This simple wall, or in some cases, flowmeter mounted instrument provides an analogue output proportional to flow. Three basic models are available offering 0/4 to 20 milliamp, 0 to 5 volt and 0 to 10 volt outputs. In all cases the offset and full scale adjustments are independent of each other.
Radio wave weapon knocks out drone swarms
Probably. A radio-controlled drone cannot be completely shielded to RF, else you´d lose the ability to control it. The fibre optical cable removes...