The use of special measuring bottles with lateral connection hubs and septa seals allows the interference-free addition of substrates and solutions. As the methane gas production running under anaerobic processes leads to a pressure increase, the measuring range limits may be exceeded. For such cases, it is possible to indicate a "warning pressure" or pressure limit value, so that the user can manipulate the system.


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