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Precise Dosing of Disinfectants to Combat Legionella

In water treatment, disinfectants used to combat Legionella must be precisely dosed and delivered to ventilation systems. This requires repeatable dosing of small quantities for multiple applications daily.

Solution
FMO 102 flow meter, FLUXTRONIC®, switching amplifier

Task

Pump a disinfectant for combating Legionella using a gear pump and precisely meter it using an integrated flow meter. The disinfectant is pumped into a ventilation system several times a day for recurring applications.

Requirements
  • Dosing accuracy ±10 ml 
  • Flow rate 5 l/h 
  • Repeatable dosing  
  • Multiple daily applications 
Solution in Detail

An FMO 102 oval wheel meter accurately measures the flow volume and controls dosing via the FLUXTRONIC® evaluation electronics. Two operating modes enable both continuous display and semi-automatic batch dosing of defined liquid volumes.

Precise volume measurement during the process

The FMO 102 oval wheel meter measures the volume of fluid passing through it regardless of the medium’s viscosity. This ensures consistent dosing accuracy for both low-viscosity and high-viscosity disinfectants.

Result

Precise dosing with high repeatability (±10 ml)

Flexible operating modes: Display or batch dosing

Reliable delivery of small quantities at a constant flow rate

Suitable for low- to high-viscosity fluids

Products used

Flow meters

For manual or semi-automatic filling of a wide variety of fluids

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