Liquid Dosing Unit
PETKUS offers two different measurement types for liquid dosing in seed treatment: loss-in-weight and magnetic-inductive flow measurement.
Core Technology
- Dosing capacity can be individualized by pump type
- Operator safety as no contact to seed treatments are necessary
- Residue-free emptying by design
Main features
LIW - Loss in weight
LIW weighing is a variant of gravimetric dosing. In differential dosing, the entire dosing system is weighed on high-precision load cells and the liquid is pumped into the coating machine via peristaltic pumps. The difference in weight corresponds to the application rate.
Dosing volumes from 1-180 ml/s can be supplied.
MID - Magnetic-inductive flow measurement
The liquid is dosed through a magnetic field, generating an electrical voltage that is measured. The flow rate corresponds to the application rate which is dosed into the coating machine.
Suitable liquids (conductive): Water, acids & alkalis e.g., insecticide, fungicide, polymers
Unsuitiable liquids (non-conductive): distilled water, oils and fuels, pure alcohols and solvents e.g., oil-based binders
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