ohmintervall
The term "ohmintervall" appears to be a portmanteau, likely combining "Ohm" with "intervall." The "Ohm" refers to the unit of electrical resistance, named after Georg Simon Ohm. An "intervall" is a period of time between two events or a range of values.
Therefore, "ohmintervall" could potentially refer to a duration during which a specific range of electrical resistance