About: http://webisa.webdatacommons.org/179342935

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	The period of time between measurements (calibration and/or subsequent delay measurement) can be fixed, at a value such as 10 ms to 128 ms in one embodiment, or can vary depending upon the design and characteristics of the device.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com