Glossary
Characteristic curve
What is Characteristic curve?
The relationship between a measuring signal and the displayed value, for example between resistance and tank level or between voltage and state of charge.
What matters about Characteristic curve in practice?
If the curve does not match the sender, the gauge will reliably show the wrong value. Devices with a freely definable curve solve this: you record two or more reference points, empty and full, and the device interpolates between them.
For irregularly shaped tanks, the curve is also the conversion from height to volume. Without it, the gauge shows a height in percent, not a content in litres.
Related terms
Still unclear?
We are happy to explain it for your specific case.