back to top
| technology > instrumentation > level switch > conductive |
download articleConductive Measuring Technology
Conductive Measuring Technology
| The shift point is determined by means of an electric current which flows through a conductive liquid between the probe and the container wall. |
| To this end, an alternating voltage is applied between the probe and the container wall, or between two probes. When the conductive liquid reaches the probe tip(s), a small alternating current flows and triggers the shift function in the electronics. |
Conductivity of liquids
| Organic compounds |
| Food |
| Acids/ alkalis |
| Water |
| Ammonia |
| Honey |
| Yoghurt |
| Mustard, ketchup |
| Citric acid |
| Distilled water |
| Minimum conductivities wich are required for perfect measurement |
| Carbon dioxide 0,1% |
| Butyric acid 10% |
| Sulphuric acid 95% |
| Hydrochloric acid 35% |
| Drinking/river water |
| Seawater |
| All compactly instrumented sensors (Liquipoint T, FTW360) All separately instrumented sensors connected to FTW325 All separately instrumented sensors connected to FTW **** |
| Sugar, petrol, alcohol fat, protein, oil, etc. |
For more information: Endress+Hauser GmbH
companies