Hello everyone,
Thanks for the info!
Then in the extreme case at an input voltage Ue = 10V, with R2 = 20 Ohm, R1 Tank sensor = 40 Ohm, 167mA would flow... quite a
lot in my opinion.
With R1 = 283 Ohm, 33mA still flows.
In another forum, I was suggested 600 Ohm for R2, for example:
Tank sensor...