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High-pressure sodium lamp
URI:
https://gptkb.org/entity/High-pressure_sodium_lamp
GPTKB entity
Statements (51)
Predicate
Object
gptkbp:instanceOf
gptkb:Light_source
gptkb: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
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
https://www.w3.org/2000/01/rdf-schema#label
High-pressure sodium lamp