About: http://webisa.webdatacommons.org/377956156

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Typically, loop powered devices such as sensors, transducers, transmitters, isolators, and indicators use a 1-5 mA, 4-20 mA or 10-50 mA current loop, in which a single, twisted-pair cable powers the module and carries the output signal.
http://www.w3.org/ns/prov#wasQuotedFrom	globalspec.com