Statements (51)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
Light source
Gas discharge lamp |
| gptkbp:advantage |
Long life
High efficiency Poor color rendering Low operating cost |
| gptkbp:application |
Street lighting
Industrial lighting Outdoor lighting |
| gptkbp:colorRenderingIndex |
Low
|
| gptkbp:contains |
gptkb:Mercury
gptkb:Xenon Electrodes Alumina arc tube Arc tube Outer glass envelope Sodium amalgam |
| gptkbp:effect |
Up to 150 lumens per watt
|
| gptkbp:emits |
Infrared radiation
Visible light Yellow-orange light |
| gptkbp:hasColorTemperature |
2000 K
|
| https://www.w3.org/2000/01/rdf-schema#label |
High-pressure sodium lamp
|
| gptkbp:introducedIn |
1964
|
| gptkbp:inventedBy |
gptkb:General_Electric
|
| gptkbp:lifespan |
12,000 to 24,000 hours
|
| gptkbp:marketedAs |
gptkb:Philips
gptkb:Sylvania gptkb:Osram |
| gptkbp:operates |
AC power
High voltage |
| gptkbp:operatesIn |
High pressure
|
| gptkbp:operatingSystem |
300 to 1300 °C
|
| gptkbp:replacedBy |
gptkb:Low-pressure_sodium_lamp
gptkb:LED |
| gptkbp:requires |
gptkb:Ignitor
gptkb:Ballast |
| gptkbp:shape |
Tubular
|
| gptkbp:type |
gptkb:High-intensity_discharge_lamp
|
| gptkbp:usedFor |
Security lighting
Floodlighting Roadway lighting Sports lighting Warehouse lighting |
| gptkbp:usedIn |
Horticulture
Tunnel lighting Parking lot lighting |
| gptkbp:uses |
High pressure
Sodium vapor |
| gptkbp:bfsParent |
gptkb:Sodium_Vapor_Lamp
|
| gptkbp:bfsLayer |
8
|