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Alkaline electrolyser (AEL)

Level measurement in the alkaline electrolyser

Process data

Measuring task:
Level measurement
Measuring point:
Measuring range up to:
2 m
Potash lye with hydrogen or oxygen gas above
Process temperature:
0 … +90 °C
Process pressure:
0 … +1 bar
Special challenges:
Aggressive medium


In the electrolyser, renewable energy is used to split water (H2O) into its individual components hydrogen (H) and oxygen (O). Green hydrogen is thus produced in a CO2-free cycle. In the alkaline electrolyser, potash lye acts as the electrolyte, which is not consumed in the process. Oxygen is produced as a by-product. Level measurement is used to regulate both the concentration of electrolyte and the inflow of water.

Your benefit

Reliable measurement despite the aggressive potash lye
Cost effective
Precise level measurement for efficient regulation of the process
User friendly
Direct installation in the tank or in a bypass tube

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