Candlepower Distribution Curves (cd/1000 lm—candelas per 1000 lumens)

180º

150º

 

 

 

 

 

120º

 

 

A-A

 

 

B-B

 

 

50 cd

100 cd

90º

 

 

 

60º

30º

 

 

A

B

 

 

 

C

C

 

A

B

 

 

 

 

210º

180º

150º

 

 

 

 

 

C

C

 

 

240º

 

 

 

 

 

120º

 

C

 

 

 

C

 

270º

100 cd

50 cd

 

50 cd

100 cd

90º

300º

 

 

 

 

 

60º

 

 

330º

30º

 

 

LOW PRESSURE SODIUM LAMPS (SOX-E AND SOX)

Warm-Up Characteristics

Effects of Input Voltage Variations

 

 

Percent of Nominal

220

200

180

160

140

120

100

80

60

40

20

0

0

2

4

6

8

10

12

14

16

 

 

 

 

 

 

 

LampVolts

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Lamp Current

 

 

 

 

 

 

 

Minutes – Warm-up Time

 

 

Lamp Watts

 

 

 

 

 

 

 

 

 

 

 

Light Output

 

 

 

 

 

 

 

 

 

 

150

 

140

 

130

 

120

 

110

Percent

100

90

 

 

80

70

60

50

90

95

100

105

110

 

 

 

 

LampVolts

 

 

 

 

 

 

 

 

 

 

Lamp Current

 

 

 

 

 

 

Percent of LineVolts

 

 

Lamp Watts

 

 

 

 

 

 

 

 

Light Output

 

 

 

 

 

 

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Philips manual LOW Pressure Sodium Lamps SOX-E and SOX

SOX, SOX-E specifications

The Philips SOX-E and SOX are advanced lighting technologies that have garnered attention for their effectiveness in various applications, particularly in street lighting and industrial settings. These high-pressure sodium lamps are designed to provide superior illumination while being energy efficient and environmentally friendly.

One of the main features of the Philips SOX-E and SOX series is their high luminous efficacy. These lamps convert a significant amount of electrical energy into visible light, which means they require less energy to produce the same amount of illumination compared to traditional incandescent lamps. This efficiency translates into lower energy bills and reduced carbon footprints for municipalities and businesses alike.

Another characteristic of the SOX-E and SOX lamps is their long lifespan. With an operational life that can exceed 16,000 hours, these lamps reduce the frequency of replacements and the associated maintenance costs. This longevity is particularly beneficial in hard-to-reach areas, where changing lamps can be both time-consuming and costly.

The SOX series also benefits from a unique spectral quality. They produce a distinctive warm yellow light that is ideal for outdoor applications, as it enhances visibility while minimizing light pollution. This soft light reduces glare, making it a popular choice for street lighting, where it creates a safer environment for pedestrians and drivers alike.

In terms of technology, the SOX-E models are designed with advanced materials that improve thermal stability and performance. These lamps utilize a specially developed blend of gas and phosphors to enhance light output and efficiency. The incorporation of innovative design features, such as improved arc tubes, helps to optimize performance and ensure reliability throughout the lifespan of the lamp.

Additionally, the Philips SOX-E and SOX series are compliant with various environmental standards, making them a responsible choice for sustainable lighting. Their design minimizes harmful emissions and uses recyclable materials, aligning with global initiatives for greener infrastructure.

Overall, the Philips SOX-E and SOX series represent a significant advancement in lighting technology, offering high efficiency, long life, and excellent light quality. Whether for street lighting or industrial applications, these lamps provide a practical and sustainable solution to the ever-growing demand for effective illumination.