Induction Lamps vs. H.I.D. Lamps

Comparison

Induction

Metal Halide

High Pressure Sodium

Warranty

Compact: 5 years

None

None

Life Hours

Compact: 60,000 Separate: 100,000

6,000~20,000

24,000

Energy Saving Efficiency

Excellent

Lower

Lower

Lumen Efficacy

Photopic Efficacy: 150 Plm/W (Plm: Pupil Lumen) Traditional Efficacy: 80 Lm/W

Photopic Efficacy: 110 Plm/W (Plm: Pupil Lumen) Traditional Efficacy: 75 Lm/W

Photopic Efficacy: 90 Plm/W (Plm: Pupil Lumen) Traditional Efficacy: 120 Lm/W

Lumen Depreciation

Rate %

5% @ 2,000 Hours

40% @ 2,000 Hours

30% @ 2,000 Hours

Lamp Operating

Temperature

Lower, <80°F Reduces

A/C cost

Higher, >300° F Increased

A/C cost

Higher, >350° F Increased

A/C cost

CRI

>80 (Ra)

65~80 (Ra)

60 (Ra)

Re-strike

Instant

Needs up to 10~15 minutes

Needs up to 10~15 minutes

Flicker

None

Much

Much

Glare

None

Much

Much

Environmental Safety

Low mercury No lamp

waste in 10 years

Contains mercury

Concern with much

lamp waste over 10 years

Contains mercury

Concern with much

lamp waste over 10 years