Comparison
Comparision LTTS Induction Lamp Metal Halide High Pressure Sodium High Pressure Mercury
Warranty 5 years 1 year 1 year 1 year
Lifespan >60000 hrs 6000-20000 hrs 24000 hrs 3000-6000 hrs
Energy saving Performance Excellent Poor Poor Very Poor
Efficiency 75-85lm/W 75-90lm/W 90lm/W 43lm/W
CRI Ra: 75-85 Ra: 65-90 Ra: 60 Ra: 45
Lamp Operating Temperature < 80°C > 300°C > 350°C > 300°C
Color Temperature 2700-7000K 4000K 2200K 3300-4300K
Color Temperature Stability Yes No Yes Yes
System Power 200W 200W 200W 200W
System 210W System 224W System 230W System 230W
Power Factor > 0.98 0.43 0.43 0.43
Output Stability Yes No No No
Re-Strike Instant Not Not Not
Flicker None Much Much Much
Glare None Much Much Much
Environmental Safety No Liquid Mercury* Contains Mercury Contains Mercury Contains Mercury
No lamp waste in 10 years Concern with much lamp Concern with much lamp Concern with much lamp
  waste over 10 years waste over 10 years waste over 10 years

Notice: Notice: LTTS induction lamps do contain mercury, but it is in a solid amalgam form thus if there is accidental breakage, it is easily recovered without polluting the area where the lamp was broken. The solid mercury amalgam is also easily recovered and recycled at end of lamp life.

Lumen Maintenance

Lumen Maintenance

Case Study CASE STUDY in LTTS INDUCTION LIGHTING
Comparison Item Old Lighting System New Lighting System
Light Source HPS LTTS Induction Lamp
Wattage 250W(per lamp) 150W ( per lamp )
No. of Fixtures 548 Sets
548 Sets
Luminous Efficacy Low Efficacy, severe
luminous Decline, Poor CRI
High Efficacy, Low Luminous
Decline
Excellent CRI
Life Hours

8000 hrs, (1 year@24
hrs/Day)
(Change 548 Bulbs
Every Year)
100,000 hrs. (10 years @ 24
hrs/Day)
( Chang ZERO bulbs for 5
Years )
Electric Cost

USD 7,253/month
USD 87,035/year
USD 4,231/month
USD 50,771/year
Maintenance Charges
USD 5,641/year USD 0/year
Total Cost
USD 92,677/year USD 50,771/year
Electric Bill Saving
USD 41,906
Energy Saving
50,005 kW*h/month
600,060 kW*h/year
39,171 kW*h/month
350,052 kW*h/year
Total Energy Saving 250,008kW*h/year
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Main Products: Induction lamp, Electrodeless lamp 
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