Assertion: lamp | /r/HasProperty | lumen
Facets:
Source sentences:
text: The ratio of the light output of a lamp (lumens) to its active power (watts), expressed as lumens per watt (LPW).
text: The ratio of the light output of a lamp (lumens) to its active power (watts), expressed as lumens per watt.
text: The ratio of the light output of a lamp (lumens) to its active power (watts), expressed as lumens per watt.
text: The ratio of the light output of a lamp (lumens) to its active power (watts), expressed as lumens per watt.
text: The ratio of the light output of a lamp (lumens) to its active power (watts), expressed as lumens per watt (LPW).
text: The ratio of the light output of a lamp (lumens) to its active power (watts), expressed as lumens per watt (LPW).