The NIVA level controller MS 1 UL for use in North America, e.g. in:
The NIVA level controller MS 1 UL is engineered especially for use in sewage works and pumping stations in liquids heavily charged with solid matter such as raw sewage etc.
Thanks to the good chemical and thermal properties our level controllers are resistant to lees, uric acid, fecal sewage water, oils, petrol, diesel oil, emulsions, alcohol, fruit acids, and even many chemicals. For use at temperatures up to 60 °C (140 °F).